Filtering botrytis affected Cannabis oil to remove spores/botrytis

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OCEAN24

OCEAN24

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This technique was posted by Gray Wolf on IC - I was wondering if anyone here had experience with it? He says to use a .2 and .45 micron syringe filter, what I am trying to do now is figure out which brand of syringe filter and what kind of filter can be used with Cannabis oil without compromising the gear..

Anyone who has experience with this your wisdom is appreciated! Got more botrytis affected material than I'd like to admit and its a good feeling knowing it can be salvaged.
 
OCEAN24

OCEAN24

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The original post;

Botrytis may produce the highly sought after Noble Rot that the wine makers hold dear, but it sucks when it comes to cannabis.

The question of what can you do with bud rotted material continues to come up and this year we were blessed with some mild bud rot on an outdoor plant, so we decided to see what could be done with the buds besides throwing them away.

Emboldened that while it tastes and smells badly, it is non toxic enough for the vintners to use grapes riddled with it, we decided to remove all the spores and fungus material, to see if that would eliminate the odor and taste, as well as the issues associated with smoking fungus.

We first dried the material at 200F until frangible and then passed it through a wire strainer to remove the stems and finely divide the material without pulverizing it. We then used butane to extract the cannabis oil, which still smelled and tasted of Botrytis.

Next we filtered some Everclear, by passing it through both a .45 and a .2 micron syringe filter and then dissolved the cannabis oil containing the Botrytis spores into it.

We then filtered the alcohol with the cannabis oil and Botrytis spores in it through a .45 micron syringe filter, which removed all of the spores, the smallest of which is 7 micron. It also takes out all bacteria, but sadly doesn’t catch the submicron virus.

After allowing the alcohol to flash off through evaporation, the cannabis oil was actually slightly denser than the parent material, and was Botrytis odor and taste free. It tested at about normal potency, so the process appears to works.

GW
 
LittleDabbie

LittleDabbie

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Ebay Luer Lock Filters

Those will lock onto a syringe so you can filter it out... otherwise u need a bunchner funnel and the Whatman filter paper..

Personally id go the syringe since the bunchners + flask is designed to pull a vac while it filters out the shit.
 
OCEAN24

OCEAN24

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Fuck yeah thanks for the replies! I also wanted to ask, since I am in CA and don't have access to true everclear what sort of alcohol should I use? I have heard of grape spirits or something like that being legal in CA but I don't know where to find it.

Thanks again! I should be able to post a pictorial of my process once all is said and done.
 
Trichs Rok

Trichs Rok

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Fuck yeah thanks for the replies! I also wanted to ask, since I am in CA and don't have access to true everclear what sort of alcohol should I use? I have heard of grape spirits or something like that being legal in CA but I don't know where to find it.

Thanks again! I should be able to post a pictorial of my process once all is said and done.

I lived in Cali for many years and have been on the East Side for almost 10 years. I am a microbiologist and toxicologist, to state my pedigree. I currently work as an environmental microbiologist. I'm very sorry, but you cannot get rid of the of toxins of Botrytis via ANY means. You can degrade it slightly (making it slightly less toxic), but if Botrytis is present, I'm sorry my man, you and your crop are toxic.

Botrytis has important toxins that will not degrade with any chemical process. Put it this way: as a toxicologist, if I knew Botrytis was in my weed, I'd be forced to to toss it. All. You cannot get out the THC and purify the fungal toxins away so it is consumable.

The common thought amongst us farmers is that if you find fungus in your crop, you simply chemical it away or burn it away. Yes, you do burn it away, but that happens in your lungs. ANY, I repeat, ANY, fungal contamination (save for a very select few I know of) cannot be safely consumed.

You can denature fungal contaminants with certain chemicals, but residuals (harmful ones!~) will still be present in your smoke. Tricothecanes are a prime example. Sorry to be so technical, but as a general rule of thumb, unless you have a degree in chemistry ( I do), you cannot use pot contaminated with fungus.

I'm anxious to hear any responses on this matter. I don't know everything, but I do know a lot, and what I do know tells me, if it has fungus at all, toss it!!! :(

D-Rok
 
Trichs Rok

Trichs Rok

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Whatman would be the brand you want.
Whatman is a filter manufacturer that is a dime a dozen. The brand will not be of assistance. The pore size of the filter is what you need to look for : sub .45 micron. Very hard to find that filter, trust me.
 
Trichs Rok

Trichs Rok

32
8
Ebay Luer Lock Filters

Those will lock onto a syringe so you can filter it out... otherwise u need a bunchner funnel and the Whatman filter paper..

Personally id go the syringe since the bunchners + flask is designed to pull a vac while it filters out the shit.


Properly spelled, Buchner funnels are like Michelin tires on a car. For this you need a distillation apparatus, and an HPLC separatory column. IM me if you don't know what HPLC means. Thanks! :)
 
OCEAN24

OCEAN24

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Botrytis isn't very toxic. They still make wine from grapes with botrytis, they filter it with a similar method. Gray Wolf says it's guchi and I trust his methods.
 
Trichs Rok

Trichs Rok

32
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Botrytis isn't very toxic. They still make wine from grapes with botrytis, they filter it with a similar method. Gray Wolf says it's guchi and I trust his methods.


Tomorrow at work I will look up (again) Botrytis from the Atlas of Clinical Fungi and let you know what it says. Just because some people (perhaps ignorant) "accept" fungal toxins in their product does not make it acceptable. Let me consult my texts first, then I will post final (world re-known) knowledge on this toxin. OK?
 
Trichs Rok

Trichs Rok

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Tomorrow at work I will look up (again) Botrytis from the Atlas of Clinical Fungi and let you know what it says. Just because some people (perhaps ignorant) "accept" fungal toxins in their product does not make it acceptable. Let me consult my texts first, then I will post final (world re-known) knowledge on this toxin. OK?

As for Botrytis being "not very toxic," from my base knowledge I know that to be incorrect. I would never ingest or give it to my children, if that says anything. Let the experts from the texts do the talking. If I'm wrong, I'm happy to say I'm wrong!
 
LittleDabbie

LittleDabbie

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Properly spelled, Buchner funnels are like Michelin tires on a car. For this you need a distillation apparatus, and an HPLC separatory column. IM me if you don't know what HPLC means. Thanks! :)

Oh so a buchner funnel is like a firestone if i spell it wrong? but i get it right its like a michelin? I get it :D thanks.
 
daub marley

daub marley

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Trichs Rok TY for the detailed response. Your experience in this area is exactly what this community needs. Can you elaborate as to which toxins are found in botrytis and powdery mildew? I think we all have had a sneaking suspicion that harmful toxin are produced, but we never had anyone with the background to confirm it. Lets settle this and get the word out.
 
Trichs Rok

Trichs Rok

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Oh so a buchner funnel is like a firestone if i spell it wrong? but i get it right its like a michelin? I get it :D thanks.

Pretty funny, LittleDabbie...got a chuckle from me on that one.

OK so I did some research today with multiple textbooks. It appears what I stated earlier was only half-correct, so I shall share what I learned. (Yes, I got it partially wrong, darn it!) Botrytis (for some weird reason) has never been included in the Atlas of Clinical Fungi, so I got the reference wrong. However, amongst several reviewed medical texts, The Compendium of Soil Fungi was the most comprehensive on this genus, and the "typical" and most common species represented is Botrytis cinerea.

Some comments:
1) An earlier poster stated that Botrytis is not very toxic, to which I replied, "Why, of course it's toxic!" (LOL). So I wanted to research, "Just HOW toxic is Botrytis?" Answer: Not very toxic when comparing only one spore to another spore of something like Aspergillus fumigatus, or Stachybotrys spp. (the latter makes your lungs bleed). However, one cannot know exactly how many spores are present in that infected cannabis oil or precious buds. A microscope with resolution or magnification to at least 600x is the minimum to "see" the spores and their relative abundance. Thus, just how toxic depends on how many spores. Since I work with fungal and bacterial cultures daily, take my word, by the time the growth is visible to the naked eye, there are usually thousands of spores seen under the scope, in say, a 1 cm round growth on the petri dish (called a fungal colony).
OK, so you're asking, after all that, what is bad about it? The simple answer is that some people are allergic to these spores, and fungi can still grow in your lungs even after filtration. Although not an M.D. or Immunologist, I am a Microbiologist and Medical Technologist so I have some immunology info in my brain. Let me try to explain why Botrytis can not only be bad, but possibly life-threatening. For whatever reason, if a person has a bad enough allergy to something, the first time they come into contact with it, the results can be a severe or even mild allergic reaction. The body says, "Oh, I didn't like that spore, just wait until I see it again, then WHAM - I'm going to smash it's head in! Teach it to mess with me!" So, the second time though, an allergic person's immune system comes into contact with that same allergen (say a Botrytis spore), the immune system goes into Godzilla-beast-mode and activates defenders (also called memory cells) to defend the body so quickly, that sadly, your throat can close and you can die (aka anaphylactic shock). A simplified version of course. Thus, as a general rule of thumb, if a person has ANY allergies at all, it is best they not consume weed with known fungal spores/toxins in it. "Not very toxic," refers to the fact that Botrytis isn't known for having really bad chemicals in it, compared to some other spores like mentioned above.

2) I am aware of the methods wine-makers use to filter out these spores. If you read ingredients on a bottle of wine, most contain sulfites - aka preservatives and conveniently, fungal-growth retardants. Butane extraction followed by .45ÎĽm filtration, then finally 0.2ÎĽm filtration. Sorry, "ÎĽm" means micrometer (aka micron,) or 1/1,ooo,oooth of a meter. They use that sill Metric system crap in science, so don't sue me, sue Science. It's very small. In the US, a typical doorknob height is about 1 meter from the floor, so that means you could fit 1 million spores from end-end if that spore was 1ÎĽm. Small, eh? Here's the problem that I discovered: Let's assume you do want to remove or kill every single Botrytis spore, like a cancer patient, for example. There are 2 kinds of spores produced by Botrytis, a large one called a conidia that is ovoid-elliptical in shape and measures 9-15ÎĽm long by 6.5-10ÎĽm wide. The 0.45ÎĽm filtration WILL remove all of these spores, and as a bonus, almost all known bacteria, too. Unless there are too many spores to begin with, and the filter clogs up (another topic, maybe later? LOL.) OK, onto the problem: Botrytis, to the naked eye, looks very similar if not identical to another fungi named Fusarium. There are other similar fungi, but I'll just use Fusarium for now. No use confusing everyone. Compared to Botrytis, Fusarium is very toxic, also infects crops, (yes, weed too), and without a scope, or many years of experience with the naked eye on culture plates comparing the two, the novice cannot tell the two apart. Fusarium just so happens to make a very toxic, much smaller spore (called microconidia) which measures...wait for it...bet you think I'm going to say it's smaller than 0.2ÎĽm, aren't you? If so, you get a gold star on the chalkboard. You're paying attention - good! Microconidia of Fusarium measure 1.5ÎĽm wide. Wait, what? Won't a 0.2ÎĽm filter catch even these small guys? Good catch! You are right. All intact spores of Botrytis and Fusarium will be removed by that 0.2ÎĽm filter. Problem solved, eh? Sorry, not so easy. In layman's terms, I tell my clients this analogy: Fungi are like trees: They both have roots, a trunk, branches, and then leaves. The spores would be the leaves. The problem is that fungi parts, especially the "branches parts" can break apart or fracture into smaller sizes than 0.2ÎĽm, and that fragment still has the ability to grow new fungi (like taking a clone - the clone can re-grow a whole new plant even though you only took a small part of the mother plant). It only takes a single tiny fragment of fungi pieces-parts to start growing in your lungs. If your immune system is good (not a baby, not real old, no cancer) and you don't have allergies, that's probably not taking a great risk - using the material after filtering at 0.2ÎĽm. Chances are slim you'd get sick from that fragment - our immune system should get rid of it if it did start growing in our lungs or anywhere in the air-way. By now, with all this technical crap, you're prolly thinking, "Dude-WTF then?" LOL. No worries, the answer comes right now. Had to do some 'esplaining ( I used to teach...).

3)Use acetone! Just put your gorgeous weed covered with that nasty wooly, greyish Weed-hatin' fungi into a glass jar, pour in enough acetone (from Home Depot or any paint store) to cover the weed, screw the lid on tight, (acetone can eat away at rubber, so prolly best not to get jars with rubber seals) then let sit at least 24 hours. Then, open a window, turn a fan on high and remove lid so the acetone vapors get blown out the window. Yes, you have to place the jar right in between the fan and the window, silly. Acetone smells and is HIGHLY flammable, so keep away from sparks or you'll end up like a novice meth-lab wanna-be who blew up his mama's house: burnt, dead, homeless, and ashamed, LOL. Plus, nosy neighbors close to your window will know something's up - it's a powerful odor. Eventually, the acetone will evaporate, leaving weed and fungi. Acetone doesn't remove fungi, but it does kill it - there are many studies done on acetone's ability to kill all parts of fungi, making it sterile and unable to grow. So, that pesky grow in your lungs problem is solved....but acetone won't help with the allergy problem. Many experts are divided on whether acetone extraction renders fungal spores/fragments not allergic anymore...sorry we don't have that answer.

You might be thinking, "Yo, fool,where's the filtration steps?" No filtration needed really, unless one is concerned about the allergic problem. Another VERY critical point is that spores are very easily dispersed into the air when you handle your weed. When I see fungal growth on mine, and yes, I did have to deal with Botrytis once, I make sure to disturb it as little as possible, get it acetoned ASAP, and only THEN will I handle the weed. Remember the little white flower you used to make a wish and blow on it, and all them little flower-lets go flying into the wind, carrying your childish fantasies to distant lands? A form of dandelion...but a good illustration of what happens to fungi spores when you handle your weed - them spores go flying! Get the weed into a sealed glass jar as gently as possible, and obviously, gently pour acetone over so as not to disturb spores. Man, aren't fungi-impregnated weed just like women? Us men have to behave as gently as possible during their menstrual period or else - feel the wrath! Sorry girls, just clowning around. Nobody wants period wrath, nor flying spores. Side Note: Ziploc bags are NOT air-tight! Nope, nope, nope...I never put weed in Ziploc's.

All jokes aside, last step: It just so happens to be that acetone is probably (by far) the chemical that removes the most THC from your plant, and is cheap and easy to get. See where I'm going with this? No, you can't take that weed after the acetone evaporates and smoke it...it'd be quite the buzz-kill. Might as well smoke a dandelion. :) You'll notice after awhile that your acetone has turned from clear to a nice green tint. THAT is where all your THC is now, not in the plant. So what I do is let the weed sit in acetone about a week, the longer the better, remove the weed and grind it up in a coffee-bean grinder, then pour the ground-up weed back into the acetone which as I said, will be a nice green color. Next, I use a coffee filter (the brown kind because I think the white ones are bleached paper, and I don't want bleach in my green potion), remove the plant material, and then evaporate the acetone, leaving something like hash. Whoa, what? Now he's saying hash? Yup, you got it. The safest way to consume fungi-contaminated weed is to turn it into hash/oil/residue...many names. It'll be very potent stuff, and usually kinda black and sticky when done. Now, I have to admit, since I'm a microbiologist, I also have a degree in chemistry, so I learned a lot in chemistry labs. Consequently, I gained the expertise to safely use heat to evaporate the acetone. But I do NOT recommend you try heat - acetone is TOO flammable and without practice with a know-it-all professor constantly looking at your lab apparatus while you heat away acetone (or other flammable solvents), it's too dangerous. Take an entry-level chemistry class with a lab section at your local community college before you try to heat acetone...PLEASE! You might not pass the class because science is hard, ummmkayyy, but getting an "A" isn't really why you are there, is it? I have the luxury of purchasing a lab-grade hot-plate that I can precisely control the temperature, and glassware that doesn't break when heated. The heat is VERY low, with constant fan blowing the vapors out the open window (I don't use my work for this, I'm not THAT stupid, LOL). I fill the glass about 1/3, then use just barely enough heat so that the liquid gently bubbles. I don't take my eyes off that jar while doing this - I went to college to earn enuff dough so I could buy a house to smoke weed in, and the last thing I want to do is blow it up! Plus prolly end up on bricks, jumping when the man says go. OK, back to it: When the liquid is almost gone, if I have remaining acetone, then I slowly keep adding the THC-laden acetone up to the 1/3 mark, let it evaporate down, and repeat until all my acetone is gone. Then I end up with a nice, black, sticky goo that, to put it scientifically, fucks you up, homey. 'Scuse my French, but it's very strong. I think (but am not positive so don't hate on me if I'm wrong on this) the black goo is way over 30% THC... the number of 45% just jumped into my head, but again, don't quote me on this %). You can STILL evaporate off all the acetone with a fan, but I know it'll take much, much longer. Since I haven't done the non-heat method in so long, I don't remember how long it'll take...depends on how much you have to process...maybe a day? Not sure how long, so if someone knows that answer (time vs. amount of acetone), be sure to reply to help us out. I do know it'll happen eventually, but I don't think it gets all black and gooey like with the heat; more green, I think. I'd have to research this one, or wait for one of our bright members on this site to enlighten us, LOL. Good to have a back-up method in case my hot-plate gets cold feet one day.

Well that's my novel for the day. As a scientist, I am used to peer-review (and stupid red ink on my exams!), so please feel free to reply with any mistakes I made or just comment cuz you liked my artickle. (Misspelling intended). Gotta have fun with it, or else, why do we giggle so much when we are high? Live long, laugh, and smoke in moderation, my good friends.
 
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OCEAN24

OCEAN24

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Ok yeah I didn't read that, don't have that long to invest in this reply. Can you please state in plain simple English, toxic or non-toxic? I also noticed you said "the spores can still germinate" - that's wrong the filters are small enough to filter out ALL spore material. The spores are gone, the botrytis virus is still there, but botrytis affects plants not mammals.. So no chance of it trying to colonize skin/lungs..
 
Trichs Rok

Trichs Rok

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Trichs Rok TY for the detailed response. Your experience in this area is exactly what this community needs. Can you elaborate as to which toxins are found in botrytis and powdery mildew? I think we all have had a sneaking suspicion that harmful toxin are produced, but we never had anyone with the background to confirm it. Lets settle this and get the word out.
daub marley TY for your kind words. Without texts to look up the correct answer as to the toxin names, I will respond (probably tomorrow evening after work) when I can look up the names of the toxins. I could do a Web search, but unless it's a peer-reviewed article, I'm dubious as to claims/statements made on certain sites. Interesting, and you are correct, that Botrytis is sometimes called powdery mildew - but there are other fungi that belong in the powdery mildew group - Fusarium is one that immediately comes to mind. More research needed - sorry I can't answer this question right away. I'll get back to you...
 
Trichs Rok

Trichs Rok

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Ok yeah I didn't read that, don't have that long to invest in this reply. Can you please state in plain simple English, toxic or non-toxic? I also noticed you said "the spores can still germinate" - that's wrong the filters are small enough to filter out ALL spore material. The spores are gone, the botrytis virus is still there, but botrytis affects plants not mammals.. So no chance of it trying to colonize skin/lungs..
Thanks for the comments, Ocean24. I will research your questions and respond definitively tomorrow after work. As far as the filter removing all spore material - fungi are known to break into pieces, (I see fungal fragments every day using what's called a spore-trap method, and these pieces will not be filtered out if smaller than 0.2um and that is how a sub-0.2um fragment can pass through filtration and possibly germinate (given adequate growth conditions). Additionally, Botrytis is a fungi belonging to the Ascomycete class (a bit of taxonomy), and as such, is not classified in any way as a virus. You are correct that Botrytis is opportunist plant saprophyte, but human infections can occur in the immunocompromised, or via a cut or open wound. It is considered an opportunistic pathogen for humans, and therefore, although unlikely due to low epidemiology reports, it can indeed colonize mammals. I will provide the exact toxins tomorrow. Excellent questions - thank you! :) You are helping me learn...and that only can be seen as positive, IMO. :)
 
OCEAN24

OCEAN24

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Excellent. I am glad you are here to make me double check myself before potentially poisoning my local community; I digress however that I consider Gray Wolf to be a distinguished voice of scientas in our community and if he isn't concerned by botrytis as a health hazard and if vintners worldwide also consider it benign enough to make wine out of with a little filtration then I can hardly consider myself up in arms about the idea.... If we are talking about a strain of mold that produces aflatoxins then yes we are in agreement that the material in question should be quarantined and destroyed..

Before we hit page two where things might get lost in the discussion; what brand of alcohol should I pursue in California that is at least equivalent in purity to everclear in other states?
 
daub marley

daub marley

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Graywolf is an awesome member. He knows a lot about almost everything, but its important to remember he is an engineer and his chemistry knowledge is limited in that respect. If I were to hire someone to answer the question "are there toxins produced by these mold types?" it would not be an engineer, it would be a microbiologist and toxicologist.

To my knowledge you cannot find alcohol above like 160 proof in cali. I think there is some brand called kleen and supposedly they sell 100% ethanol. Expose it to air for long enough and and it goes to 95%, so not sure that its any better but they sell to the extract makers crowd and ship most places. You can also buy a chemistry set with the ability to distill your own alcohol for like $100. With it you make your own or you can buy cheap store bought alcohol and get it to the high 80's to low 90's really easily.
 
Trichs Rok

Trichs Rok

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Excellent. I am glad you are here to make me double check myself before potentially poisoning my local community; I digress however that I consider Gray Wolf to be a distinguished voice of scientas in our community and if he isn't concerned by botrytis as a health hazard and if vintners worldwide also consider it benign enough to make wine out of with a little filtration then I can hardly consider myself up in arms about the idea.... If we are talking about a strain of mold that produces aflatoxins then yes we are in agreement that the material in question should be quarantined and destroyed..

Before we hit page two where things might get lost in the discussion; what brand of alcohol should I pursue in California that is at least equivalent in purity to everclear in other states?

First, I defer your question of alcohol solvent selection in Cali to the response given by daub marley. I lived in Cali for about 30 years before work brought me to the East Coast about 10 years ago (which I now highly regret leaving Cali as I have at least 2 confirmed diagnoses which indisputably qualifies me as MMJ patient). I first encountered Everclear at age 18 when I arrived at Ft. Polk, LA, as a newly-trained Army Medic. We made Jungle Juice using a bottle of Everclear in an ice chest mixed with KoolAid - and I've never seen so many people completely drunk on only 1 bottle of alcohol - that stuff might be too strong for us to drink. Great for extractions, not so great for military training. Regarding Botrytis, I've spent considerable effort researching literature, texts and citations, and I believe I reached a reasonable conclusion regarding this post, so I shall share those results shortly. In as plain of English as I can muster, if it pleases the court.

As a new member, obviously I do not know Gray Wolf, so I have no reason to comment on him nor his qualifications. However, I do quite seriously apologize to him and this entire forum if I have caused offense as none was intended towards the individual. My intent was to work through the science of the question at hand and come up with answers, and not to question an individual. I will take yours and daub marley's word that Gray Wolf is an esteemed member and since I now know he is an engineer (very impressive!!!), my respect for his abilities has dramatically increased. Any earned engineering degree requires an intelligent and motivated person. (Microbiology isn't that easy, either, LOL). Perhaps I could reach out to him and we could collaborate on projects together using each others' talents, who knows?

Anyway, on to the results: In medicine, the Hippocratic oath of "Do no harm," is often practiced to patients with the view of "Until we know for sure it is completely safe, we should assume it isn't safe." The opposite of our legal system: Until proven safe with extensive and conclusive research, often a chemical is regarded as guilty (of the possibility of causing harm) until it's known to be safe. That is the reason I initially questioned the wisdom of consuming a substance known to contain Botrytis, because I was aware then, and can hopefully demonstrate now, that Botrytis does cause disease in humans, but only in certain ones, such as:

1) Allergies. Some people are allergic to peanuts, some to shell-fish, and some to Botrytis. The severity of allergic responses vary with each individual and their immune system from a mild, seasonal hay-fever to as severe as death via anaphylactic shock (closing of airway). Yes, there are chemicals in Botrytis that some people just can't tolerate and hence the allergy. Arguably, one could call these chemicals "toxins" by definition if one is allergic to them. In short, the 2 allergens found in Botrytis are called glucans and chitin. (Exact names simplified). These aren't unique to Botrytis but are found in many bacteria and fungi.

2) The acceptable presence of Botrytis in wine-making: Several studies elucidated the hypothesis that during the fermentation process and interactions with the yeast most commonly used (Saccharomyces cerevisiae), these chitins and glucans are greatly reduced and degraded. That's about as simple as I can put it, and why it's allowed in wine.

3) After all this reading and studying, my opinion of Gray Wolf's methods of removing the fungal elements of Botrytis in the cannabis oil is excellent. I believe I was a bit hasty in my initial response, partly due to the guilty first mentality. My error here was assuming that most people don't know much about toxins so advice to steer clear was assuming without questioning. I shall temper this approach in the future. Realistically, I seriously doubt any portions of the fungi will be present in his finished, purified oil. Yet, I am still curious how it was determined to be fungal-free at the end. Was it tested using microscopy? In chemistry, there exist multiple methods to determine presence or absence of these allergens. Some are simple, cheap and quick, like putting a drop of oil on a microscope slide, adding a stain that turns chitin blue (called lacto-cotton blue, as shown in pic below) and visibly searching this preparation at a magnfication of 1,000 - 1,250x (called oil-immersion). Also, there are chemicals that make glucans fluoresce or glow, making them easy to see. There are both very simple and also very complicated analyzers and techniques to detect these guys. Simplified examples.

4) If the finished oil is allergen-free, I'd say it's been found to be safe for consumption. If these allergens are found, it could still probably be safely consumed by almost every user - but people with bad immune systems should not consume. Better safe than sorry as allergies may only be discovered after an allergic reaction. Definitely, don't give to children, the elderly, or those with impaired immune systems like in cancer.

5) Finally, as scientists are learning more about Botrytis as discussions like these come up, so people start digging and discovering more - adding to the body of work of science called Empirical evidence. As an example, the Mayo Clinic has recently started included testing for Botrytis allergies as one of the top 4 most common fungal-causing allergies! When doctors add a test, they believe it's needed, even as a screening method. This was done due to research raising more questions about how common are Botrytis allergies? The disease "wine-makers lung" has been known for many decades....but only recently did the possible causes come to light.

OK, so that's what I learned. My eyes and brain are so sore from all the technical details of these journal articles. I'll include a microscopic pic of what Botrytis spores look-like, and a nice pic of a Botrytis-infected strawberry. I'll list several citations for those who want to ingest and decipher all the science.
As a parting comment, why am I taking all this time? Simple - I care about people, love to help make things better, and don't want preventable sickness to be caused. On a personal note, I had an ex-wife with severe allergies, so I've seen how miserable allergies can cause on the quality of life. I hope all this explains my passion and interest in this thread. That's my "angle" here - to help - not hinder!

A) Microscopic view of Botrytis (the blue coloration is due to chitin soaking up the stain lacto-cotton blue)
mail


B)
Pic of strawberry with Botrytis:
mail


C) A few resources to read: (There are many, many more out there).

http://www.mayomedicallaboratories.com/test-catalog/Clinical+and+Interpretive/82715

196author=CW%20J%C3%83%C2%BCrgensen&author=AM%20Madsen&publication_year=2009&journal=Ann.%20Agric.%20Environ.%20Med.&volume=16&pages=183-196.

I hope I've provided enough evidence here to make people more aware of the possible dangers of consuming Botrytis-infected cannabis. Of course there are others to worry much more about, but Botrytis is the one being reviewed this time. Any suggestions for the next fungus to avoid in your weed? :) I gladly welcome critiques and comments so I may learn more, so I can help more! :) If any of you are still awake, thanks for getting this far and I wish you all a pleasant evening!
 

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