ISO % question for extraction

With that being said, which one should be used.

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This acetaldehyde byproduct is further broken down into an acetate ion and then into water and co2 provided your body has the necessary enzymes which many asian people do not. If your face gets really red when you drink you may not have the necessary enzymes to break down the ethanol. Otherwise it is the safer option.

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If you’re concerned about trace quantites, as long as resduals are under LOQ, then either. Your liver has the capacity to metabolize these residuals without spilling the metabolites back into the bloodstream. It’s the higher drinking quantities that is at issue. All the concerns of acetaldehyde are at drinking levels far above LOQ. The exceptions might be patients with impaired liver or kidney functionality, such as MCAS (Mast Cell Activation Syndrome). In cases of impairment, it’s up to the patient’s condition if they have Chemical Intolerance (CI). Isopropyl and Acetone should be considered. Isopropyl breaks down into Acetone which is a ketone used for an energy source. Your liver creates acetone when breaking down lipids, so acetone is safer biologically that ethanol turned into acetaldehyde. Again, this would be patient dependent based on their CI at or below LOQ.
I’ve been searching the past month for studies on residual trace health effects, but very few exist outside paywalls. If you have any, I’d love to read them.

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Sci-hub is good for getting around those. If they don’t have what you need, wosonhj might be able to help you - I’ve found it to be a very useful community for papers I can’t find elsewhere.

Of course, these resources should only be used for getting copies of scientific papers that you have the legal right to access, because respecting the rights and restrictions of copyright holders is Important and Good.

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Which you should be able to do - if you are a resident of any state in the US via the public library or community college library or local university.

Accessing them isn’t hard to do (so you can read them) republishing, plagiarizing them to other places is where you should consider drawing the hardline.

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