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James Kringlee's avatar

Please consider this 2022 study " "Reducing toxic constituents of ginkgolic acid content and improving bioactive flavonoid content from Ginkgo biloba leaves by high‐temperature pretreatment processing" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9922130/ Abstract "High-temperature pretreatment was developed in this article to remove the main toxic constituents of ginkgolic acids (GAs) from Ginkgo biloba leaves (GBLs) and improve the bioactive flavonoid content by water extraction...."

2022 published research says first bake the whole leaves at 177 C / 350 F for 1 hour - then reduce to powder and mix 56 parts water and 1 part baked leave powder, 56:1 (ml/g), and simmer at 96 C / 205 F for 3.5 hours. my note: This could then be poured through a coffee filter and consumed as tea or the liquid put in the soup pot? Commercial practice would filter and then dehydrate to create a dry powder. edited here: Thank You Mara for your correction. I do not know if additional extraction with ethanol of what would remain in the coffee filter would additionally extract beneficial compounds.

"Dried G. biloba leaves of 4.0 g were heated in the drying oven at different high temperatures for 1 h. Then, the leaves were separately grounded into powders, followed by sieving through a 60 mesh screen of 0.25 mm to control the particle size. The powders were extracted with water at different liquid‐to‐solid ratios for 3.5 h at different extraction temperatures."

"According to the analysis of the response surface, the optimum condition was obtained: pretreatment temperature, 177.4°C; liquid‐to‐solid ratio, 56:1 (ml/g); and (my note: water) extraction temperature, 95.8°C"

"The high‐temperature pretreatment process used in this article is economical and easy to operate. And, most important of all, the content of toxic constituents of GAs in G. biloba leaves decreased very significantly after pretreatment. The new method could reduce the content of toxic GAs to the limit of Chinese Pharmacopeia (2020) and Europe Pharmacopeia 9.0 (2011), so the subsequent processing to remove GAs was not needed, which will greatly reduce production costs and environmental pollution. Meanwhile, the content of flavonoids was greatly improved and the antioxidant activities were not affected using the new method."

"Moreover, in the Chinese traditional tea industry, G. biloba leaf tea was usually pretreated by stir frying at a certain temperature to make it safe to drink. That is, the toxic components of G. biloba leaf tea could be removed after stir frying, which is coincided with the method of high‐temperature pretreatment used in this study. Thus, our study could lay a solid scientific basis on this traditional process."

Psyche's avatar

Walter you’re an Angel 😇just popped my Gingko Irwin Naturals … I had forgotten it was so anti-clot for me with two genetic defects on the clot cascade and thank you 🙏🏼 God I didn’t vax knew I would be dead if I did … also taking NEPRINOL AFD by Arthur Andrew Medical 15,000 FU per capsule…. Maintenance 2-3 Increased Support 4-6 Therapeutic 6-9 very essential to my well being… I am going to share this article and re-stack folks need to know 😄Thank you for your work🥰♥️

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