The peeling process is gradual and uniform, encouraging even shedding of damaged surface cells rather than patchy or uneven exfoliation
Importantly, in our comparative analyses, phenformin strongly outcompeted metformin in terms of its antiviral activity which was ~300 fold higher against SARS-CoV-2 (IC 50 of ~1.5 M for phenformin vs ~450 M for metformin)
The authors noted that, within the context of their focus on the chloroplast, NADPH could be produced from the photosynthetic electron transport chain (thus providing an additional sink for electrons) or, in the dark, by the dehydrogenases of the oxidative pentose phosphate pathway (Foyer and Halliwell 1976)
But there exists a hazy gray area in between which can complicate matters
There have been several reports of acute aflatoxicosis resulting in death in humans [154]
Cheungpasitporn, W., Erickson, S