When the plants were treated with GSH, the levels of PAL in the GSH96 group were significantly higher than those in plants undergoing other treatments
Infections, medication, and other conditions can cause it, too
Aebi, H
Use of tissue metabolite analysis and enzyme kinetics to discriminate between alternate pathways for hydrogen sulfide metabolism
22,28 Given the new evidence that indicates key metabolism enzymes of the folate system are capable of responding to UV and UV-induced damage, it has been hypothesized that functionality of the DNA repair complex will reflect UV exposure
Based on technical data and formulation best practices for L-Glutathione , here is the conclusion regarding its temperature stability and handling: Temperature and Time Limits While L-Glutathione can be heated to 6070C to assist dissolution, this should be treated as a brief "processing excursion" rather than a stable holding condition