Chemical Constituent of Resveratrol

Yet despite widespread interest in antioxidants, some physicians are concerned antioxidants might end up protecting tumors. In fact, the research by some of the leading cut edge Surgeons showed that suggests resveratrol not only reaches its intended target, injuring the nexus of malignant cells, but at the same time protects normal tissue from the harmful effects of radiation during chemotherapy in the case of proplonged stage of  cancer.

It exists as two geometric isomers: cis (Z) and trans (E), with cis-isomer shown in the top image. The trans form can undergo isomerisation to the cis form when exposed to ultraviolet irradiation. Trans-resveratrol in the powder form was found to be stable under "accelerated stability" conditions of 75% humidity and 40 degrees C in the presence of air. Resveratrol content also stayed stable in the skins of grapes and pomace taken after fermentation and stored for a long period. All that means is that That resveratrol can have two forms of existence according to the subject.

Chemical Action Plan of Resveratrol Content

The mechanisms of resveratrol's apparent effects on life extension are not fully understood, but they appear to mimic several of the biochemical effects of calori restriction. A new report indicates that resveratrol activates Sirtuin 1 (SIRT1) and PGC-1a and improve functioning of the mitochondria. Other research calls into question the theory connecting resveratrol, SIRT1, and calorie restriction.

Resveratrol  content interferes with all three stages of carcinogenesis— initiation, promotion and progression. Experiments in cell cultures of varied types and isolated subcellular systems in vitro imply many mechanisms in the pharmacological activity of resveratrol. These mechanisms include modulation of the transcription factor NF-kB inhibition of the cytochrome P450 isoenzyme CYP1A1 (although this may not be relevant to the CYP1A1-mediated bioactivation of the procarcinogen benzo(a)pyrene, alterations in androgenic actions and expression and activity of cyclooxygenase (COX) enzymes.

Resveratrol content was reported effective against neuronal cell dysfunction and cell death, and in theory could help against diseases such as Huntington's disease and Alzheimer's disease. Again, this has not yet been tested in humans for any disease.

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