It is a well known now that almost all the plants has antioxidant activity. However the extent of the activity may vary to a considerable extent depending upon the species.
Is it ration to say that a plant rich in antioxidants in vitro will also have similar effect when tested in vivo or not?
Please suggest
In vivo anti-oxidant system is certainly better than in vitro due to other enzyme co-factors that may be present in vivo
Here-under are the conclusions of the attached study.
The review article is focused on in vitro and in vivo methods of antioxidant evaluation. It was prepared based on plenty literature search. Presently, 19 in vitro and 10 in vivo methods are being used for antioxidant evaluation purpose. DPPH method is the most frequently used one for in vitro antioxidant activity evaluation while LPO was found as the mostly used in vivo antioxidant assay. Ethanol extract was found with the highest frequency for antioxidant study. This article will be a comprehensive ready reference for those who are interested on antioxidant study.
http://www.sciencedirect.com/science/article/pii/S1319016412000357
Definitely in-vivo methods are more effective because of more accurate values
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