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Lipid And Cholesterol Lowering Effect Of Green Vs Black Tea

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LIPID AND CHOLESTEROL LOWERING EFFECT OF GREEN VS BLACK TEA – HOW MUCH, HOW FREQUENT: A LITERATURE REVIEW

DR. PERWEZ KHANAM

Lecturer, Department of Biochemistry Nursing College of King Saud Bin Abdul Aziz University of Health Sciences, Al Ahsa, Kingdom of Saudi Arabia

Email – perwez_khanam2003@yahoo.com

Abstract:
Green tea, an unfermented leaves is rich in catechins. Catechins are known to lower the lipid by un-regulating lipid-metabolizing enzyme via NF-KB and thereby stimulating fat oxidation. Black tea results from the fermentation of green tea in which catechins of green tea is converted to theaflavin and thearubigin, which have some significant health benefits of their own. Theaflavin is responsible for reduced lipid accumulation, suppressed fatty acid synthesis, and stimulated fatty acid oxidation by inhibiting acetyl-coenzyme-A-carboxylase activities.

A literature review of a total of 8 Randomized Controlled trials (RCTs), 5 Meta analyses consisting of 75 peer-reviewed Randomized Controlled trials (RCTs) on 5319 subjects and 6 population based studies were selected for this study. The research related to Green tea effect on the cholesterol and lipid lowering effect shows promising results with high dose of intake for long term. Studies and meta-analyses of CCRTs in most cases showed improved low density

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