Green tea Antioxidant

The antioxidant polyphenols in green tea are classified as catechins and the major and most active is called epigallocatechin gallate (EGCG). When fermented, green tea becomes black tea and has less antioxidants as well as somewhat different antioxidants. Beneficial antioxidant polyphenols make up roughly 30-40% of green tea, as opposed to only 3-10% of black tea.

Green Tea Extract, 100 mg, yielding 35 mg EGCG - Source Naturals
Diet Rx  FREE bottle formulated by Dr. Ray Sahelian, M.D.
Green Tea Extract offers a convenient way to get the benefits of green tea in a highly concentrated green tea pill form.  This green tea extract is standardized for bioflavonoid-like antioxidants known as polyphenols, particularly Epigallocatechin Gallate EGCG. EGCG has been found in scientific studies to be a potent antioxidant. Green tea antioxidants are likely to become more popular with time.

Green Tea Supplement Facts
Green Tea Extract Yielding 35 mg epigallocatechin gallate EGCG

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Green tea antioxidants improved with vitamin C
Adding citrus juices or vitamin C to green tea raises its antioxidant goodness. Catechins are antioxidants that are partly responsible for some of green tea's health benefits, such as reducing the risk of cancer, heart attack and stroke. In a laboratory study, citrus juice increased recoverable (absorbable) catechin levels by more than five times, while vitamin C (ascorbic acid) boosted recoverable levels of the two most abundant catechins by six and 13 times. Citrus juices and vitamin C interact with catechins to prevent degradation in the intestines.

Green Tea Vitamin
Green tea contains few vitamins but has several beneficial substances including minerals and polyphenols. One study in Portugal evaluated the levels of minerals and catechins in green tea samples. Potassium is the mineral present in larger amount (92 to 151 mg/l). The content of sodium, calcium, fluoride, aluminium, manganese and iron were 35-69, 1.9-3.5, 0.80-2.0, 1.0-2.2, 0.52-1.9, 0.020-0.128 mg/l, respectively. Chromium and selenium were not detected. There were wide variations in catechin content. The levels of epigallocatechin gallate (EGCG) ranged from 117 to 442 mg/l, epicatechin 3-gallate (EGC) from 203 to 471 mg/l, epigallocatechin (ECG) from 16.9 to 150 mg/l, epicatechin (EC) from 25 to 81 mg/l and catechin (C) from 9.03 to 115 mg/l.

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