What is there in green tea?

What is there in green tea?

Polyphenols found in green tea include epigallocatechin gallate (EGCG), epicatechin gallate, epicatechins and flavanols, which are under laboratory research for their potential effects in vivo. Other components include three kinds of flavonoids, known as kaempferol, quercetin, and myricetin.

What is ECGC in green tea?

Green tea contains a catechin called epigallocatechin-3-gallate (EGCG). Catechins are natural antioxidants that help prevent cell damage and provide other benefits. EGCG is one of the most powerful compounds in green tea. Research has tested its ability to help treat various diseases.

What is green tea extract made of?

Made from dried green tea leaves, green tea extract contains caffeine as well as plant compounds called catechins, including epigallocatechins-3-gallate (EGCG).

Does green tea contain gallic acid?

Green tea typically contains up to . 46 mg of gallic acid per gram, compared to 4.65 mg for black tea and . 68 mg for Oolong tea.

How much tannic acid is in green tea?

Black tea had the highest tannin concentration, ranging from 11.76 to 15.14 percent, while green tea had the lowest amount of tannins, with an average of 2.65 percent (and a high of 3.11 percent). Oolong tea fell in the middle of black and green tea, clocking in at 8.66 percent.

Which has more antioxidants green tea or black tea?

Most research indicates that green tea has stronger antioxidant properties than black tea, but one study found that green and black teas exhibited equally effective antioxidant capacities ( 35 , 37 , 38).

Why tea is bad for health?

Though moderate intake is healthy for most people, drinking too much could lead to negative side effects, such as anxiety, headaches, digestive issues, and disrupted sleep patterns. Most people can drink 3–4 cups (710–950 ml) of tea daily without adverse effects, but some may experience side effects at lower doses.