# DBT JRF 2020 — Question 70

Exam: DBT JRF 2020 · Section: B · Topic: Biochemistry · Difficulty: Easy

## Question

Epicatechin gallate (ECG) is a type of flavonoid found in which of the following?

## Options

- **A.** orange
- **B.** berries
- **C.** carrot
- **D.** green tea

## Answer

Option D

## Explanation

Green tea (Camellia sinensis, family Theaceae) is the richest known dietary source of flavan-3-ols (catechins), including: EGCG (epigallocatechin-3-gallate) — most abundant (~50–75% of catechins); EGC (epigallocatechin); ECG (epicatechin gallate, ~15%); EC (epicatechin). Epicatechin gallate (ECG) is specifically a gallic acid ester of epicatechin. Total catechins in green tea can reach 30% of dry weight. These polyphenolic antioxidants are associated with cardiovascular, metabolic, and neuroprotective benefits. Berries contain anthocyanins; carrots contain carotenoids ( $\beta$ -carotene); oranges contain flavanones (hesperidin, naringenin) and vitamin C.

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