Lignans are the constituents of

Question

Question

This question was previously asked in

RRB Pharmacist Exam Paper 2019

Answer 1

Correct Answer: Flax seed

Rationale:

Lignans are a group of chemical compounds found in plants, known for their phytoestrogenic and antioxidant properties.
Flax seeds are the richest known dietary source of lignans, specifically secoisolariciresinol diglucoside (SDG).
Lignans are converted by intestinal bacteria into enterolignans, which can have estrogenic and anti-estrogenic effects on the body.
Flax seeds offer numerous health benefits, including potential protection against certain cancers, cardiovascular diseases, and osteoporosis.

Explanation of Other Options:

Pomegranate

Rationale: Pomegranates are rich in antioxidants, particularly ellagitannins and anthocyanins, but they are not particularly noted for their lignan content.
Ellagitannins are polyphenols that contribute to the anti-inflammatory and anticancer properties of pomegranates.

Soy

Rationale: Soybeans are rich in isoflavones, such as genistein and daidzein, which are phytoestrogens, but not lignans.
Isoflavones are known for their potential benefits in reducing menopausal symptoms and lowering the risk of osteoporosis and certain cancers.

Lycopene

Rationale: Lycopene is a carotenoid pigment found in tomatoes and other red fruits and vegetables, known for its antioxidant properties, but it is not a lignan.
Lycopene has been studied for its potential role in reducing the risk of prostate cancer and cardiovascular diseases.

Conclusion:

Among the given options, flax seed is the primary source of lignans. These compounds offer significant health benefits due to their antioxidant and phytoestrogenic properties.