Soya bean is rich in –
**Core Concept**
Soya bean is a rich source of protein and is often used as a dietary supplement due to its high nutritional value. It contains a unique combination of essential amino acids, making it an excellent plant-based protein source.
**Why the Correct Answer is Right**
Soya bean contains a high amount of protein due to its unique combination of essential amino acids, including methionine, tryptophan, and lysine. The protein in soya bean is also rich in isoflavones, which have been shown to have various health benefits, including reducing the risk of heart disease and certain types of cancer. The protein in soya bean is also highly digestible, making it an excellent source of protein for individuals with protein deficiencies.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because soya bean is not particularly rich in fiber. While it does contain some fiber, its protein content is much higher.
**Option B:** This option is incorrect because soya bean is not a significant source of vitamin C. It does contain some vitamin C, but not in sufficient amounts to make it a notable source.
**Option C:** This option is incorrect because soya bean is not particularly rich in healthy fats. While it does contain some fat, its protein content is much higher.
**Clinical Pearl / High-Yield Fact**
One of the key benefits of soya bean protein is its ability to reduce the risk of heart disease due to its high content of isoflavones, which have been shown to lower cholesterol levels and reduce blood pressure.
**Correct Answer: D. Protein. Soya bean is a rich source of protein.**