BIOMOLECULES AND ENZYMES

Detailed explanation-1: -All whole grain kernels contain three parts: the bran, germ, and endosperm. Each section houses health-promoting nutrients. The bran is the fiber-rich outer layer that supplies B vitamins, iron, copper, zinc, magnesium, antioxidants, and phytochemicals.

Detailed explanation-2: -The bran is the outer shell of the grain and is high in fiber and B vitamin. Inside the bran is the endosperm, which makes up most of the kernel and mainly contains starch. Also inside the bran is the germ, which is the nutrient powerhouse of the grain.

Detailed explanation-3: -Nutrients. The B vitamins thiamin, riboflavin, and niacin play a key role in metabolism – they help the body release energy from protein, fat, and carbohydrates. B vitamins are also essential for a healthy nervous system. Many refined grains are enriched with these B vitamins.

Detailed explanation-4: -The endosperm is the biggest part of the whole grain and contains carbohydrate and protein. It provides a small amount of vitamins and minerals. The germ is the smallest part of the kernel. It provides a large amount of B vitamins, vitamin E and minerals.

Detailed explanation-5: -The BRAN is the multi-layered outer skin of the edible kernel. It contains important antioxidants, B vitamins, and fiber.