Cowpea, Vigna unguiculata (Linnaeus) Walpers [Syn. Vigna sinensis (Linnaeus)] is one of the pulses belonging to family Fabaceae/Papilionaceae and sub-family Faboidae/Papilionoidae and also known as black-eyed bean or southern pea in English while chola or choli, chavli, lobia in vernacular languages in India. It is the most versatile kharif pulse because of its drought tolerating characters, soil restoring properties and multipurpose uses. Cowpea is called vegetable meat due to high amount of protein in grain with better biological value on dry weight. Cowpea grain contains 60% carbohydrates,...