Field Bean / Hyacinth Bean
Specifications:
Parameter | Standard Value | Importance |
Protein | $23.0\% – 28.0\%$ | High-quality plant protein; contains essential amino acids like Lysine. |
Energy | $340 – 355$ kcal | Dense energy source for tropical diets. |
Moisture | Max $12\% – 14\%$ | Essential for preventing spoilage and mold during storage. |
Dietary Fiber | $10.0\% – 18.0\%$ | High fiber content aids in blood sugar regulation. |
Total Fat | $0.8\% – 1.2\%$ | Naturally very low in lipids. |
Iron | $5.0 – 7.0$ mg | Supports red blood cell production. |
Potassium | $\approx 1,235$ mg | High levels help balance sodium intake. |
General Physical Description:
- Appearance: Seeds are ovoid (egg-shaped) and laterally compressed (slightly flat). A defining feature is the conspicuous linear white hilum that covers about one-third of the seed’s edge.
- Colour Varieties: * Commercial Grades: Creamy white or buff (most common for dried pulse use).
- Regional/Wild: Black, chocolate brown, red, or mottled (often used for ornamental or specific culinary purposes).
- Size: Seeds are typically 8 cm to 1.2 cm in length.
- Pod Description: Flat or curved, usually 5 cm to 10 cm long, often featuring a striking purple or bright green Colour.
- Texture: The seed coat is thick and smooth. The dried bean is extremely hard and requires significant soaking.