Description
Microbial fermentation of African locust beans (Parkia biglobosa) into a protein-rich, umami-packed condiment.
Technical
Bacillus subtilis and other soil-derived microbes hydrolyze proteins into free amino acids (glutamate, lysine) and short peptides, while enzymatic breakdown of complex carbohydrates produces volatile fatty acids (butyric, propionic) and sulfur compounds (methanethiol).
Culinary Significance
Used as a flavor enhancer in soups (e.g., Nigerian ogiri okpei), stews, and rice dishes, providing depth comparable to fermented soybean pastes but with distinct earthy/funky notes.
Science
Primary Reaction
Proteolytic degradation of proteins
Parameters
Temperature
35°C optimal
25°C to 45°C range
Time
72 hours
48 hours – 14 days
Equipment
Earthenware pots (traditional)Cheesecloth for coveringWooden mortar/pestle for dehulling