In Singapore, more than 30,000kg of okara are generated from soya milk and tofu production. Due to the high amount of insoluble dietary fiber and a unique, poignant smell of okara, it is often discarded as a waste product. Despite Okara's low palatability, it is rich in nutrients. RP has developed a cost-effective formulation to include okara in feed for abalone. The formulation can potentially be adapted and customised for other aquatic species.
Okara contains the following beneficial nutrients:
50% insoluble fiber
20% proteins
10% unsaturated fats
Isoflavones
Vitamins and minerals
Okara is used as a cost-effective feed for high-value abalone, a commonly cultured species of mollusc. Okara-based feed results in the beautiful purple colouration of the shell and increased growth and survivability of abalone. In comparison, the okara-based feed costs ~30% less than commercial feed used in the industry. There is potential for okara to be included in feed for other aquatic species such as shrimp and fish.
An alternative nutrient source for animal feed allowing for sustainability of food supply and reduction of food waste.
A cost-effective plant-based functional ingredient, lowering costs of feed for aquaculture farms.
Nutritional composition can be tailored for different species.
Increased growth rates and survivability.
This technology is available for licensing and technology transfer.
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