Scientists in Singapore replace fishmeal in aquaculture with microbial protein derived from soybean processing wastewater

Published 2024년 4월 25일

Tridge summary

Researchers from Nanyang Technological University and Temasek Polytechnic in Singapore have found a way to replace half of the fishmeal protein in the diets of farmed Asian seabass with a sustainable 'single cell protein' sourced from microbes in soybean processing wastewater. This breakthrough could potentially reduce the aquaculture industry's reliance on wild-caught fish for feed, contributing to sustainable fishing practices. The team successfully cultivated the single cell protein in bioreactors and fed it to the fish, with no difference in growth between those fed the new diet and those fed a conventional diet. This method of converting soybean processing wastewater into a valuable aquaculture feed ingredient could play a key role in transitioning to a circular bioeconomy. The researchers plan to further test this approach with other aquaculture species and different types of food processing wastewater.

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Original content

Scientists from Nanyang Technological University, Singapore (NTU Singapore) and Temasek Polytechnic have successfully replaced half of the fishmeal protein in the diets of farmed Asian seabass with a "single cell protein" cultivated from microbes in soybean processing wastewater, paving the way for more sustainable fish farming practices. The findings are published in the journal Scientific Reports.The use of a cultivated protein is new to aquaculture production, say the scientists from the Singapore Centre for Environmental Life Sciences Engineering (SCELSE) leading NTU's efforts in the study, and Temasek Polytechnic's Aquaculture Innovation Centre (AIC).Farmed aquaculture species rely heavily on feed made from wild-caught fish, known as fishmeal, which is not sustainable and contributes to overfishing of the seas.Single cell protein, a sustainable alternative, can be cultivated from food processing wastewater. In particular, the wastewater from soybean processing contains ...

Source: Phys