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Abstract ▼ AI-Helper

Ultrafiltration and reverse osmosis were applied to produce soy-oligosaccharides from yeast fermented bean cooking water (BCW). The recovered total sugar by the ultrafiltration of bean cooking water on a cutoff molecular weight membrane of 20,000 and 5,000 was over 80%. The protein was removed up to...

Ultrafiltration and reverse osmosis were applied to produce soy-oligosaccharides from yeast fermented bean cooking water (BCW). The recovered total sugar by the ultrafiltration of bean cooking water on a cutoff molecular weight membrane of 20,000 and 5,000 was over 80%. The protein was removed up to 38% from the non-fermented BCW, 31% by S. cerevisiae KCTC 7039 and 21% by H. anomala KFRI 626. The recovery of oligosaccharides was above 70%, although fermented or non fermented bean cooking water was different on the recovery of oligosaccharides. The ultrafiltrated BCW was concentrated by reverse osmosis with respect to the volume concentration ratio (VCR). Total solid, total sugar, ash and protein contents increased up to VCR of 3.5 and then levelled off, showing that the optimum VCR was 3.5.

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