Human milk oligosaccharides (HMOs) selectively feed human residential bacteria (HRB). HRB, such as Bifidobacterium longum or B. infantis, can utilize HMOs – setting them apart from animal- or fermented dairy-derived strains. Chyn Boon Wong, lead research associate at Morinaga Milk, explains how a chance discovery kicked off research into HMO utilization and the tryptophan metabolite indole-3-lactic acid, which is produced at high levels when HRB digests HMOs.
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