oligosaccharide
A carbohydrate consisting of a small number of monosaccharides. Used in chemistry and nutrition contexts.
オリゴ糖は腸内の善玉菌のエサになります。
Oligosaccharides serve as food for beneficial gut bacteria.
cyclic oligosaccharide
fructooligosaccharide; oligofructose
isomalto-oligosaccharide; IMO
From English 'oligosaccharide', combining 'oligo-' (few) and '糖' (sugar).