TABLE 1.

Structure and composition of oligosaccharides used in the study^a

Substrate	Chemical compositionb	Purity
Fructo-oligosaccharides (Raftilose P95)	β(2-1)-fructan; 60% Gfn; 40% Fn (d.p., 2-8; avg, 4-5)	87% oligosaccharides
Xylo-oligosaccharides	β(1-4)-linked xylose; d.p. of oligosaccharide fraction, 2-4	29% oligosaccharides
Soya-oligosaccharides	Stachyose (F, Gal, Gal, Glu) and raffinose (F, Gal, Glu); d.p., 3-4	25% stachyose, 10% raffinose, 50% sucrose, 15% monosaccharides
Galacto-oligosaccharides	Small amounts of G, Gal, and Lac	85% oligosaccharides

^aF, fructose; G, glucose; Gal, galactose; Lac, lactose.

^bd.p., degree of polymerization.