The fatty acid composition, the lipid digestibility and protein profile of Japanese-Saanen goat's milk were characterized. Caprine milk contained substantial quantities of C(4:0) to C(10:0) fatty acids as compared with Holstein cow's milk. The lipids of the former showed significantly higher digestibility in vitro by porcine lipase than those of the latter (P<0.05). As determined by SDS-PAGE, the respective contents of alpha(s1)-casein, one of the major allergens, were 3.9% and 33.7% in caprine and bovine milk.

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