Preliminary Studies On The Methods Of Extraction And Determination Of Vitamin A Content Of Liver Oils Of Common Philippine Market Fishes*

S.V. Bersamin, L.G. Salcedo and G. Guevara


Comparative studies on the percentage of oil and Vitamin A content of livers of each of eleven Philippine market fishes using direct, as well as indirect (standard AOVC method) extraction methods, show that the direct method presents more advantages than the indirect method because the former eliminates the tedious step of solvent extraction. Percentage recovery of oil and Vitamin A content is relatively higher in the direct method.

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