DB13/ 4-1991
Determination method of free gossypol in cottonseed cake soy sauce (English Version)

Standard No.

DB13/ 4-1991

Language

Chinese, Available in English version

Release Date

1990

Published By

Hebei Provincial Standard of the People's Republic of China

Latest

DB13/ 4-1991

Scope

This standard specifies the spectrophotometric method for the determination of the harmful substance free gossypol in cottonseed cake soy sauce. This standard applies to the determination of residual free salt in soy sauce made from cottonseed cake and soy sauce mixed with cottonseed cake and bean cake. The minimum detectable amount is 2ug. When the sampling volume is 1ml or 1g, the minimum detection concentration is 2PPM, and the linear range is 1-50ug.

DB13/ 4-1991 history

• 1990 DB13/ 4-1991 Determination method of free gossypol in cottonseed cake soy sauce