This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
The method is applicable to cottonseed and cottonseed meals and cakes. The method consists in extracting of the compound in the presence of 3-aminopropane-1-ol, either with a mexture of 2-propanol and hexane for the determination of free gossypol or with dimethylformamide for the determination of total gossypol. Conversion to gossypol-dianiline using aniline, and measurement of the absorbance at the wavelength of maximum absorbance (between 435 and 445 nm).
Status: PublishedPublication date: 1985-11
Edition: 1Number of pages: 3
Technical Committee: ISO/TC 34/SC 10 Animal feeding stuffs
- ICS :
- 65.120 Animal feeding stuffs
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Stage: 90.93 (Confirmed)
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