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Occurrence of gossypol in dried bract of the cotton plant
Author(s) -
Loewenschuss Hana,
Wakelyn P. J.
Publication year - 1972
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02609197
Subject(s) - gossypol , byssinosis , chemistry , bract , divalent metal , aniline , chromatography , food science , botany , organic chemistry , biochemistry , biology , metal , materials science , inflorescence , composite material
Gossypol has been identified as a component of bract (FDB) from frost‐killed, field‐grown cotton by its chromatographic behavior on films of silica and cellulose (four eluents and five methods of detection). In addition, a derivative of gossypol was detected, and it was shown chromatographically that gossypol was removed from extracts of FDB by a divalent metal and by aniline. The total gossypol content, by spectrophotometric determination of gossypol‐aniline complex, of FDB was 0.93%, but for a sample of bract from a cotton plant that had been grown in a hothouse it was only 0.048%. However the free gossypol contents in both were similar (0.065% and 0.044%, respectively). Both bract samples were from glanded cotton varieties. It is worthwhile to investigate the effect of gossypol on lung tissue to see if it can contribute to the acute response of byssinosis. In addition, it is noted that the waste from ginned cotton which is sometimes used as livestock feed may contain gossypol.

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