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Free-Radical Gossypol Derivatives for Cotton Verticillium Wilt
Chemistry of Natural Compounds, 2004The ability to bind reversibly molecular oxygen was established for a free-radical product of gossypol oxidation. Conversion of dianhydrogossypol into the stable biradical dioxodianhydrogossypol was viewed as the reason for interruption of the gossypol redox conversion cycle in the extracellular milieu of cotton steles.
A. A. Tyshchenko +3 more
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Determination of free gossypol in Iranian cottonseed and cottonseed cake
Food Chemistry, 1990Abstract Free gossypol was determined, using AOCS method Ba 7–58, in 11 varieties of cottonseed cultivated in Iran and six samples of cottonseed cake from three oil plants in (A) Pars, (B) Margarin and (C) Varamin. The mean value for free gossypol in normal glanded cottonseed samples (n = 8) was 1·14%.
Fereshteh Malek, Parvin Zandi
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Ultrasound‐Assisted Detoxification of Free Gossypol from Cottonseed Meal
Journal of Food Process Engineering, 2015AbstractTo decrease NaOH consumption in the process of removal of free gossypol (FG) in cottonseed meal (CSM), ultrasound was applied in the detoxification experiments. The effects of various factors on the removal efficiency were studied by single‐factor experiments, and detoxification conditions were optimized by response surface methodology.
Chunhua Dai +5 more
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Gossypol-induced free radical toxicity to isolated islet cells
International Journal of Biochemistry, 19891. The cytotoxicity of the polyphenolic potential male antifertility agent gossypol was investigated on isolated mouse islets cells. 2. Gossypol shared many properties with the diabetogenic agent alloxan. 3. Gossypol (0.1-1.0 mmol/l) induced a concentration-dependent increase of Trypan Blue uptake by the cells, indicating an increase of membrane ...
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The reduction of free gossypol in cottonseed by pressure cooking
Journal of the American Oil Chemists' Society, 1951SummaryIt has been demonstrated that the rate of disappearance of free gossypol during pressure cooking correlates well when using the equation of a second order chemical reaction. This equation applies to raw seed, whole meats, flaked meats, and solvent extracted flakes.
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Determination of free and total gossypol by high performance liquid chromatography
Journal of the American Oil Chemists' Society, 1990AbstractExisting HPLC methods determine only pure gossypol whereas the official AOCS method determines both gossypol and other physiologically active gossypol‐like compounds that react with 3‐amino‐1‐propanol and aniline. The feed industry uses the official AOCS method, which is complex and produces results that do not correlate well among laboratories.
R. J. Hron, M. S. Kuk, G. Abraham
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The reduction of free gossypol in cottonseed flakes during solvent extraction
Journal of the American Oil Chemists' Society, 1955ConclusionsExtraction with trichloroethylene was found to be an effective method of reducing the free gossypol content of flaked cottonseed meats. The reduction was found to be a function of both extraction temperature and residual extractables in the extracted meal. Because of the low temperatures involved the meal produced by this method has a higher
Lionel K. Arnold, William G. Juhl
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Modified procedures for determination of free and total gossypol pigments
Journal of the American Oil Chemists' Society, 1967AbstractThe inclusion of hydrochloric acid and thiourea in the gossypol blanks in present official AOCS methods for free and total gossypol produced equivalent absorbances identical to those obtained in the AOCS procedure for gossypol in oils. The treatment relieved the darkening of reagent blanks and allowed the same calibration data to be used for ...
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Determination of free gossypol in chemically treated cottonseed meals containing dianilinogossypol
Journal of the American Oil Chemists' Society, 1955SummaryA method is proposed for the determination of free gossypol in chemically treated cottonseed meals containing dianilinogossypol. The procedure includes a rapid qualitative test for detecting the presence of dianilinogossypol in cottonseed meals.Investigation of the properties of dianilinogossypol showed that it was appreciably soluble in water ...
Walter A. Pons, Carroll L. Hoffpauir
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Relation of amount and quality of protein in the diet to free gossypol tolerance by the rat
Journal of the American Oil Chemists' Society, 1956Summary and ConclusionsThe rat‐repletion method for protein assay has been used to estimate effects on tolerance for free gossypol of a) difference in source or kind of protein; b) level of total nitrogen or protein intake; and c) changes in amino acid content or balance in the nitrogen allowance.
C. A. Cabell, I. P. Earle
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