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Isolation of gossypol from hexane-acetone miscellas

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Summary

1. The influence of the nature of the alkali on the degree of extraction of gossypol from hexane — acetone miscellas by solutions of NH4OH, borax, sodium carbonate, and caustic soda has been studied. It has been established that the maximum extraction of gossypol is achieved by using 2% caustic soda solution.

2. It is proposed to treat the aqueous layer formed in the decomposition of the sodium gossypolate with sodium chloride, which enables the yield of gossypol to be raised to 90%.

3. It has been shown that the concentration of the miscella in order to eliminate acetone does not lower the yield of gossypol on its isolation from caustic soda solution.

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Literature cited

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    A. L. Markman and V. P. Rzhekhin, Gossypol and Its Derivatives [in Russian], Moscow (1965), p. 188.

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Additional information

Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 177–180, March–April, 1978.

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Nazarova, I.P., Stepanenko, G.A., Glushenkova, A.I. et al. Isolation of gossypol from hexane-acetone miscellas. Chem Nat Compd 14, 142–144 (1978). https://doi.org/10.1007/BF01134613

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Keywords

  • Soda
  • Chloride
  • Acetone
  • Organic Chemistry
  • Hexane