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Recovery of and seed meat from thioglucoside-containing oilseed

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专利汇可以提供Recovery of and seed meat from thioglucoside-containing oilseed专利检索,专利查询,专利分析的服务。并且There is described a process for obtaining protein-rich, substantially non-toxic, oilseed flour by subjecting certain oilseed to myrosinase inactivating temperatures in the presence of water, myrosinase being the enzyme responsible for liberation of toxic compounds upon enzymatic hydrolysis. The water-treated seeds are subjected to decortication so as to expose the seed meat, thioglucoside is substantially removed by extracting at least the exposed seed meat with cold or warm water, the waterextracted material is dried and oil is recovered. The process is particularly applicable to rapeseed and other related seeds and provides a protein-rich flour, suitable for human consumption or animal feeding, which may have a protein content of up to about 56-62 percent, rapeseed oil and, as a by-product, a seed coat rich meal which is useful for animal feeds.,下面是Recovery of and seed meat from thioglucoside-containing oilseed专利的具体信息内容。

  • 2. A method as claimed in claim 1 wherein the myrosinase-inactivation treatment is conducted for a time sufficient to loosen the seed coat, and wherein the decortication step is conducted by subjecting the so treated seed to a shearing action to expose the seed meat while minimizing the production of fines thereof.
  • 3. A method as claimed in claim 1 wherein step (b) is effected at about ambient temperature.
  • 4. A method as claimed in claim 1 wherein step (c) is carried out by first drying the water-extracted seed meat and thereafter recovering oil therefrom.
  • 5. A method as claimed in claim 1 wherein in step (b) both the seed meat and the seed coat are subjected to extraction with water; wherein in step (c) the mixture of seed meat and seed coat is dried and subjected to oil recovery; and wherein the mixture thereafter is subjected to classification to produce a seed meat fraction and seed coat fraction.
  • 6. A method as claimed in claim 5 wherein the seed meat fraction is ground and screened to produce a fine flour, and wherein coarse residue left after screening is combined with the seed coat fraction.
  • 7. A method as claimed in claim 1 wherein the oilseed is rapeseed.
  • 8. A method as claimed in claim 7 wherein step (a) conducted by subjecting the oilseed to treatment with boiling water until the seed coat is loosened, and then passing the seed so obtained through a vertical plate grinder in a stream of water; and step (b) is conducted by subjecting the mixture so obtained to at least two successive extractions with cold to ambient temperature water to remove substantially all of the thioglucoside contained therein.
  • 9. A method as claimed in claim 8 wherein the water-extracted mixture from step (c) is dried, flaked and subjected to solvent extraction to remove the oil, and wherein the oil-free meal is then thereby comminuted and classified into a protein-rich seed meat fraction, and a protein-poor fraction consisting essentially of seed coats containing a minor proportion of seed meat.
  • 10. A method as claimed in claim 9 wherein the protein-rich seed meat fraction is ground to produce rapeseed flour suitable for human consumption.
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