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Article Abstract
Objective: To find out the optimum extraction technology of soyasaponins from residual of bean ware.
Methods: The optimum extraction conditions were investigated by the orthogonal design, and the content of soyasaponins was determined by UV-spectro-pho-tometry.
Results: The optimum extraction technology was A3B1C1, that is adding 7 times and 6 times amount of 70% alcohol and refluxing for two times and each time for 1.0 h.
Conclusion: The selected technology showed higher yield of soyasaponins, good stability and high efficient.
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