Process for producing soybean saponin-containing material

Details Process for producing soybean saponin-containing material Process for producing soybean saponin-containing material

2003-03-11

2009-12-29

Carr, Deborah D (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Fatty compounds having an acid moiety which contains the...

C554S008000, C554S009000, C554S012000

Reexamination Certificate

active

07638643

ABSTRACT:
It is intended to easily separate saponins from isoflavones extracted from starting soybeans thereby giving highly pure saponins at a high yield on an industrial scale. Saponins can be highly efficiently separated from isoflavones by performing multistage extraction under mild conditions such that malonyl isoflavone glycoside, from among isoflavones contained in the starting soybeans, is not converted into isoflavone glycoside, acetyl isoflavone glycoside or isoflavone aglycon. Thus, highly pure saponins can be obtained at a high yield on an industrial scale.

REFERENCES:
patent: 5789581 (1998-08-01), Matsuura et al.
patent: 6033714 (2000-03-01), Gugger et al.
patent: 61-36225 (1986-02-01), None
patent: 61-129134 (1986-06-01), None
patent: 62-5917 (1987-01-01), None
patent: 4-36242 (1992-02-01), None
patent: 04-36242 (1995-02-01), None
Makoto Shimoyamada et al., “Solubilities of Soybean Saponins and Their Solubilization with a Bisdesmoside Saponin”, Nippon Shokuhin Kogyo Gakkaishi, vol. 40, No. 3, pp. 210 to 213, 1993.
Makoto Shimoyamada et al., “Partition of Soybean Saponins between Butanol and Water”, Food Sci. Technol. Int., vol. 1, No. 2, pp. 112 to 114, 1995.
Aaron P. Griffith et al., “Improved methods for the extraction and analysis of isoflavones from soy-containing food and nutritional supplements by reversed-phase high-performance liquid chromatography and liquid chromatography-mass spectrometry”, J. Chromatography A, vol. 913, pp. 397 to 413, 2001.
Full English translation of JP 61-36225 published Feb. 20, 1986.
Full English translation of JP 4-36242 published Feb. 6, 1992.

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