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A simple and precise method was established for the simultaneous determination of daidzin and puerarin and the determination of daidzein in oriental pharmaceutical decoctions containing Puerariae Radix using high-performance liquid chromatography with tetra-n-heptylammonium bromide (THA) as an ion-pair reagent. Daidzin and puerarin were eluted within 45 min without interference with co-existing components using an ODS column and a mixture of 10 mM phosphate buffer (pH 6.5)-methanol (68:32) containing 5 mM THA as a mobile phase. Daidzein was eluted within 35 min without interference with co-existing components using an ODS column and a mixture of 10 mM phosphate buffer (pH 6.5)-acetonitrile (72:28 or 68:32) containing 5 mM THA as a mobile phase.
T Yasuda, and
N Momma, and
K Ohsawa
January 1994,
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan,
T Yasuda, and
N Momma, and
K Ohsawa
January 1996,
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan,
T Yasuda, and
N Momma, and
K Ohsawa
February 1993,
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan,
T Yasuda, and
N Momma, and
K Ohsawa
April 1992,
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan,
T Yasuda, and
N Momma, and
K Ohsawa
May 1992,
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan,
T Yasuda, and
N Momma, and
K Ohsawa
August 1993,
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan,
T Yasuda, and
N Momma, and
K Ohsawa
November 2011,
Chinese medicine,
T Yasuda, and
N Momma, and
K Ohsawa
October 1996,
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan,
T Yasuda, and
N Momma, and
K Ohsawa
January 1982,
Chemical & pharmaceutical bulletin,
T Yasuda, and
N Momma, and
K Ohsawa
July 1983,
Chemical & pharmaceutical bulletin,
