Study of substance changes in flowers of Pueraria thunbergiana Benth. during storage.
Puerariae Flos is a traditional herbal medicine that has long been used as a treatment for colds, diabetes, and hangovers. The herbal medicine contains a wide variety of isoflavones such as kakkalide, tectoridin, and tectorigenin. This study demonstrates that the substances undergo a certain degree of change depending on the storage period by the method of HPLC and 13C-NMR, and that the HPLC analysis can be used to determine the freshness of Puerariae Flos.
Kim
Chungsook
C
Drug Research and Development Team, Korea Institute of Oriental Medicine, 129-11 Chungdam-dong, Kangnam-ku, Seoul 135-100, Korea. cskim@kiom.re.kr
Shin
Sunmi
S
Ha
Hyekyung
H
Kim
Jong Moon
JM
D004356:Drug Storage / Q000379:methods; D035264:Flowers; D007529:Isoflavones / Q000032:analysis* / Q000737:chemistry / Q000302:isolation & purification; D010936:Plant Extracts / Q000032:analysis / Q000737:chemistry / Q000302:isolation & purification; D029908:Pueraria
D007529:Isoflavones; D010936:Plant Extracts