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- W2355367987 abstract "Panax notoginseng isthe first medicinal materialin Yunnan of China and P.notoginseng produced in the Wenshan eparchy of Yunnan is the Genuine Medicinal Material of P.notoginseng. The transverse sections of the root tubers of P.notoginseng range from yellowish white to purple. The root tubers with pure purple occupy about 28.21% of the root tubers researched,and their pericycles,endodermises,cortexes or epidermises are purple. Specific color reactions and UV-vis spectra indicated that the purple pigment of the root tuber of P.notoginseng belongs to flavonoids,probably holding phenolic o-dihydroxyls,excluding carotenoids,chalcones,aurones,isoflavones and catechins. Anthocyanins and/or their aglycones,namely anthocyanidins,underlay the pigmentation of the purple root tuber and other non-red flavonoids function as co-pigments. The average anthocyanin content and the average total ginsenoside content of the root tubers with pure purple are all the highest,next are those of the root tubers with farraginous color of yellow and purple,and the lowest are those of the root tubers with pure yellow,which is consistent with the changing trend of the color hues of the different root tubers. The difference of anthocyanin contents of the root tubers with different colors reaches the most significant level,but the difference of anthocyanin contents does not reach the significant level. Every root tuber contains anthocyanins of different quantity,and along with increase of the anthocyanin content,the purple of the root color basically becomes more and more obvious gradually. The anthocyanin content of the root tuber is positively related with the total ginsenoside content at the significant level and the correlation coefficient(r)is 0.355. This paper can provide a reference for the exploration on the mechanism of the tuber coloration and the identification of the molecular structures of the tuber pigments of P.notoginseng." @default.
- W2355367987 created "2016-06-24" @default.
- W2355367987 creator A5057215739 @default.
- W2355367987 date "2008-01-01" @default.
- W2355367987 modified "2023-09-25" @default.
- W2355367987 title "Anthocyanin essence of the purple pigment and positive correlation of the anthocyanin content and the total ginsenoside content of the root tuber of Panax notoginseng" @default.
- W2355367987 hasPublicationYear "2008" @default.
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