The dynamic change of paeoniaflorin content from Paeonia lactiflora Pall root in harvest time
2002
Abstrcat By HPLC method, the dynamic change of paeoniaflorin content in roots of \%Paeonia lactiflora \%Pall planted in Donghai County, Jiangsu Province was detected. The results showed that from September to November, the content of paeoniaflorin was from low to high, and then to low, at last it became stable, so the content of paeoniaflorin reached the highest in early October; during a day, it was the highest in the noon. In addition, the content of paeoniaflorin was a negative relation with diameter of \%P. lactiflora \%roots (\%Y\%=-1.50\%X\%+5.787), that is the content of paeoniaflorin increases with decreasing of the diameter of root.
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