YU Xin-yang, ZHANG Li-yan, XIE Yu, et al. Principal Component Analysis to Determine Optimal Harvesting Time of and Initial Processing Method[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(21): 90-92.
DOI:
YU Xin-yang, ZHANG Li-yan, XIE Yu, et al. Principal Component Analysis to Determine Optimal Harvesting Time of and Initial Processing Method[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(21): 90-92. DOI: 10.11653/syfj2013210090.
Principal Component Analysis to Determine Optimal Harvesting Time of and Initial Processing Method
Objective: Todeterminethe optimal harvesting time andinitial processing method for Polygonum capitatum herbs from GAP cultivationbase
in order to guide the harvesting and processing of P.capitatum. Method: The content of quercetin
quercitrin
gallic acid and water-soluble extracts fromP.capitatum herbs with different harvesting time
different initial processing for GAP cultivation baseand water-soluble extract was determined by HPLC
and the determination results were assessed by principal component analysis. Result: The synthetic graded value of P.capitatumherbs in later Augustwas 2.093 0
dry in the shadewas 1.723 1.They include the best comprehensive information for the four kinds of index components
and it can be determined that the optimal harvesting time of P.capitatumwas in later August and the best initial processing method of P.capitatum is dry in the shade. Conclusion: The accumulation of the index component from P.capitatum in different periods of growth is regularly
the processing method has a great influence on P.capitatum.
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