WEN Niting,YANG Changgui,ZHOU Tao,et al.Comprehensive evaluation of the quality of Houttuynia cordata from different producing areas[J].ZHONGGUO YAOFANG,2024,35(04):425-429.
WEN Niting,YANG Changgui,ZHOU Tao,et al.Comprehensive evaluation of the quality of Houttuynia cordata from different producing areas[J].ZHONGGUO YAOFANG,2024,35(04):425-429. DOI: 10.6039/j.issn.1001-0408.2024.04.08.
Comprehensive evaluation of the quality of Houttuynia cordata from different producing areas
Using total flavonoids, water-soluble extract, moisture, total ash and acid-insoluble ash as indicators, the entropy weight method was used to objectively weigh each indicator, and the relative correlation degree (
r
i
) calculated by grey correlation method was used as a measure to comprehensively evaluate the quality of
H. cordata
.
RESULTS
2
The weights of total flavonoids, total ash, moisture, acid-insoluble ash, and water-soluble extract were 0.295 5, 0.227 3, 0.188 7, 0.145 1, and 0.143 4, respectively. The weights of total flavonoids and total ash were relatively large. The
r
i
of 30 batches of
H. cordata
ranged from 0.233 2 to 0.673 9; the average
r
i
of samples from Quanzhou County and Ziyuan County of Guangxi Zhuang Autonomous Region were the highest, which were 0.638 3 and 0.598 7, respectively, followed by samples from Lingchuan County of Guangxi Zhuang Autonomous Region (0.556 1) and Jianshui County of Yunnan Province (0.452 8). The quality of medicinal materials produced in the above producing areas was generally good and stable.
CONCLUSIONS
2
Entropy weight method combined with the grey correlation method can be used to comprehensively evaluate the quality of
H. cordata
. The overall quality of
H. cordata
produced in Quanzhou County of Guangxi Zhuang Autonomous Region is the best.
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