Correlation of Four Active Ingredients with Ecological Factors in Cynomorium songaricum from Different Regions of Hexi,Gansu
The correlation between four active components and ecological factors of Cynomorium songaricum from different producing areas in the Hexi region of Gansu Province was studied.Methods:The ecological information,including latitude,lon-gitude,altitude,temperature,and precipitation,of Cynomorium songaricum from nine different producing areas in the Hexi re-gion of Gansu Province was collected.The contents of gallic acid,protocatechuic acid,catechin,and phlorizin in Cynomorium songaricum from different origins were determined using high-performance liquid chromatography.The correlation between these active ingredients and the ecological factors was analyzed.Results:Significant differences were observed in the contents of the four active ingredients in Cynomorium songaricum from different producing areas.The content of gallic acid ranged from 0.056 to 0.453 mg/g,protocatechuic acid ranged from 0.010 to 0.058 mg/g,catechins ranged from 2.813 to 6.751 mg/g,and phlorizin ranged from 0.056 to 0.178 mg/g.Conclusion:Precipitation during the warmest season,average annual precipitation,precipita-tion during the wettest month,and precipitation during the wettest season were the main ecological factors affecting the content of catechins in Cynomorium songaricum.Precipitation was significantly negatively correlated with catechin content,while tempera-ture showed a significant positive correlation.No significant correlation was found between other active components and ecologi-cal factors.
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