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《Journal of Beijing University of Agriculture》 2018-03
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The correlation and regression analysis of anthocyanin concentrations and color parameters in purple lettuce

WANG Lu;LIU Chaojie;QI Zhengyang;LI Bingyan;JIN Wentian;HAN Yingyan;HAO Jinghong;FAN Shuangxi;Beijing Key Laboratory of New Technology in Agricultural Application,Plant Science and Technology College,Beijing University of Agriculture;  
【Objective】To establish a fast method for determining anthocyanin content in purple lettuce.【Methods】Four purple lettuce cultivars were selected as material,and the anthocyanin contentand color difference were analyzed using spectrophotometer and colorimeter.Correlation and regression analysis between the color difference parameters and content of anthocyanin was conducted.【Result】The results showed that highest content of anthocyanin was detected in Z14,while the lowest in Z38.Significant correlations were occurred between all the color difference parameters and content of anthocyanin except for h.Regression equation were established between anthocyanin content and five color difference parameters respectively.The correlation coefficient of regression equation between H and anthocyanin content was the highest(0.806).【Conclusion】Anthocyanin concentration in purple lettuce can be quickly determined by measuring color difference parameters using a colorimeter.
【Fund】: 国家自然科学基金项目(31372057);; 北京农学院教育教学改革项目(BUA2017JG030);北京农学院学位与研究生教育改革与发展项目;; 北京市创新团队叶类蔬菜团队建设专项项目(blvt-02)
【CateGory Index】: S636.2
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