Medicinal Plant

2018, v.9(04) 59-61+64

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Application of Multivariate Analysis Method in Evaluation of Quality and Traits of Sichuan Ophiopogon japonicus
Application of Multivariate Analysis Method in Evaluation of Quality and Traits of Sichuan Ophiopogon japonicus

Kunlun LI;Xingguo ZHANG;Shiming PENG;Tong LI;Dezhu LI;

摘要(Abstract):

[Objectives] To study the relationship between the yield and total saponin content of Sichuan Ophiopogon japonicus. [Methods]The multi-indicator function model of Sichuan O. japonicus was established by using the multivariate analysis method and taking the yield of and total saponin content of Sichuan O. japonicus as indicators. [Results] In the multivariate non-linear fitting,the Pearson correlation test was used to reduce the dimension of the model,and the significant correlated variables were rejected,leaving three independent variables: the total fresh weight of the plant( x_1),the fresh weight of the aboveground part(x_2) and the fresh weight of fibrous roots(x_3),established the total saponin( y) function model for Sichuan O. japonicus: y = a_1+a_2x_2+ a_3x_3+ a_4x_1x_2+ a_5x_1x_3+ a_6x_2x_3+ a_7x_1~2+ a_8x_2~2+ a_9x_3~2.[Conclusions]When the total fresh weight of plant,fresh weight of aboveground part and fresh weight of fibrous roots were known in Sichuan O. japonicus root tuber,the total saponin content could be estimated by polynomial of these three variables. The establishment of this functional model system is expected to provide a scientific basis for the scientific prediction of the yield and total saponin content of Sichuan O. japonicus.

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基金项目(Foundation): Supported by Key Sci-Tech Project of Sichuan Provincial Science and Technology Department(2015SZ0035&2015SZ0033)

作者(Author): Kunlun LI;Xingguo ZHANG;Shiming PENG;Tong LI;Dezhu LI;

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