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Zhongning County, Ningxia Hui Autonomous Region is the origin of the authentic Chinese medicinal material " Lycium barbarum ".
Zhongning Lycium barbarum is one of the most advantageous agricultural products in Zhongning County
.
With the development of wolfberry industry, Zhongning wolfberry is facing many problems such as unclear quality connotation
.
Due to the brand effect of Zhongning wolfberry, the price of Zhongning wolfberry is quite different from that of wolfberry in other origins.
Some unscrupulous traders, in order to make huge profits, over-standard the place of origin, shoddy, fake and fake Zhongning wolfberry, which seriously damages Zhongning wolfberry.
brand image and reputation, disrupt the Zhongning wolfberry market and damage the economic interests of farmers
.
Zhongning Lycium barbarum is one of the most advantageous agricultural products in Zhongning County
.
With the development of wolfberry industry, Zhongning wolfberry is facing many problems such as unclear quality connotation
.
Due to the brand effect of Zhongning wolfberry, the price of Zhongning wolfberry is quite different from that of wolfberry in other origins.
Some unscrupulous traders, in order to make huge profits, over-standard the place of origin, shoddy, fake and fake Zhongning wolfberry, which seriously damages Zhongning wolfberry.
brand image and reputation, disrupt the Zhongning wolfberry market and damage the economic interests of farmers
.
In order to establish a method for identifying the origin of wolfberry, in 2017 and 2018, Wang Ying's research group from the South China Botanical Garden of the Chinese Academy of Sciences
.
49 indicators, including stable isotopes, mineral elements, soluble amino acids and sugars , were used to verify the feasibility of origin traceability of wolfberry fruit
.
.
49 indicators, including stable isotopes, mineral elements, soluble amino acids and sugars , were used to verify the feasibility of origin traceability of wolfberry fruit
.
Through variance analysis and heritability analysis, the researchers analyzed the influence of environment (origin), variety, plant age, drying process and collection season on changes in the metabolic content of Lycium barbarum
.
At the same time, principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA) were used to further analyze the wolfberry in different producing areas
.
The analysis results were filtered by S-plot and heritability to finally confirm calcium (Ca), manganese (Mn), ornithine (Orn), cystine (Cys-Cys), glutamic acid (Glu), phenylalanine (Phe), phosphoserine (Ps), serine (Ser), lysine (Lys), taurine (Tau), proline (Pro) and tyrosine (Tyr) can be used as traceability indicators for the origin of wolfberry, and It was re-validated by the sample data collected in 2018
.
This achievement can provide a basis for the origin of wolfberry in the future, and has important strategic significance for developing the wolfberry brand economy, stabilizing and supervising the wolfberry market, and promoting the healthy and rapid development of the Zhongning wolfberry industry
.
.
At the same time, principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA) were used to further analyze the wolfberry in different producing areas
.
The analysis results were filtered by S-plot and heritability to finally confirm calcium (Ca), manganese (Mn), ornithine (Orn), cystine (Cys-Cys), glutamic acid (Glu), phenylalanine (Phe), phosphoserine (Ps), serine (Ser), lysine (Lys), taurine (Tau), proline (Pro) and tyrosine (Tyr) can be used as traceability indicators for the origin of wolfberry, and It was re-validated by the sample data collected in 2018
.
This achievement can provide a basis for the origin of wolfberry in the future, and has important strategic significance for developing the wolfberry brand economy, stabilizing and supervising the wolfberry market, and promoting the healthy and rapid development of the Zhongning wolfberry industry
.
Relevant research results have been recently published in the Journal of Agricultural and Food Chemistry
.
.
Identifying the origin of wolfberry with 49 indexes of wolfberry content
