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Outline
To comparatively analyze the differences in phenolic substance content among 3 varieties of Lycium barbarum from different production areas in Ningxia.
A total of 36 Lycium barbarum samples of Ningqi No.1, Ningqi No.7 and Keqi No.608 from different production areas in Ningxia were collected. The differences in the content of flavonoids, phenolic acids, carotenoids and betaine in Lycium barbarum were monitored and analyzed, and identification model of Lycium barbarum from different production areas based on phenolic substances was constructed.
The flavonoids, phenolic acids, carotenoids and betaine in Ningqi No.1 Lycium barbarum from different production areas showed significant differences (P<0.05) among 4 production areas. The content of phenolic substances in the Hongshibao production area was significantly higher than that in other production areas. The flavonoids, carotenoids and betaine in Ningqi 7 Lycium barbarum showed significant differences among the 5 production areas. The content of phenolic substances in the Hongshibao production area was significantly higher than that in the other production areas. The flavonoids, phenolic acids and betaine in Keqi 608 Lycium barbarum showed significant differences among the 3 production areas. The content of phenolic substances in the Zhongning production area was significantly higher than that in other production areas. An identification model of Lycium barbarum from different production areas based on the orthogonal partial least squares discriminant analysis discriminant analysis method was established, and its overall correct discrimination rate was 100%.
There are significant differences in the content of phenolic substances among Lycium barbarum from different production areas in Ningxia. This study provides a reference basis for the development of functional components of Lycium barbarum and the comprehensive quality evaluation of Lycium barbarum from different production areas.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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