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Objective To comprehensively evaluate Lentinula edodes quality using texture profile analysis (TPA) and compare characteristics across different geographical origins. Methods Using Lentinula edodes from different origins as experimental materials, the TPA model of texture analyzer was used to study the main indicators that affect the texture quality of Lentinula edodes by statistical analysis methods, at the same time, the quality of Lentinula edodes was comprehensively evaluated in combination with the nutrients of Lentinula edodes. Results Statistical analysis showed that among the 7 kinds of index parameters of Lentinula edodes detected by the texture analyzer, principal component 1 mainly included 3 indicators: Chewing ability, adhesiveness and hardness, among which the hardness had the maximum range of correlation. The 3 important indicators of principal component 1-1 in Lentinula edodes were protein, arginine and Ca, among which Ca had the maximum range of correlations. Cluster analysis of 6 important indicators yielded 3 groups of Lentinula edodes. Among them, the third group, which had relatively high values in chewiness, stickiness, hardness, protein and arginine, had a better overall quality. Conclusion This study conductes a comprehensive analysis of the quality of Lentinula edodes based on the TPA method combined with nutrients. The results show that Lentinula edodes in Chengde are good quality and relatively high nutritional content, providing a scientific basis for the further development and utilization of Lentinula edodes.
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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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