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Objective To explore the quality characteristics and differences among the fruits of 6 kinds of different Prunus salicina L. varieties: Fengtang plum, Candy red plum, Red plum, Jiangan plum, Green red crisp plum and Crisp plum, Qinghong Cuili, and Suli. Methods The nutritional components of Prunus salicina L. fruits were analyzed using liquid chromatography, amino acid analyzer, spectrophotometry, and titration methods, and a quality analysis of different Prunus salicina L. varieties was conducted. Results The study found that the soluble sugar content in Prunus salicina L. fruits was primarily composed of fructose, glucose, and sucrose, with glucose being the highest, followed by fructose or sucrose. The total soluble sugar content, total sugar content, soluble solids, sweetness value, and sugar-acid ratio of Fengtang plum were significantly higher than those of other varieties, which might be the main reason for its sweeter taste. In terms of organic acids, malic acid was the predominant organic acid, accounting for more than 88% of the total, with Candy red plum having the highest malic acid content and Green red crisp plum having the highest total acid content. Amino acid analysis revealed that aspartic acid and proline levels were relatively high, and Candy red plum had the highest total free amino acid content. Green red crisp plum had the highest levels of total flavonoids and vitamin C, while Red plum had the highest vitamin E content. Conclusion The fruit qualities of the 6 plum varieties showes significant differences. This study provides a theoretical foundation and practical guidance for the utilization of quality resources of different plum varieties and the premium strategy for Prunus salicina L. fruits.
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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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