Full
Outline
To compare the differences of appearance and the physical and chemical properties in Chazhigan (Citrus reticulata 'Chachiensis'), Penggan (Citrus reticulata 'Ponkan'), Wenzhou Migan (Citrus reticulata 'Unshiu') and Quju.
The ultraviolet-visible spectrophotometry was used to detect flavonoids contents in 4 kinds of Chenpi (Citri Reticulatae Pericarpium, CRP). High performance liquid chromatography (HPLC) method was used to test the contents of hesperidin, nobiletin and tangeretin. The volatile oil meter was used to determine the volatile oil content. The hot dip method was used to detect the contents of the alcohol soluble extracts of the samples. The amino acid analyzer was used to analyze the different amino acid contents in the samples. The antioxidant activity was analyzed by DPPH and ABTS+ test, the final combination clustering analysis with TOPSIS test.
For the 4 kinds of CRP, Quzhou advantage varieties Penggan (Citrus reticulata 'Ponkan') and Quju have more flavonoids, nobiletin, tangeretin volatile oil and alcohol soluble extracts than the others. Penggan (Citrus reticulata 'Ponkan') has a higher ABTS+scavenging ability, while Quju has a stronger ability to scavenge DPPH free radicals. Compared with Chazhigan (Citrus reticulata 'Chachiensis'), Penggan (Citrus reticulata 'Ponkan') has higher contents of hesperidin, naringin and hesperidin. The amino acid content of Chazhigan (Citrus reticulata 'Chachiensis') is relatively high. The comprehensive evaluation results show that the overall quality of Penggan (Citrus reticulata 'Ponkan') and Quju is relatively better than that of Penggan (Citrus reticulata 'Ponkan') and Wenzhou Migan (Citrus reticulata 'Unshiu').
The appearance physical and chemical properties of CRP from different cultivars are different. The research results can provide the reference for quality standards enactment, food and medicine value.
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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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