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Objective: To explore the growth trend of volatile components in hawthorn fruit at different growth stages. Methods: The volatile components in hawthorn fruits at different growth stages were quantitatively and qualitatively analyzed by gas chromatography-mass spectrometry (GC-MS), and their dynamic changes were investigated and statistically analyzed. The chromatographic column used was HP-5 (30 m×0.32 mm, 0.25 μm),while the column temperature was programmed (initial temperature 60 ℃, increased to 250 ℃ at a rate of 10 ℃ · min-1,maintained for 33 min), and the inlet temperature was 280 ℃. The ion source was an electron bombardment source(EI), with an ion source temperature of 230 ℃. Results: A total of 57 representative volatile components were detected,of which 16 components disappeared in the later stage of growth, and 12 components were not present in the early stage of growth. The content of 11-decyl-tetracosane was the highest and gradually increased, and the content of hexadecyl acrylate gradually decreased. Conclusion: The investigation of the dynamic changes of volatile components in hawthorn fruit during the growth period provides a reference for further rational development and utilization of hawthorn fruit.
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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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