Full
Outline
To enhance the utilization efficiency of the residual fruit residues after the fermentation of Actinidia chinensis residue, develop a new types of solid-state fermented liquors, and analyze the characteristics and differences of its volatile organic compounds (VOCs).
Using sorghum and Actinidia chinensis residue as raw materials, a new types of liquor was brewed by mixed fermentation based on the brewing process of Xiaoqu light-aroma type Baijiu. The VOCs characteristics and differences of mixed fermentation liquor fermented from Actinidia chinensis residue were analyzed via sensory evaluation, electronic nose, gas chromatography with flame ionization detector, and headspace solid-phase microextraction-gas chromatography-mass spectrometry.
The mixed fermentation liquor fermented from Actinidia chinensis residue had the sensory flavor of traditional Xiaoqu light-aroma type Baijiu and a pleasant aroma of Actinidia chinensis. Additionally, the total acid content of mixed fermentation liquor fermented from Actinidia chinensis residue was similar to that of traditional Xiaoqu light-aroma type Baijiu, and a total of 102 kinds of VOCs were detected in mixed fermentation liquor fermented from Actinidia chinensis residue. The variable importance in projection (VIP) values of the partial least squares discrimination analysis model were used to screen out 27 kinds of key differentiating compounds (VIP>1), including hexadecanoic acid ethyl ester, dodecanoic acid ethyl ester,acetic acid and decanoic acid ethyl ester, etc.
This study analyzes the characteristics and differences of VOCs in mixed fermentation liquor fermented from Actinidia chinensis residue, and provides a reference for the development of new liquor products and the comprehensive utilization of fruit residues.
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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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