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Outline
Honey is a kind of natural sweet food promoted by honeybee enzyme. It has unique composition,texture, color and flavor, and is an important natural sweetener. However, liquid honey has the characteristics of high viscosity, high hygroscopicity and high water content (about 15%–20%). Therefore, honey is prone to crystallization,fermentation and agglomeration during processing, packaging, transportation and long-term storage, which seriously limits its industrial application. Solidification of honey can solve the problems of storage and transportation. However, due to the high content of low molecular sugars in honey and the low glass transition temperature, honey powder still has the problem of agglomeration. This caking behavior is affected by the composition of raw materials,carrier selection and drying process parameters. In this paper, the physical and chemical properties and agglomeration mechanism of honey powder were systematically expounded. The differences of main preparation processes such as spray drying, freeze drying, microwave vacuum drying and vacuum drying in the preparation of honey powder were compared. Analyzed the mechanism and application effect of anticaking agents such as microcrystalline cellulose,pea protein, calcium silicate and calcium stearate in improving the fluidity of honey powder and inhibiting hygroscopic agglomeration. It was recommended to carry out systematic research in the preparation of honey powder to improve the storage stability and industrial application value of honey powder.
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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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