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Objective To optimize the process of spray drying pomelo powder and the formula of compound pomelo tea powder. Methods This study focused on optimizing the de-bittering process of pomelo peel powder and the spray drying parameters of pomelo powder, using sensory evaluation as key indicators. Subsequently, compound pomelo tea powder was made using maltodextrin, spray-dried pomelo pulp powder, pomelo outer peel powder, anhydrous citric acid, white sugar, and jasmine tea powder as raw materials. The formulation and production process of the compound pomelo tea powder were optimized through single-factor experiments and orthogonal experiments, with dispersibility and sensory evaluation serving as the key indicators. Results The optimal de-bittering process was achieved by treating pomelo peel in a water bath at 50 ℃ for 40 minutes with the addition of 1.8% β-cyclodextrin. The spray drying parameters were optimized with an inlet temperature of 160 ℃, an outlet temperature of 60 ℃, a feed flow rate of 2 mL/min, an air velocity of 3 m³/min, and an air pressure of 0.1 MPa. The final formulation of compound pomelo tea powder included 0.6% of pomelo pulp powder, 0.2% of pomelo outer peel powder, 0.1% of jasmine tea powder, 5% of sugar, 0.05% of anhydrous citric acid, and 0.4% of maltodextrin. The optimized product demonstrated excellent dispersibility 13.19 s, a high sensory evaluation score 76.3, and an overall score of 97.45, while retaining the distinct aroma of pomelo and the flavor of jasmine tea. Conclusion This process offers a promising approach for the industrial production of high-quality compound beverages.
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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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