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Hot Air Drying of Sipunculus nudus: Effect of Microwave-Assisted Drying on Quality and Aroma

文献类型： 外文期刊

作者： Dai, Yaping 1 ; Cao, Yupo 1 ; Zhou, Wei 1 ; Zhu, Donghong 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Key Lab Trop Crop Prod Proc Minist Agr & Rural Aff, Zhanjiang 524001, Peoples R China

2.Hainan Key Lab Storage & Proc Fruits & Vegetables, Zhanjiang 524001, Peoples R China

关键词： Sipunculus nudus; microwave pre-drying; nutritional quality; volatile components; hot air drying

期刊名称：FOODS （ 影响因子：5.2； 五年影响因子：5.5 ）

ISSN：

年卷期： 2023 年 12 卷 4 期

页码：

收录情况： SCI

摘要： The present study aimed to investigate the effect of different microwave pre-drying times under hot-air-drying processes on the quality properties and sensory evaluation of Sipunculus nudus (S. nudus). The colour, proximate analysis, amino acid content, fat oxidation, and volatile components of dried S. nudus were determined. Microwave pre-drying could significantly (p < 0.05) increase the drying rate and shorten the drying time. The results of colour, proximate analysis, and amino acid content indicated that microwave pre-drying could improve the quality of the product, resulting in dried S. nudus with less of a loss in nutrients. The samples that underwent microwave pre-drying had a high degree of fatty acid oxidation and low monounsaturated fatty acid content, which facilitated the formation of volatile components. Additionally, the MAD-2 and MAD-3 groups had high relative contents of aldehydes and hydrocarbons, and the FD group had the highest relative content of esters found in the samples. The relative content of ketones and alcohols did not differ significantly between the different drying groups. The finding of this study has important potential for enhancing the quality and aroma of dry S. nudus products with microwave pre-drying during the drying process.

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