Effect of ultrasound-assisted osmotic dehydration pretreatment on the drying characteristics and quality properties of Sanhua plum (Prunus salicina L.)
文献类型： 外文期刊
作者： Li, Lu 1 ; Yu, Yangyang 1 ; Xu, Yujuan 1 ; Wu, Jijun 1 ; Yu, Yuanshan 1 ; Peng, Jian 1 ; An, Kejing 1 ; Zou, Bo 1 ; Yang, Wa 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Sericultural & Argifood Res Inst, Guangdong Key Lab Agr Prod Proc, Key Lab Funct Foods,Minist Agr & Rural Affairs, 133 Yiheng St,Dongguanzhuang Rood, Guangzhou 510610, Peoples R China
2.Guangdong Jiabao Grp Co Ltd, Chaozhou 515638, Guangdong, Peoples R China
关键词： Sanhua plum; Ultrasound; Osmotic dehydration; Drying; Quality
期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：4.952； 五年影响因子：5.383 ）
ISSN： 0023-6438
年卷期： 2021 年 138 卷
页码：
收录情况： SCI
摘要： Sanhua plum is difficult to dehydrate because of its epicuticular wax and dense pulp. Therefore, it is necessary to pretreat Sanhua plum to enhance its dehydration efficiency. In this study, ultrasound-assisted osmotic dehydration pretreatment was used for Sanhua plum, and the effect of ultrasound-assisted osmotic dehydration pretreatment on the drying characteristics and quality properties of Sanhua plum was investigated. The results showed that ultrasound pretreatment significantly increased water loss and solid gain of Sanhua plum during osmotic dehydration. Furthermore, Sanhua plum treated with ultrasound-assisted osmotic dehydration showed reduced drying time, improved drying rate, and increased effective water diffusivity. Sanhua plum with low ultrasound intensity treatment exhibited higher antioxidant capacity and total phenolic retention. Textural result indicated that ultrasound treatment could decrease the hardness and chewiness of Sanhua plum. Moreover, ultrasound-treated Sanhua plum improved color retention in comparison with untreated samples. In conclusion, lower ultrasound-intensity pretreatment not only reduced the drying time of Sanhua plum, but also better retained the quality properties of Sanhua plum. This study provides a promising pretreatment for Sanhua plum dehydration.
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