热泵干燥北极虾的物理和感观特性研究

来源 :农业工程学报 | 被引量 : 0次 | 上传用户:Cgsking
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
对分别在(-2~0)℃和20℃两种温度下热泵干燥北极虾(整虾、去头北极虾、去壳北极虾)的物理和感官特性进行了研究.结果显示,当热泵干燥温度由(-2~0)℃增加到20℃时,干燥虾的收缩率和所需的剪切力增大.干燥温度对干燥虾的色泽影响不显著.所有热泵干燥虾均具有高的复水能力和水分保持能力(WHC).研究结果还显示,虾的处理状态(有壳或无壳、有头或无头、解冻处理)对其物理和感官特性有着显著影响.解冻处理不利于虾色泽的保持并使之收缩增加.在所有的干燥虾样品中,在20℃下干燥的冷冻去头虾(B-2)具有最好的综合表现.与热风干燥相比,利用热泵干燥虾可获得高质量干燥产品.
其他文献
Two new acetylated kaempferol glycosides were isolated from the seeds of Camellia semiserrata Chi, their structures were elucidated as kaempferol-3-O-[(3-0-acet
Background Diffusion-weighted imaging has been widely used to differentiate the character of lymphadenopathy. But there are significant differences between pri
In many plants, sucrose transporters are essential for both sucrose exports from sources and imports into sinks, indicating a function in assimilate partitionin
Background Alveolar echinococcosis (AE) is a disease in human and animals, and the cure rate is unsatisfactory. This study aimed to investigate the curative eff
Background Data of classical inborn errors of metabolism (IEM) of amino acids,organic acids and fatty acid oxidation are largely lacking in Hong Kong,where mass
The application of recombinant DNA technology has resulted in many insect-resistant varieties by genetic engineering (GE). Crops expressing Cry toxins derived f
Background The common γ chain (γc) plays a critical role in regulating proliferation, differentiation, and apoptosis of peripheral T-cells. It was previously
The Royal Military College of Canada,located on the north eastern shore of Lake Ontario,possesses an abundance of copper roofs and lacks surface water treatment
Electro-hydraulic impulse water-air mixing jet by which the quality of metal materials can be improved is described in this paper. The experimental results prov
The reproduction characteristics of 343 sows in six different breeding groups were analyzed to estimate the crossbreeding parameters. The results indicated that