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| Effects of High Hydrostatic Pressure and Boiling Treatments on the Quality of Tropical Sea Cucumber |
| WU Meiyi, JIAO Wenjuan, ZHAO Tiantian, LIU Jun, ZHOU Fang, LIU Weifeng, ZHANG Yehui, NAN Haijun, CHEN Xiaoying, HUANG Lihua |
| 1. College of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China; 2. Guangdong Key Laboratory of Agricultural Products Processing, Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Sericulture & Agri-food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510610, China; 3. Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510645, China; 4. School of Food Health, Guangzhou City Polytechnic, Guangzhou 510405, China |
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Abstract To enhance the value of tropical sea cucumbers and to address issues such as poor texture and nutrient loss resulting from traditional long-time thermal processing, this study investigated the effects of sequential high hydrostatic pressure (HHP) and boiling on the physicochemical properties, quality characteristics, and microstructure of tropical sea cucumbers. The results showed that with increasing boiling time, the mass loss rate and total sugar content of tropical sea cucumbers decreased, while the hardness and chewiness initially increased and then decreased. For the combination of HHP followed by boiling, as pressure increased, the chewiness and viscosity increased, while the hardness first increased and then decreased. Among all pressures tested, the sample treated with 100 MPa HHP followed by boiling had the lowest chewiness, viscosity, and hardness. For the combination of boiling followed by HHP, as pressure increased, the chewiness decreased, while the hardness and viscosity first increased and then decreased. The sample treated with 500 MPa HHP after boiling exhibited the lowest chewiness, viscosity, and hardness. Compared with tropical sea cucumbers boiled for 30 min, the water content of sea cucumbers subjected to HHP followed by boiling shifted from free water to immobile and bound water, whereas in the samples subjected to boiling followed by HHP, the proportions of immobile and bound water decreased, and the proportion of free water increased. The myofibrils of tropical sea cucumbers treated with HHP followed by boiling became more compact, with smaller pores, leading to better chewiness and protein stability. The different processing sequences significantly affected the textural properties of tropical sea cucumbers (P < 0.05). A comprehensive evaluation of nutritional and quality indices indicated that tropical sea cucumbers processed with HHP followed by boiling had superior nutritional and sensory qualities. The findings provide a reference for the processing of tropical sea cucumbers.
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LI Yali, WANG Xueli, SHI Liu, WU Wenjin, CHEN Sheng, CHEN Lang, GUO Xiaojia, XIONG Guangquan, WANG Lan, SUN Zhida. Effect of a Preservative Mixture Consisting of Chitosan and Chlorogenic Acid Composite on the Eating Quality of Refrigerated Catfish Fillets[J]. Meat Research, 2025, 39(1): 42-50. |
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2025, Vol. 39 
