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中国精品科技期刊2020
李苗源,廖红梅. 适用于吞咽障碍人群的低脂、高纤维、高蛋白软凝胶的研制J. 食品工业科技,2026,47(4):97−106. doi: 10.13386/j.issn1002-0306.2025030074.
引用本文: 李苗源,廖红梅. 适用于吞咽障碍人群的低脂、高纤维、高蛋白软凝胶的研制J. 食品工业科技,2026,47(4):97−106. doi: 10.13386/j.issn1002-0306.2025030074.
LI Miaoyuan, LIAO Hongmei. Development of Low Fat, High Fiber and High Protein Soft Gel Suitable in Dysphagia-friendly FoodJ. Science and Technology of Food Industry, 2026, 47(4): 97−106. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2025030074.
Citation: LI Miaoyuan, LIAO Hongmei. Development of Low Fat, High Fiber and High Protein Soft Gel Suitable in Dysphagia-friendly FoodJ. Science and Technology of Food Industry, 2026, 47(4): 97−106. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2025030074.

适用于吞咽障碍人群的低脂、高纤维、高蛋白软凝胶的研制

Development of Low Fat, High Fiber and High Protein Soft Gel Suitable in Dysphagia-friendly Food

  • 摘要: 为了改善吞咽障碍人群营养不良的现状,本研究以乳清蛋白、微晶纤维素、葵花籽油为主要原料,结冷胶和魔芋胶为辅料,采用热诱导法制备了低脂、高纤维、高蛋白的软凝胶。采用质构分析、流变学测试和结构表征多种方法系统分析了凝胶的物理性能,并基于国际吞咽障碍饮食标准(International Dysphagia Diet Standardization Initiative,IDDSI)评估了其作为吞咽障碍人群专用食品的应用潜力。结果表明:以4%~8%乳清蛋白、2%~6%微晶纤维素、1%~3%葵花籽油、2%多糖(结冷胶与魔芋胶复配)的配方所制备的软凝胶表现出良好的成型性、表面光泽度和冷冻-复热耐受性,该软凝胶符合IDDSI 4级要求。在此基础上增加微晶纤维素至4%~6%时,较大量微晶纤维素和葵花籽油通过氢键填充在多糖凝胶网络中,凝胶更加柔软光滑,容易吞咽。综上,本研究制备的低脂、高纤维、高蛋白软凝胶可为吞咽障碍人群提供全新的膳食供给方案,具有良好的应用潜力。

     

    Abstract: In order to improve the current situation of malnutrition in people with dysphagia, a kind of low fat, high fiber and high protein soft gels were developed through a thermal induction method, with whey protein, microcrystalline cellulose, sunflower oil, as well as gellan gum and konjac gum. Besides, the physical properties of the soft gels were analyzed using texture analysis, rheological testing and structural characterization. According to the International dysphagia dietary standard initiative (IDDSI), their application potential as dysphagia-friendly food was evaluated. The results showed that soft gels prepared with 4%~8% whey protein, 2%~6% microcrystalline cellulose, 1%~3% sunflower oil, and 2% polysaccharides (a mixture of gellan gum and konjac gum) exhibit excellent moldability, surface gloss, and freeze-thaw stability, meeting IDDSI Level 4 requirements. Increasing microcrystalline cellulose to 4%~6% resulted in a gel with lower strength and enhanced softness and smoothness, facilitated by the hydrogen bonding of higher amounts of cellulose and oil within the polysaccharide network, making it easier to swallow. Overall, the low-fat, high-fiber, high-protein soft gels developed in this study offer a novel dietary option for individuals with dysphagia and hold significant application potential.

     

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