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中国精品科技期刊2020
王紫鑫,谭苗苗,陈敬鑫,等. γ-谷维素+β-谷甾醇基凝胶油对金线鱼鱼糜凝胶和体外消化特性的影响J. 食品工业科技,2026,47(18):1−10. doi: 10.13386/j.issn1002-0306.2025080291.
引用本文: 王紫鑫,谭苗苗,陈敬鑫,等. γ-谷维素+β-谷甾醇基凝胶油对金线鱼鱼糜凝胶和体外消化特性的影响J. 食品工业科技,2026,47(18):1−10. doi: 10.13386/j.issn1002-0306.2025080291.
WANG Zixin, TAN Miaomiao, CHEN Jingxin, et al. Effect of γ-Oryzanol+β-Sitosterol-based Oleogels on the Gel and Digestive Properties of Nemipterus virgatus SurimiJ. Science and Technology of Food Industry, 2026, 47(18): 1−10. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2025080291.
Citation: WANG Zixin, TAN Miaomiao, CHEN Jingxin, et al. Effect of γ-Oryzanol+β-Sitosterol-based Oleogels on the Gel and Digestive Properties of Nemipterus virgatus SurimiJ. Science and Technology of Food Industry, 2026, 47(18): 1−10. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2025080291.

γ-谷维素+β-谷甾醇基凝胶油对金线鱼鱼糜凝胶和体外消化特性的影响

Effect of γ-Oryzanol+β-Sitosterol-based Oleogels on the Gel and Digestive Properties of Nemipterus virgatus Surimi

  • 摘要: 为研究γ-谷维素+β-谷甾醇基凝胶油对金线鱼鱼糜凝胶和体外消化特性的影响,利用不同不饱和度的植物油(大豆油、芝麻油、玉米油、亚麻籽油、山茶油)与γ-谷维素+β-谷甾醇制备凝胶油,比较了不同植物油和凝胶油对鱼糜凝胶强度、持水性、体外蛋白质消化率和消化产物抗氧化能力的影响。结果表明,植物油的添加降低了鱼糜的凝胶强度、持水性和体外消化率,提高了体外消化产物的粒径。然而,相比于植物油组,添加凝胶油的鱼糜凝胶强度、持水性和体外消化产物的抗氧化能力显著(P<0.05)增加。此外,凝胶油的添加能够促进鱼糜形成更加致密均匀的凝胶网络结构,减少了肌原纤维蛋白与蛋白酶的结合位点,降低了蛋白质的消化。其中,添加亚麻籽油基凝胶油的鱼糜凝胶强度和消化率最高,分别为3936.067 g·mm和75.89%,其消化液中还含有较多的α-亚麻酸、EPA、DHA等对人体有益的脂肪酸。因此,利用γ-谷维素+β-谷甾醇将亚麻籽油凝胶化后添加到鱼糜中可明显改善鱼糜的凝胶品质,增强其营养价值。

     

    Abstract: In order to investigate the effect of γ-oryzanol+β-sitosterol-based oleogels on gel and in vitro digestive characteristics of surimi, oleogels were prepared using different unsaturated vegetable oils (soybean oil, sesame oil, corn oil, flaxseed oil, camellia oil) and γ-oryzanol+β-sitosterol. The effects of different vegetable oils and oleogels on gel strength, water holding capacity, in vitro protein digestibility and antioxidant capacity of surimi were compared. The results showed that the addition of vegetable oil reduced the gel strength, water holding capacity and in vitro digestibility of surimi, and increased the particle size of in vitro digestion products. However, the strength, water holding capacity and antioxidant capacity of surimi gel added with oleogels significantly increased compared to the corresponding vegetable oil group. In addition, the addition of oleogels could promote the formation of a more compact and uniform gel network structure, reduce the binding site of myofibrillar protein and protease, and decrease the protein digestion. Among them, the strength and digestibility of surimi gel added with flaxseed oil-based oleogels were the highest, which were 3936.067 g·mm and 75.89%, respectively. The digestive fluid also contained more beneficial fatty acids to human body, such as α-linolenic acid, EPA, DHA. Therefore, the flaxseed oil gelatinized using γ-oryzanol+β-sitosterol can be added to surimi to improve the gel quality and enhance nutritional value of surimi products.

     

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