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中国精品科技期刊2020
陶彩艳,邓紫玙,邓乾春,等. 干法脱胶对亚麻籽植物乳稳定性和营养特性的影响[J]. 食品工业科技,2024,45(18):202−209. doi: 10.13386/j.issn1002-0306.2023110150.
引用本文: 陶彩艳,邓紫玙,邓乾春,等. 干法脱胶对亚麻籽植物乳稳定性和营养特性的影响[J]. 食品工业科技,2024,45(18):202−209. doi: 10.13386/j.issn1002-0306.2023110150.
TAO Caiyan, DENG Ziyu, DENG Qianchun, et al. Effect of Dry Degumming on the Stability and Nutritional Properties of Flaxseed Plant Milk[J]. Science and Technology of Food Industry, 2024, 45(18): 202−209. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2023110150.
Citation: TAO Caiyan, DENG Ziyu, DENG Qianchun, et al. Effect of Dry Degumming on the Stability and Nutritional Properties of Flaxseed Plant Milk[J]. Science and Technology of Food Industry, 2024, 45(18): 202−209. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2023110150.

干法脱胶对亚麻籽植物乳稳定性和营养特性的影响

Effect of Dry Degumming on the Stability and Nutritional Properties of Flaxseed Plant Milk

  • 摘要: 为探究亚麻籽胶对亚麻籽植物乳的稳定性、营养特性的影响,本研究对亚麻籽进行干法脱胶,并全面探究了不同脱胶率对亚麻籽植物乳营养素溶出和稳定性的影响,对不同样品的粒径、zeta电位、粘度、Turbiscan稳定性指数、流变性能、微观结构、总固形物含量、总酚含量和蛋白含量进行了测定和分析。结果表明,与未脱胶的亚麻籽所制亚麻籽乳相比,脱胶后亚麻籽乳的电位绝对值增大且粒径、稳定性指数和粘度均变小,其中脱胶率为4.0%的亚麻籽植物乳电位绝对值由26.72 mV增大至29.60 mV,D4,3由34.90 μm减小至22.60 μm,粘度降低了9.95%,且表现出剪切稀化行为,液滴分布均匀。脱胶率为6.30%的亚麻籽植物乳的总固形物含量提高了5.03%,达到7.73 g/100 mL,蛋白含量提高了18.78%,达到2.15 g/100 mL,表明亚麻籽经适度脱胶后能够提高亚麻籽植物乳的稳定性,促进蛋白质等营养素溶出,相关研究结果为亚麻籽高值化、全值化加工利用提供参考依据。

     

    Abstract: To explore the effect of flaxseed gum on the stability and nutritional characteristics of flaxseed milk. The degummed flaxseeds were obtained by dry method, and the effects of different degumming rates on the nutrient release and the stability of flaxseed milk were comprehensively investigated. The particle size, zeta potential, viscosity, turbiscan stability index, rheological properties, microstructure, total solids content, total phenol content and protein content of different samples were measured and analyzed. The results showed that the absolute potential value of flaxseed milk increased and the particle size, stability index and viscosity decreased after degumming. With a degumming rate of 4.0%, the absolute potential value of flaxseed milk increased from 26.72 mV to 29.60 mV, the D4,3 decreased from 34.90 μm to 22.60 μm, and the viscosity was reduced by 9.95%, it showed a shear thinning behavior, and the droplet distribution was uniform. With a degumming rate of 6.30%, the total solids content and the protein content of flaxseed milk reached 7.73 g/100 mL and 2.15 g/100 mL, with an increase of 5.03% and 18.78%, respectively. These results indicated that moderate degumming facilitate the stability and the protein release of flaxseed milk. The research provides a reference for high-value processing and utilization of flaxseed.

     

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