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中国精品科技期刊2020
高酰基结冷胶与κ-卡拉胶复配胶的质构特性研究[J]. 食品工业科技, 2012, (22): 159-161. DOI: 10.13386/j.issn1002-0306.2012.22.051
引用本文: 高酰基结冷胶与κ-卡拉胶复配胶的质构特性研究[J]. 食品工业科技, 2012, (22): 159-161. DOI: 10.13386/j.issn1002-0306.2012.22.051
Texture properties of high acyl gellan and κ-carrageenan mixed gels[J]. Science and Technology of Food Industry, 2012, (22): 159-161. DOI: 10.13386/j.issn1002-0306.2012.22.051
Citation: Texture properties of high acyl gellan and κ-carrageenan mixed gels[J]. Science and Technology of Food Industry, 2012, (22): 159-161. DOI: 10.13386/j.issn1002-0306.2012.22.051

高酰基结冷胶与κ-卡拉胶复配胶的质构特性研究

Texture properties of high acyl gellan and κ-carrageenan mixed gels

  • 摘要: 用抗压实验和全质构测试对高酰基结冷胶(HA)与κ-卡拉胶(CA)复配胶的凝胶强度、形变性以及硬度进行分析。研究了Ca2+、Mg2+、K+、Na+四种离子以及HA与CA的质量比对复配胶质构特性的影响。实验中,总胶浓度控制为1%(w/v),离子浓度为2~80mmol/L,HA和CA的质量比为25:75、50:50、75:25。结果表明,二价离子较一价离子作用效果显著,其中Ca2+效果最为显著,复配胶在HA:CA=75:25时有显著的协同作用,HA与CA的复配胶有着较强的形变性。 

     

    Abstract: Compression tests and texture profile analysis (TPA) were used to test the strength, deformability and hardness of mixed gels with high acyl gellan and κ-carrageenan.The influences of Ca2+, Mg2+, K+, Na+ and different HA∶CA ratios on the texture properties of the mixed gels were investigated.The total polymer concentrations of the gels in our study were all at 1% (w/v) .Ion concentrations of the samples were set as 2~80mmol/L, and the ratios of HA∶CA were 25∶75, 50∶50 and 75∶25.The result showed that divalent cations significantly influenced the texture of the mixed gels compared with monovalent cations, and Ca2+ was the most effective cations in the study.The strongest synergistic interaction occurred when the ratio of HA∶CA was 75∶25 and the mixed gels of high acyl gellan and κ-carrageenan had a good deformability.

     

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