Interactions of dietary fiber bound antioxidants with hydroxycinnamic and hydroxybenzoic acids in aqueous and liposome media.
Interactions of dietary fiber bound antioxidants with hydroxycinnamic and hydroxybenzoic acids in aqueous and liposome media.
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DOI：
10.1016/j.foodchem.2018.11.068
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发表时间：
2019-04
期刊：
影响因子：
8.8
通讯作者：
E. Çelik;J. M. Rubio;M. Andersen;V. Gökmen
中科院分区：
文献类型：
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作者：
E. Çelik;J. M. Rubio;M. Andersen;V. Gökmen
研究了膳食纤维（DF）结合抗氧化剂与游离抗氧化剂之间的相互作用，以及它们芳香环上-OH和-OCH 3基团的不同取代模式。这些相互作用的活性和效率进行了检查与结构的方法。在实验研究中使用了全麦（WW）DF结合的抗氧化剂和21羟基肉桂酸/羟基苯甲酸（HCA/HBA）。在脂质体和水介质中进行研究，通过监测脂质氧化和清除DPPH自由基的存在下，WW-bound的抗氧化剂和HCA/HBA衍生物。在水性介质中观察到主要的协同相互作用，而在脂质体介质中观察到协同和拮抗相互作用。混合物中HCA/HBA和WW-bound抗氧化剂的浓度及其双向相互作用对脂质氧化和自由基清除反应有显着影响，但也有例外。3，4-二羟基苯基取代的HCA/HBA衍生物在脂质体介质中表现出较强的抗氧化活性，而-OH基团的数目影响其在水介质中的抗氧化活性。
The interactions between dietary fiber (DF)-bound antioxidants and free antioxidants, with different substitution patterns of –OH and –OCH3groups on their aromatic rings has been investigated. The activity and efficiency of these interactions were examined with a structural approach. Whole wheat (WW) DF-bound antioxidants and 21 hydroxycinnamic acid/hydroxybenzoic acids (HCA/HBA) were used in the experimental studies. Studies were performed in liposome and aqueous media by monitoring lipid oxidation and scavenging of DPPH radical in the presence of WW-bound antioxidants and HCA/HBA derivatives. Predominantly synergistic interactions were observed in aqueous medium, while both synergistic and antagonistic interactions were seen in liposome medium. Concentrations of HCA/HBA and WW-bound antioxidants in mixtures and their 2-way interactions made significant effect on lipid oxidation and radical scavenging reactions, with some exceptions. HCA/HBA derivatives with 3 ,4 -dihydroxyphenyl substitution acted as strong antioxidants in liposome medium, while the number of –OH groups affected antioxidant activity in aqueous medium.