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Position: Home > Articles > Study on thermal decomposition of trimethylamine-N-oxide model systems of shredded squid Science and Technology of Food Industry 2011 (3) 106-108

鱿鱼丝氧化三甲胺热分解模拟体系的研究

作  者:
靳肖;周德庆;孙永
单  位:
中国海洋大学食品科学与工程学院;中国水产科学研究院黄海水产研究所
关键词:
氧化三甲胺;铁;热分解;模拟体系;甲醛
摘  要:
以氧化三甲胺为底物,添加铁(Ⅱ),建立了鱿鱼丝氧化三甲胺体外模拟体系,研究了加热温度、加热时间和pH对氧化三甲胺(TMAO)热分解作用的影响,同时与鱿鱼丝水提液中氧化三甲胺热分解规律进行对比。结果表明,随着温度升高,氧化三甲胺热分解反应越剧烈;在加热30min后,甲醛(FA)和二甲胺(DMA)的生成量基本稳定;当pH为5.0时,铁(Ⅱ)对氧化三甲胺热分解的促进作用最明显,为今后研究控制非酶途径产生甲醛提供理论参考和技术支持。
译  名:
Study on thermal decomposition of trimethylamine-N-oxide model systems of shredded squid
作  者:
JIN Xiao1,2,ZHOU De qing2,*,SUN Yong2 (1. College of Food Science and Engineering,Ocean University of China,Qingdao 266003,China; 2. Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266071,China)
关键词:
trimethylamine N oxide;iron;thermal decomposition;model system;formaldehyde
摘  要:
With trimethylamine N oxide(TMAO) as substrates with iron(Ⅱ),the trimethylamine N oxide model system of shredded squid was established. Effects of heating temperature,heating time and pH on thermal decomposition of the model system and water extraction of TMAO from shredded squid were studied and compared. The results showed that with the temperature increased,the reaction of thermal decomposition of trimethylamine N oxide was severe. After heating for 30min,the content of formaldehyde(FA) and dimethylamine(DMA) remained stable. When pH value was 5. 0,Fe2+ could promote the thermal decomposition of trimethylamineN oxide most obviously. It was expected to provide theory reference and technical support for controlling the formaldehyde in non enzymatic pathway.

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