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中国精品科技期刊2020
康捷, 郝建雄, 刘海杰. 强酸性电生功能水提高鲜切莲藕品质的研究[J]. 食品工业科技, 2016, (13): 335-339. DOI: 10.13386/j.issn1002-0306.2016.13.061
引用本文: 康捷, 郝建雄, 刘海杰. 强酸性电生功能水提高鲜切莲藕品质的研究[J]. 食品工业科技, 2016, (13): 335-339. DOI: 10.13386/j.issn1002-0306.2016.13.061
KANG Jie, HAO Jian-xiong, LIU Hai-jie. Maintaining the quality of fresh- cut lotus root by using strong acidic electrolyzed water[J]. Science and Technology of Food Industry, 2016, (13): 335-339. DOI: 10.13386/j.issn1002-0306.2016.13.061
Citation: KANG Jie, HAO Jian-xiong, LIU Hai-jie. Maintaining the quality of fresh- cut lotus root by using strong acidic electrolyzed water[J]. Science and Technology of Food Industry, 2016, (13): 335-339. DOI: 10.13386/j.issn1002-0306.2016.13.061

强酸性电生功能水提高鲜切莲藕品质的研究

Maintaining the quality of fresh- cut lotus root by using strong acidic electrolyzed water

  • 摘要: 以鲜切莲藕为试材,研究了强酸性电生功能水对鲜切莲藕表面微生物的杀灭作用及抑制酶促褐变效果,探究了强酸性电生功能水的有效氯浓度、贮藏时间、贮藏温度对其抑制褐变效果的影响,进一步考察几种不同清洗方式处理的莲藕切片在贮藏期间的色差值变化。结果表明:贮藏温度为4℃条件下,与对照组比,不同处理液均能显著(p<0.05)抑制鲜切莲藕的酶促褐变,其中p H3.0、有效氯浓度(ACC)40 ppm的强酸性电生功能水浸泡处理15 min,能最好保持鲜切莲藕的色泽品质,最大程度地抑制褐变反应。贮藏两周后,对照组褐变度(L*值)下降了45.0%以上,色泽变暗,而经强酸性电生功能水处理的莲藕其褐变度值保持最高,下降了约30.0%,且表面微生物数量减少最多,减少了42.9%,很好的保护了鲜切莲藕的色泽,提高产品品质。 

     

    Abstract: To explore the effect of strong acidic electrolyzed water( Ac EW) inhibiting enzymatic browning and on total microbial count on fresh- cut lotus root slices. The aviliable chiorine concentration( ACC) of strong acidic electrolyzed water( Ac EW),storage time and storage temperature on the influence of the effect of inhibiting browing and further investigate several cleaning method processing of fresh- cut lotus slices in color different values during storage time were explored.The results showed that under the condition of 4 ℃ storage temperature,compared to no treatment,all of cleaning treatments can significantly( p < 0.05) inhibit enzymatic browning of fresh- cut lotus root slices.When the aviliable chiorine concentration( ACC) was 40 ppm,the processing time was15 min,the strong acidic electrolyzed water can maximum keep the quality and inhibit enzymatic browning of fresh- cut lotus.After storage two weeks,the browning degree of control group( L*) decreased by more than 45.0%,while the fresh- cut lotus with the treatment of strong acidic electrolyzed water( Ac EW) had the higest L*value,reduced less than 30.0%.And the number of microorganisims decreased by 42.9%,the most too. Which conclude the strong acidic electrolyzed water( Ac EW) could be a useful approach to enhance the edible safety of fresh- cut lotus and improve product quality.

     

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