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中国精品科技期刊2020
赵一迪,刘媛,张凯,等. 响应面法优化微酸性电生功能水萌发苦荞芽工艺及其富硒规律研究[J]. 食品工业科技,2024,45(17):1−8. doi: 10.13386/j.issn1002-0306.2023080010.
引用本文: 赵一迪,刘媛,张凯,等. 响应面法优化微酸性电生功能水萌发苦荞芽工艺及其富硒规律研究[J]. 食品工业科技,2024,45(17):1−8. doi: 10.13386/j.issn1002-0306.2023080010.
ZHAO Yidi, LIU Yuan, ZHANG Kai, et al. Study on the Optimization of Germination of Tartary Buckwheat with Slightly Acidic Electrolyzed Water by Response Surface Methodology and Its Selenium-enriched Rules[J]. Science and Technology of Food Industry, 2024, 45(17): 1−8. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2023080010.
Citation: ZHAO Yidi, LIU Yuan, ZHANG Kai, et al. Study on the Optimization of Germination of Tartary Buckwheat with Slightly Acidic Electrolyzed Water by Response Surface Methodology and Its Selenium-enriched Rules[J]. Science and Technology of Food Industry, 2024, 45(17): 1−8. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2023080010.

响应面法优化微酸性电生功能水萌发苦荞芽工艺及其富硒规律研究

Study on the Optimization of Germination of Tartary Buckwheat with Slightly Acidic Electrolyzed Water by Response Surface Methodology and Its Selenium-enriched Rules

  • 摘要: 为探究不同pH、有效氯浓度(Available Chlorine Contents,ACC)的微酸性电生功能水(Slightly Acidic Electrolyzed Water,SAEW)萌发条件对发芽苦荞的影响规律,以发芽率为考察指标,通过单因素和响应面试验优化微酸性电生功能水萌发苦荞芽工艺;为获得总硒含量高且品质优良的富硒苦荞芽,以总硒含量和发芽率为考察指标,在微酸性电生功能水萌发基础上,研究了不同亚硒酸钠浓度对苦荞发芽的影响。结果表明,最佳工艺参数为:浸泡时间为2.3 h,pH为6.5,萌发温度为21 ℃,萌发时间为108 h,在该条件下发芽率为84.96%,与响应面预测值(85.36%)接近,相比蒸馏水组提高了14.3%,比自来水组提高了11.71%。优选的Na2SeO3溶液浓度为60 mg/L,苦荞芽的总硒含量为15.5 mg/L且发芽率为85.63%,高于响应面优化预测值且高于苦荞发芽实际值。本研究为微酸性电生功能水和富硒处理萌发苦荞芽产品的开发提供了理论基础和科学依据。

     

    Abstract: To explore the influence of slightly acidic electrolyzed water (SAEW) with different pH and available chlorine contents (ACC) on the germination of tartary buckwheat (Fagopyrum tataricum), the germination rate was taken as the index, and the germination process of tartary buckwheat sprouts with SAEW was optimized by single factor and response surface experiments. Moreover, to obtain good quality selenium-enriched tartary buckwheat sprouts, the effects of different Na2SeO3 concentrations on tartary buckwheat were studied on the basis of SAEW germination, with the total selenium content and germination rate as indexes. The optimum technological parameters were determined as follows: soaking time, 2.3 h; pH6.5; germination temperature, 21 °C; and germination time, 108 h. Under these conditions, the germination rate was 84.96%, which was close to the predicted value of the response surface group (85.36%), being 14.3% and 11.71% higher than those of distilled water and tap water groups, respectively. The optimal concentration of Na2SeO3 was 60 mg/L, under which the total selenium content of tartary buckwheat sprouts was 15.5 mg/L, and the germination rate was 85.63%, which were both higher than the predicted and actual values of response surface group. This study provided a theoretical and scientific basis for the development of SAEW and selenium-enriched treatment of tartary buckwheat sprouts.

     

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