Use of response surface methodology to optimize the drying conditions of a bioactive ingredient derived from the African opaque sorghum beer

I. B. Chabi; A. P. P. Kayodé; B. P. Agbobatinkpo; A. Adénilé; O. A. Mamadou; G. Vieira-Dalodé; L. Baba-Moussa; J. T. C. Codjia

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Use of response surface methodology to optimize the drying conditions of a bioactive ingredient derived from the African opaque sorghum beer

机译：使用响应面方法优化源自非洲不透明高粱啤酒的生物活性成分的干燥条件

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The present work aims to optimize the heat drying conditions of a bioactive feed ingredient derived from the African opaque sorghum beer. The bioactive ingredient was dried at various temperatures 35 to 50°C and times 5 to 24 h. The effects of the drying conditions on the dry matter, water activity, pH, titratable acidity, bacteriocin, ethanol, lactic acid, yeasts, lactic acid bacteria contents and antimicrobial activity against indicator pathogens (Staphylococcus aureus ATCC 27844, methicillin resistant S. aureus (MRSA), Salmonella typhi R 30951401, Klebsiella pneumoniae ATCC 35657, Escherichia coli ATCC 25922, E. coli O157:H7 ATCC 700728 and Candida albicans MHMR) were studied. Results showed that the temperature was the main factor that affects the bioactivity indicators of the ingredient. The optimal conditions ensuring the best functionality of the ingredient were as follows: Temperature 42°C and drying duration, 24 h. At this optimum condition, water activity (0.49) was low enough to warrant adequate shelf life to the ingredient.

机译：本工作旨在优化衍生自非洲不透明高粱啤酒的生物活性饲料成分的热干燥条件。将生物活性成分在35至50℃的各种温度下干燥5至24小时。干燥条件对干物质，水分活度，pH，可滴定酸度，细菌素，乙醇，乳酸，酵母，乳酸菌含量和对指示性病原体（金黄色葡萄球菌ATCC 27844，耐甲氧西林金黄色葡萄球菌（（MRSA），伤寒沙门氏菌R 30951401，肺炎克雷伯菌ATCC 35657，大肠杆菌ATCC 25922，大肠杆菌O157：H7 ATCC 700728和白色念珠菌（MHMR）。结果表明，温度是影响该成分生物活性指标的主要因素。确保成分最佳功能的最佳条件如下：温度42°C，干燥时间24 h。在此最佳条件下，水分活度（0.49）足够低，足以保证该成分具有足够的保质期。

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《African Journal of Biotechnology》 |2016年第40期|共9页
作者
I. B. Chabi; A. P. P. Kayodé; B. P. Agbobatinkpo; A. Adénilé; O. A. Mamadou; G. Vieira-Dalodé; L. Baba-Moussa; J. T. C. Codjia;
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中图分类生物工程学（生物技术）;
关键词
Bioactive ingredientdryingoptimizationresponse surface methodology;

机译：生物活性成分干燥优化响应面法;

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7. Use of response surface methodology to optimize the drying conditions of a bioactive ingredient derived from the African opaque sorghum beer [O] . B. Chabi I., P. P. Kayodé A., P. Agbobatinkpo B., 2016

机译：响应面方法的使用优化来自非洲不透明高粱啤酒的生物活性成分的干燥条件

Use of response surface methodology to optimize the drying conditions of a bioactive ingredient derived from the African opaque sorghum beer

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