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Paulwolf
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Accession number: 20150900567487 Title: Optimization for ultrasound-microwave assisted extraction of pectin from jujube waste using response surface methodology Authors: Bai, Fengqi1; Wang, Jie1, 2; Guo, Jie1 Author affiliation: 1 College of Food Science and Technology, Agricultural University of Hebei, Hebei Province, Baoding, China 2 Engineering Technology Research Center for Processing of Agricultural Products, Hebei Province, Baoding, China Corresponding author: Wang, Jie Source title: Advance Journal of Food Science and Technology Abbreviated source title: Adv. J. Food Sci. Technol. Volume: 7 Issue: 3 Issue date: 2015 Publication year: 2015 Pages: 144-153 Language: English ISSN: 20424868 E-ISSN: 20424876 Document type: Journal article (JA) Publisher: Maxwell Science Publications Abstract: Optimization of conditions for Jujube pectin extraction was investigated using Response Surface Methodology (RSM). Extraction parameters which are employed in this study are Liquid-Solid Ratio (LSR) (5-15), pH (1.5-2.5), ultrasonic time (10-20 min) and microwave irradiation time (40-60 sec) and they were optimized using a four factor three levels Box-Behnken response surface Design (BBD) coupled with desirability function methodology. The results showed that, all the process variables have significant effect on the yield of pectin. The satisfactory conditions for Jujube pectin extraction were obtained as follows: 10.03 mL/g of LSR, 1.97 of pH of sulfuric, 17.66 min of ultrasonic time and 52.73 sec of microwave irradiation time. Among the studied factors, microwave irradiation time had the greatest influence on yield. Under these conditions, the experimental yield of Jujube pectin was 1.95±0.06%, which is well in close agreement with the value predicted by the model. © Maxwell Scientific Organization, 2015. Number of references: 24 Main heading: Microwave irradiation Controlled terms: Extraction - Irradiation - Microwaves - Surface properties - Ultrasonics Uncontrolled terms: Box-Behnken - Desirability function - Extraction parameters - jujube pectin - Microwave-assisted extraction - Response surface designs - Response surface methodology - Ultrasound-microwave assisted extraction Classification code: 711 Electromagnetic Waves - 711.1 Electromagnetic Waves in Different Media - 753.1 Ultrasonic Waves - 802.3 Chemical Operations - 951 Materials Science Database: Compendex Compilation and indexing terms, © 2015 Elsevier Inc. |
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4楼2015-03-08 17:15:53
Paulwolf
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专家经验: +178 - 应助: 317 (大学生)
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