Optimization of pectin extraction and antioxidant activities from Jerusalem artichoke | |
Liu, SY; Shi, XJ; Xu, LL; Yi, YT; Yi, YT (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China. ytyi@yic.ac.cn | |
发表期刊 | CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY |
ISSN | 0254-4059 |
2016-03-01 | |
卷号 | 34期号:2页码:372-381 |
关键词 | Jerusalem Artichoke Pectin Response Surface Drying Methods Antioxidant Activities |
DOI | 10.1007/s00343-015-4314-4 |
产权排序 | [Liu Shengyi; Shi Xuejie; Xu Lanlan; Yi Yuetao] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Liu Shengyi; Shi Xuejie] Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China |
作者部门 | 海岸带生物学与生物资源利用所重点实验室 |
英文摘要 | Jerusalem artichoke is an economic crop widely planted in saline-alkaline soil. The use of Jerusalem artichoke is of great significance. In this study, the response surface method was employed to optimize the effects of processing variables (extraction temperature, pH, extraction time, and liquid-to-solid ratio) on the yield of Jerusalem artichoke pectin. Under the optimal extraction conditions: pH 1.52, 63.62 min, 100A degrees C and a liquid-to-solid ratio of 44.4 mL/g, the maximum pectin yield was predicted to be 18.76%. Experiments were conducted under these optimal conditions and a pectin yield of 18.52 +/- 0.90% was obtained, which validated the model prediction. The effects of diff erent drying methods (freeze drying, spray drying and vacuum drying) on the properties of Jerusalem artichoke pectin were evaluated and they were compared with apple pectin. FTIR spectral analysis showed no major structural diff erences in Jerusalem artichoke pectin samples produced by various drying treatments. The antioxidant activities of pectin dried by diff erent methods were investigated using in vitro hydroxyl and DPPH radical scavenging systems. The results revealed that the activities of spray dried pectin (SDP) and apple pectin (AP) were stronger than those of vacuum oven dried pectin (ODP) and vacuum freeze dried pectin (FDP). Therefore compared with the other two drying methods, the spray drying method was the best. |
文章类型 | Article |
资助机构 | National High Technology Research and Development Program of China (863 Program)(2012AA021205) ; National Key Technology R&D Program of China(2011BAC02B04) |
收录类别 | SCI |
语种 | 英语 |
关键词[WOS] | SOY HULL PECTIN ; RESPONSE-SURFACE METHODOLOGY ; RADICAL-SCAVENGING ACTIVITY ; ALCOHOL PRECIPITATION ; FUNCTIONAL-PROPERTIES ; SCHIFF-BASES ; BY-PRODUCT ; IN-VITRO ; POLYSACCHARIDES ; ETHANOL |
研究领域[WOS] | Marine & Freshwater Biology ; Oceanography |
WOS记录号 | WOS:000371607000012 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.yic.ac.cn/handle/133337/10845 |
专题 | 海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室 |
通讯作者 | Yi, YT (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China. ytyi@yic.ac.cn |
作者单位 | 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res 2.Univ Chinese Acad Sci, Coll Resources & Environm |
推荐引用方式 GB/T 7714 | Liu, SY,Shi, XJ,Xu, LL,et al. Optimization of pectin extraction and antioxidant activities from Jerusalem artichoke[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2016,34(2):372-381. |
APA | Liu, SY,Shi, XJ,Xu, LL,Yi, YT,&Yi, YT .(2016).Optimization of pectin extraction and antioxidant activities from Jerusalem artichoke.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,34(2),372-381. |
MLA | Liu, SY,et al."Optimization of pectin extraction and antioxidant activities from Jerusalem artichoke".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 34.2(2016):372-381. |
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