Optimization of ultrasonic extraction process of polysaccharides from Ornithogalum Caudatum Ait and evaluation of its biological activities
文献类型：期刊论文
| 作者 | Chen RZ ; Li Y ; Dong H ; Liu ZQ ; Li SZ ; Yang SM ; Li XL |
| 刊名 | ultrasonics sonochemistry
 |
| 出版日期 | 2012 |
| 卷号 | 19期号:6页码:1160-1168 |
| 关键词 | RADICAL SCAVENGING ACTIVITY WATER-SOLUBLE POLYSACCHARIDES ASSISTED EXTRACTION ANTIOXIDANT ACTIVITY FRUIT PERICARP PURIFICATION AUTOXIDATION ALKALI |
| ISSN号 | 1350-4177 |
| 通讯作者 | chen rz |
| 中文摘要 | ultrasonic extraction technique (uet) was used to extract crude polysaccharides (ocap) from ornithogalum caudatum air (oca), an orthogonal experiment (l-9 (3)(4)) was applied to optimize extraction conditions. membrane separation technology and gel filtration chromatography were used to fractionate ocap, the antioxidant and immunomodulatory activities were evaluated by radical scavenging and spleen lymphocyte proliferation assay. the optimal conditions were determined: extraction time 60 min, ultrasound power 500 w, ratio of water to raw material 30 ml/g and extraction number 3. under these conditions, the yield of ocap was 36.77 +/- 1.76%. ocap was fractionated into three major fractions (ocap-i, ocap-ii and ocap-ii), that all fractions possessed considerable antioxidant activity. ocap-il and ocap-iii exhibited good immunomodulatory activities. the results indicated that uet is a very useful method for extraction bioactive polysaccharides from plant materials. ocap could be explored as a potential antioxidant and immunostimulating agent for use in medicine or functional foods. crown copyright (c) 2012 published by elsevier b.v. all rights reserved. |
| 收录类别 | SCI收录期刊论文 |
| 语种 | 英语 |
| WOS记录号 | WOS:000306195400007 |
| 公开日期 | 2013-04-22 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/47884]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Chen RZ,Li Y,Dong H,et al. Optimization of ultrasonic extraction process of polysaccharides from Ornithogalum Caudatum Ait and evaluation of its biological activities[J]. ultrasonics sonochemistry,2012,19(6):1160-1168. |
| APA | Chen RZ.,Li Y.,Dong H.,Liu ZQ.,Li SZ.,...&Li XL.(2012).Optimization of ultrasonic extraction process of polysaccharides from Ornithogalum Caudatum Ait and evaluation of its biological activities.ultrasonics sonochemistry,19(6),1160-1168. |
| MLA | Chen RZ,et al."Optimization of ultrasonic extraction process of polysaccharides from Ornithogalum Caudatum Ait and evaluation of its biological activities".ultrasonics sonochemistry 19.6(2012):1160-1168. |
入库方式： OAI收割
来源：长春应用化学研究所
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