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Air-steam explosion enhancing the extraction efficiency of chlorogenic acid from leaves of Eucommia ulmoides Oliver
Fu, Xiaoguo1,2; Chen, Hongzhang1
2015-05-26
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
Volume146Issue:MAYPages:317-325
AbstractIn order to achieve the desirable extraction yield of thermosensitive chlorogenic acid, a novel air-steam explosion with low temperature was developed to pretreat Eucommia ulmoides leaves in this study. The correlation of temperature and different partial pressure of air was investigated, and the pretreatment performance was evaluated by the extraction efficiency and antioxidant capacity of chlorogenic acid. Results showed that the pretreatment temperature obviously decreased with the increase of air partial pressure. Mixed with 0.4 MPa of air partial pressure, the temperature of gas mixture was 26.69% lower than that without air (0.8 MPa of steam). After pretreatment for 120 s, the yield, extraction rate, and OH- and O-2(-) scavenging ratios of chlorogenic acid from air-steam exploded sample were 2.83%, 0.182 min(-1), 31.10% and 95.85%, respectively, which were 62.0%, 423.0%, 94.6% and 9.5% higher than those from raw sample. Additionally, the equilibrium time of chlorogenic acid extraction decreased from 120 min to 15 mm. The reason for these results were that the fibrous networks and the cell walls of the leaves were destroyed after air-steam explosion pretreatment, which improved the solute-solvent accessibility and the internal mass transfer in extraction process. Therefore, air-steam explosion was an efficient pretreatment to enhance the extraction performance of chlorogenic acid from E. ulmoides leaves. (C) 2015 Elsevier B.V. All rights reserved.
KeywordAir-steam Explosion Thermosensitive Chlorogenic Acid Extraction Antioxidant Capacity
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.seppur.2015.03.054
Indexed BySCI
Language英语
WOS KeywordMICROWAVE-ASSISTED EXTRACTION ; PHENOLIC-COMPOUNDS ; ANTIOXIDANT ; PLANT ; OPTIMIZATION ; ANTHOCYANIN ; SYSTEM ; STRAW ; FOOD
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000355052900039
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19240
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Fu, Xiaoguo,Chen, Hongzhang. Air-steam explosion enhancing the extraction efficiency of chlorogenic acid from leaves of Eucommia ulmoides Oliver[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2015,146(MAY):317-325.
APA Fu, Xiaoguo,&Chen, Hongzhang.(2015).Air-steam explosion enhancing the extraction efficiency of chlorogenic acid from leaves of Eucommia ulmoides Oliver.SEPARATION AND PURIFICATION TECHNOLOGY,146(MAY),317-325.
MLA Fu, Xiaoguo,et al."Air-steam explosion enhancing the extraction efficiency of chlorogenic acid from leaves of Eucommia ulmoides Oliver".SEPARATION AND PURIFICATION TECHNOLOGY 146.MAY(2015):317-325.
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