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Stimulation of Cellulases by Small Phenolic Compounds in Pretreated Stover
Alternative TitleJ. Agric. Food Chem.
Zhao, Junying1,2; Chen, Hongzhang1
2014-04-09
Source PublicationJOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
ISSN0021-8561
Volume62Issue:14Pages:3223-3229
AbstractThe effect of small phenolic compounds in pretreated stover on celluase activity is crucial but has not yet been fully elucidated. This work investigated the effects of both phenolic acid and phenolic aldehyde on cellulase activity. The model substances of small phenolic compounds identified in steam exploded corn stover were used to examine their individual effects on cellulase activity. It was found that phenolic aldehyde significantly inhibited cellulase activity at 0.05-8 g/L. However, phenolic acids might have a concentration-dependent effect on cellulase activity: significant inhibition at 0.05 g/L and slight stimulation at 2-4 g/L. Small phenolic compounds mixture might also have a concentration-dependent effect on cellulase activity: significant stimulation at 2-8 g/L and slight inhibition at 0.05-1 g/L. The small phenolic compounds in pretreated stover were proven to be able to significantly stimulate enzymatic hydrolysis of stover. On the basis of these results, it is proposed that the concentration-dependent effects of small phenolic compounds on cellulase activity should be considered while removing them after pretreatment.; The effect of small phenolic compounds in pretreated stover on celluase activity is crucial but has not yet been fully elucidated. This work investigated the effects of both phenolic acid and phenolic aldehyde on cellulase activity. The model substances of small phenolic compounds identified in steam exploded corn stover were used to examine their individual effects on cellulase activity. It was found that phenolic aldehyde significantly inhibited cellulase activity at 0.05-8 g/L. However, phenolic acids might have a concentration-dependent effect on cellulase activity: significant inhibition at 0.05 g/L and slight stimulation at 2-4 g/L. Small phenolic compounds mixture might also have a concentration-dependent effect on cellulase activity: significant stimulation at 2-8 g/L and slight inhibition at 0.05-1 g/L. The small phenolic compounds in pretreated stover were proven to be able to significantly stimulate enzymatic hydrolysis of stover. On the basis of these results, it is proposed that the concentration-dependent effects of small phenolic compounds on cellulase activity should be considered while removing them after pretreatment.
KeywordSmall Phenolic Compounds Corn Stover Steam Explosion Cellulase Activity Stimulation Inhibition
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1021/jf405046m
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCELLULOSE-BINDING DOMAINS ; TRICHODERMA-REESEI ; DEGRADATION-PRODUCTS ; ENZYMATIC-HYDROLYSIS ; POPLAR WOOD ; INHIBITION ; STRAW ; DETOXIFICATION ; FERMENTATION ; BIOMASS
WOS Research AreaAgriculture ; Chemistry ; Food Science & Technology
WOS SubjectAgriculture, Multidisciplinary ; Chemistry, Applied ; Food Science & Technology
WOS IDWOS:000334572500025
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11051
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Junying,Chen, Hongzhang. Stimulation of Cellulases by Small Phenolic Compounds in Pretreated Stover[J]. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,2014,62(14):3223-3229.
APA Zhao, Junying,&Chen, Hongzhang.(2014).Stimulation of Cellulases by Small Phenolic Compounds in Pretreated Stover.JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,62(14),3223-3229.
MLA Zhao, Junying,et al."Stimulation of Cellulases by Small Phenolic Compounds in Pretreated Stover".JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 62.14(2014):3223-3229.
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