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Volatile Constituents of Brazilian Piperaceae, Part 5. The Oils ofPothomorphe umbellateandP. peltate

 

作者: ArnaldoIran R. Luz,   JoãoDomingos da Silva,   M.G.B. Zoghbi,   E.H.A. Andrade,   M.H.L da Silva,   J.G.S. Maia,  

 

期刊: Journal of Essential Oil Research  （Taylor Available online 1999）
卷期: Volume 11, issue 4  

页码: 479-481

 

ISSN:1041-2905

 

年代: 1999

 

DOI:10.1080/10412905.1999.9701190

 

出版商: Taylor & Francis Group

 

关键词: Pothomorphe umbellata;Pothomorphe peltata;Piperaceae;essential oil composition;germacrene D;β-caryophyllene;δ-cadinene;bicyclogermacrene;caryophyllene oxide;α-humulene;(E)-nerolidol

 

数据来源: Taylor

 

摘要:

The essential oils obtained from leaves and thin branches ofPothomorphe umbellata(L.) Miq. andPothomorphepeltata(L.) Miq. were investigated by GC/MS. The principal constituents identified in the oil ofP. umbellatawere β-caryophyllene (14.8%), germacrene D (27.4%), bicyclogermacrene (11.5%) and δ-cadinene (13.3%), comprising to 67% of the oil. The major components identified in the oil ofP. peltatawere β-caryophyllene (39.0%), α-humulene (6.4%), germacrene D (8.7%), (E)-nerolidol (11.7%) and caryophyllene oxide (7.2%), corresponding to 73% of the oil. Except for octadecanol found in the oil ofP. peltata, all other (39) compounds identified in both species were sesquiterpenes.

 

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