Comparative seasonal variation and chemical composition of essential oils from the leaves and stems of Schefflera heptaphylla using microwave-assisted and conventional hydrodistillation

2012 ◽  
Vol 36 (1) ◽  
pp. 229-237 ◽  
Author(s):  
Hongwu Wang ◽  
Yanqing Liu ◽  
Shoulian Wei ◽  
Zijun Yan
Keyword(s):  
Seasonal Variation ◽  
Chemical Composition ◽  
Essential Oils ◽  
Microwave Assisted

scholarly journals The Seasonal Variation of the Chemical Composition of Essential Oils from Porcelia macrocarpa R.E. Fries (Annonaceae) and Their Antimicrobial Activity

Molecules ◽  
2013 ◽  
Vol 18 (11) ◽  
pp. 13574-13587 ◽  
Author(s):  
Erica da Silva ◽  
Marisi Soares ◽  
Bruna Mariane ◽  
Marcelo Vallim ◽  
Renata Pascon ◽  
...  
Keyword(s):  
Antimicrobial Activity ◽  
Seasonal Variation ◽  
Chemical Composition ◽  
Essential Oils

Chemical Composition, Seasonal Variation and Evaluation of Antimicrobial Activity of Essential Oils ofTalauma ovataA. St. Hil. (Magnoliaceae)

2008 ◽  
Vol 20 (6) ◽  
pp. 565-569 ◽  
Author(s):  
Maria Élida A. Stefanello ◽  
Marcos J. Salvador ◽  
Izabel Y. Ito ◽  
Alberto Wisniewski ◽  
Edésio L. Simionatto ◽  
...  
Keyword(s):  
Antimicrobial Activity ◽  
Seasonal Variation ◽  
Chemical Composition ◽  
Essential Oils

scholarly journals CHEMICAL COMPOSITION OF ESSENTIAL OILS OF PASSIFLORA EDULIS F. FLAVICARPA AGROINDUSTRIAL WASTE

2017 ◽  
pp. 458 ◽  
Author(s):  
Ivan Chóez-Guaranda ◽  
Arnold Ortega ◽  
Migdalia Miranda ◽  
Patricia Manzano
Keyword(s):  
Chemical Composition ◽  
Essential Oils ◽  
Extraction Method ◽  
Acid Methyl Ester ◽  
Gas Chromatography Mass Spectrometry ◽  
Passiflora Edulis ◽  
Main Compound ◽  
Microwave Assisted ◽  
Acid Methyl ◽  
Agroindustrial Waste

The study of the chemical composition of essential oils of shells and seeds of Passiflora edulis f. flavicarpa is discussed. The essential oils were obtained by microwave assisted hydrodistillation (MWHD) as extraction method using Clevenger apparatus. The compounds were separated and identified by gas chromatography mass spectrometry (GC-MS). There were no significant differences of essential oil yields between samples. 20 compounds were detected altogether. Ionol was the main compound in shells (13.15%) and seeds (12.10%). Nevertheless, some fatty acid methyl ester, aldehydes, hydrocarbons and other terpenes were found in minor quantities. These results have not been informed previously and allow adding value to this agroindustrial waste.

Essential Oils from Piper caldense C. DC. and Piper xylosteoides (Kunth) Steud.: Seasonal Variation of the Chemical Composition and Antimicrobial Activity

2021 ◽  
Author(s):  
Carlos Eduardo P. Maduro ◽  
Rebeca G. Camargo ◽  
Ana Paula P. K. Hendges ◽  
Aurea P. Ferriani ◽  
Allan R. Silva ◽  
...  
Keyword(s):  
Antimicrobial Activity ◽  
Seasonal Variation ◽  
Chemical Composition ◽  
Essential Oils
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