Results 21 to 30 of about 25,456 (225)

Chemical composition of the Essential oil from stems, leaves and flowers of Salvia verticillate L. [PDF]

open access: yesJournal of Chemistry Letters, 2021
The water- distilled essential oil from stems, leaves and flowers of salvia verticillate L.Were analyzed by GC and GC/MS. the major component of the flowers oil were β-gurjunene(14.56%),δ-Elemene(9.01%), and 1,8- cineol(7.36%).the main component inThe ...
Navid Salehi
doaj   +1 more source

Development of a portable leaf photosynthesis and volatile organic compounds emission system. [PDF]

open access: yes, 2020
Understanding how plant carbon metabolism responds to environmental variables such as light is central to understanding ecosystem carbon cycling and the production of food, biofuels, and biomaterials. Here, we couple a portable leaf photosynthesis system
de Oliveira Piva, Luani Rosa   +4 more
core   +3 more sources

Comparative Anti-Infectious Bronchitis Virus (IBV) Activity of (-)-Pinene: Effect on Nucleocapsid (N) Protein

open access: yesMolecules, 2011
In the present study, anti-IBV (infectious bronchitis virus) activities of (-)-pinenes were studied by MTT assay, as well as docking and molecular dynamic (MD) simulations. The CC50 values of (-)-α-pinene and (-)-β-pinene were above 10 mM.
Zhiwei Yang   +3 more
doaj   +1 more source

Organosulfate Formation in Biogenic Secondary Organic Aerosol [PDF]

open access: yes, 2008
Organosulfates of isoprene, α-pinene, and β-pinene have recently been identified in both laboratory-generated and ambient secondary organic aerosol (SOA).
Chan, Arthur W. H.   +13 more
core   +1 more source

An Absorption and Plasma Kinetics Study of Monoterpenes Present in Mastiha Oil in Humans

open access: yesFoods, 2020
Monoterpenes are bioactive compounds, however studies on their metabolic fate in humans are scarce. The present work aimed to identify and quantify the bioactive monoterpenes myrcene, α- and β-pinene of the Mediterranean product Mastiha Oil, in human ...
Efstathia Papada   +4 more
doaj   +1 more source

Chemical Composition and Activity of Essential Oils of Albanian Coniferous Plants on Plant Pests

open access: yesChemistry Proceedings, 2022
The present study was conducted to evaluate and compare the chemical composition and bioactivity of essential oils on different insect organisms from four Albanian coniferous plants. The phytochemical analysis carried out using GC-MS showed that the oils
Erjon Mamoci   +3 more
doaj   +1 more source

Turpentine valorization by its oxyfunctionalization to nopol through heterogeneous catalysis

open access: yesHeliyon, 2020
Turpentine is a mixture of monoterpene hydrocarbons obtained as a by-product in the paper industry. In this contribution we present its transformation process towards an alcohol named nopol, that is an important household product and fragrance raw ...
Iván Aguas   +2 more
doaj   +1 more source

Nopol synthesis from β-pinene and turpentine oil over Sn-MCM-41

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2006
Nopol was obtained by the Prins condensation of β-pinene and paraformaldehyde over Sn-MCM-41. The catalyst was synthesized by chemical vapor deposition using a Sn salt over MCM-41.
Edwin Alexis Alarcón Durango   +2 more
doaj   +1 more source

Cationic polymerization of β-pinene in the presence of alkylaluminum chlorides as catalysts

open access: yesЖурнал Белорусского государственного университета: Химия, 2020
Cationic polymerization of β-pinene, a naturally occurring monomer, was studied in the presence of different alkylaluminum chlorides ((iBu)3Al2Cl3, Et3Al2Cl3 и Мe2AlCl) in the solvent mixture dichloromethane/methylcyclohexane (DCM/MCH) at –78 °C.
Maksim I. Hulnik   +2 more
doaj   +1 more source

Enantiomeric Ratio Changes of Terpenes in Essential Oils from Hybrid Eucalyptus grandis × E. tereticornis and its Pure Species [PDF]

open access: yes, 2018
Some Eucalyptus species produce oils with biological activities and the effect of their interspecifc hybridization on the enantiomeric composition of terpenes has not been reported.
Alvarez Costa, Agustin   +4 more
core   +2 more sources

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