Results 21 to 30 of about 15,040 (164)

Turpentine valorization by its oxyfunctionalization to nopol through heterogeneous catalysis

Heliyon, 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, Edwin Alarcón, Aída Luz Villa   +2 more
doaj   +1 more source

Survey of foliar monoterpenes across the range of jack pine reveal three widespread chemotypes: implications to host expansion of invasive mountain pine beetle

Frontiers in Plant Science, 2015
The secondary compounds of pines (Pinus) can strongly affect the physiology, ecology and behaviors of the bark beetles (Coleoptera: Curculionidae, Scolytinae) that feed on sub-cortical tissues of hosts.
Spencer eTaft, Ahmed eNajar, Juie eGodbout, Jean eBousquet, Nadir eErbilgin   +4 more
doaj   +1 more source

Prediction and Comparisons of Turpentine Content in Slash Pine at Different Slope Positions Using Near-Infrared Spectroscopy

Plants, 2022
Pine resin is one of the best known and most exploited non-wood products. Resin is a complex mixture of terpenes produced by specialized cells that are dedicated to tree defense.
Qifu Luan, Shu Diao, Honggang Sun, Xianyin Ding, Jingmin Jiang   +4 more
doaj   +1 more source

Essential Oil Constituents of and grown in Vietnam

Natural Product Communications, 2015
The chemical composition of the essential oils obtained from the hydrodistillation of different parts of Etlingera yunnanensis (T.L. Wu &S.J. Chen) R.M. Sm. and Hornstedtia sanhan M.F. Newman (Zingiberaceae) grown in Vietnam are reported.
Dao T. M. Chau, Do N. Dai, Tran M. Hoi, Tran H. Thai, Tran D. Thang, Isiaka A. Ogunwande   +5 more
doaj   +1 more source

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

Журнал 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, Olga V. Kuharenko, Sergei V. Kostjuk   +2 more
doaj   +1 more source

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

Chemistry 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, Maria Fe Andrés, Sonia Olmeda, Azucena González-Coloma   +3 more
doaj   +1 more source

Characteristics and Quality Assessment of Oleoresin Production through Bore-hole Method in Chir-pine Under Narendranagar Forest Division, Uttarakhand, India

Indonesian Journal of Social and Environmental Issues, 2023
The present study aimed to evaluate the Oleoresin quality in Chir-pine.  It was observed that the main compounds of Chir-pine’s Oleoresin were Rosin, α and β-pinene with the highest percentage and are considered products with high commercial value. There
Dharm Singh Meena, Akash, Kamal Bijlwan, B.S. Bhandari   +3 more
doaj   +1 more source

Identification and Quantification of the Antimicrobial Components of a Citrus Essential Oil Vapor

Natural Product Communications, 2012
The anti-bacterial components of a citrus essential oil vapor were identified as linalool, citral and β-pinene using a bioautography method and quantified by GC-MS.
Carol A. Phillips, Konstantinos Gkatzionis, Katie Laird, Jodie Score, Avinash Kant, Mark D. Fielder   +5 more
doaj   +1 more source

Spectroscopic and In Silico Determination of the Structural and Antioxidant Properties of Essential Oils From Lavandula Species Cultivated in the Silivri Region of Istanbul

Journal of the American Oil Chemists' Society, EarlyView.
ABSTRACT Plants are important sources of bioactive compounds that contribute to nutrition, health maintenance, and disease prevention. In this study, the chemical composition and antioxidant potential of essential oils obtained from Lavandula angustifolia “Sevtopolis” and Lavandula × intermedia cultivated in the Silivri region of Istanbul were ...
Bilge Bicak, Beray Kizilkaya, Serda Kecel Gunduz, Aliye Demet Demirag, Sabriye Percin Ozkorucuklu   +4 more
wiley   +1 more source

Headspace volatiles isolated from twigs of Picea omorika from Serbia [PDF]

Archives of Biological Sciences, 2020
The variability of volatiles isolated from twigs by the static headspace (HS) method in seven natural populations of Picea omorika from Serbia was investigated for the first time.
Nikolić Biljana, Ljujić Jovana, Bojović Srđan, Mitić Zorica, Rajčević Nemanja, Tešević Vele, Marin Petar D.   +6 more
doaj   +1 more source