Results 11 to 20 of about 21,339 (219)

Optimization of Extraction Process of Methyl Eugenol and Asarinin in Asarum with Deep Eutectic Solvent Based on the Response Surface Methodology

Journal of Chemistry, 2021
To explore a green and efficient extraction technology for the extraction of active ingredients of Asarum, the deep eutectic solvent combined with ultrasonic was applied to compare the extraction efficiency of 10 kinds of deep eutectic solvents, taking ...
Huiwei Bao, Yang Xu, Yuejie Wang, Tao Zhang, Enpeng Wang, Xin Huang, Changbao Chen, Fangxin Liu   +7 more
doaj   +1 more source

Evaluation of Selected Plant Volatiles as Attractants for the Stick Tea Thrip Dendrothrips minowai in the Laboratory and Tea Plantation

Insects, 2022
The stick tea thrip (Dendrothrips minowai Priesner) is the main pest thrip in tea (Camellia sinensis) plantations in China, and seriously affects the quality and yield of tea. Plant-derived semiochemicals provide an alternative to pheromones as lures and
Chunli Xiu, Fengge Zhang, Hongsheng Pan, Lei Bian, Zongxiu Luo, Zhaoqun Li, Nanxia Fu, Xiaoming Cai, Zongmao Chen   +8 more
doaj   +1 more source

ONE-STEP CONVERSION OF EUGENOL TO METHYL ISOEUGENOL USING MICROWAVE IRRADIATION IN SOLVENT-FREE CONDITIONS

Indonesian Journal of Chemistry, 2010
A research on conversion of eugenol to methyl isoeugenol via one-step reaction with microwave irradiation has been carried out. Mixtures containing eugenol, sodium or potassium carbonate as solid support, with or without sodium or potassium hydroxide as ...
Marcellino Rudyanto, Lanny Hartanti
doaj   +1 more source

Natural Compounds and Their Structural Analogs in Regio- and Stereoselective Synthesis of New Families of Water-Soluble 2H,3H-[1,3]thia- and -Selenazolo[3,2-a]pyridin-4-ium Heterocycles by Annulation Reactions

Molecules, 2020
It has been found that both eugenol and isoeugenol derivatives reacted with 2-pyridinesulfenyl and 2-pyridineselenenyl halides in a regioselective mode affording products with opposite regiochemistry.
Vladimir A. Potapov, Roman S. Ishigeev, Irina V. Shkurchenko, Sergey V. Zinchenko, Svetlana V. Amosova   +4 more
doaj   +1 more source

Predicting the substrate specificity of a glycosyltransferase implicated in the production of phenolic volatiles in tomato fruit [PDF]

, 2011
The volatile compounds that constitute the fruit aroma of ripe tomato (Solanum lycopersicum) are often sequestered in glycosylated form. A homology-based screen was used to identify the gene SlUGT5, which is a member of UDP-glycosyltransferase 72 family ...
Alba, Baldwin, Birtic, Bowles, Brazier-Hicks, Brazier-Hicks, Brazier-Hicks, Buttery, Chervin, Fleuriet, Fukuchi-Mizutani, Gachon, Hansen, Hefner, Jones, Jones, Jugdé, Kino, Lairson, Lairson, Lanot, Lanot, Li, Lim, Loutre, Lunkenbein, Marlatt, Morris, Ortiz-Serrano, Pang, Ross, Sali, Schuettelkopf, Shimoda, Smart, Song, Syahrani, Tikunov, Wang, Witte, Yoon, Zanor   +41 more
core   +2 more sources

Essential Oil Composition and Stable Isotope Profile of Cultivated Ocimum campechianum Mill. (Lamiaceae) from Peru

Molecules, 2022
Ocimum campechianum Mill. (Peruvian basil) is an essential oil-bearing plant of the Lamiaceae family. Volatile oil produced through steam distillation of Peruvian basil was examined to establish the aromatic and stable isotope profiles of samples (n = 9)
Tyler M. Wilson, Brett J. Murphy, Adrian Abad, Chris Packer, Ariel Poulson, Richard E. Carlson   +5 more
doaj   +1 more source

Do topical repellents divert mosquitoes within a community? Health equity implications of topical repellents as a mosquito bite prevention tool. [PDF]

, 2013
OBJECTIVES: Repellents do not kill mosquitoes--they simply reduce human-vector contact. Thus it is possible that individuals who do not use repellents but dwell close to repellent users experience more bites than otherwise.
DC Chavasse, Elizabeth Louise Turner, Emmanuel Titus Simfukwe, GF Killeen, JA Scott, John Vontas, LW Cohnstaedt, M Ditzen, M Rowland, Marta Ferreira Maia, Max Thele, MF Maia, N Hill, RW Steketee, Sangoro Peter Onyango, Sarah Jane Moore, SE Clarke, SJ Moore, SJ Moore, SP Carroll, SW Lindsay, TW Scott, Y Geissbühler   +22 more
core   +3 more sources

TRANSESTERIFIKASI IN SITU BIJI KELOR (Moringa oleifera Lam) MENGGUNAKAN POLIMER BERBAHAN DASAR EUGENOL SEBAGAI PENYANGGA KATALIS H2SO4

Kovalen: Jurnal Riset Kimia, 2019
A study of in situ transesterification of Moringa (Moringa oleifera) seeds with polymer based on eugenol catalyst support have been carried out. The aim of the study is to determine the concentration of eugenol-based polymer support catalyst which was ...
achmad rihday, Erwin Abdul Rahim, Syaiful Bahri, Dwi Juli Pusptasari   +3 more
doaj   +1 more source

Antimicrobial and antioxidant potentials of essential oil and acetone extract of Myristica fragrans Houtt. (aril part) [PDF]

, 2005
The antifungal, antibacterial, and antioxidant potentials of essential oil and acetone extract were carried out by different techniques. In poison food medium method, the essential oil showed complete zones of inhibition against Fusarium graminearum at ...
Catalan, Cesar Atilio Nazareno, De Heluani, Carola S., Marimuthu, P., Singh, Gurdip   +3 more
core   +1 more source

Field Trapping Bactrocera latifrons (Diptera: Tephritidae) with Select Eugenol Analogs That Have Been Found to Attract Other ‘Non-Responsive’ Fruit Fly Species

Insects, 2018
Bactrocera latifrons (Hendel) (Diptera: Tephritidae) is a pest fruit fly species native to Oriental Asia which has invaded and established in Hawaii and Tanzania and has been recovered in detection trapping in California.
Grant T. McQuate, Jane E. Royer, Charmaine D. Sylva   +2 more
doaj   +1 more source