Results 21 to 30 of about 1,052,639 (174)
Comparison of antibacterial activity and phenolic constituents of bark, lignum, leaves and fruit of Rhus verniciflua. [PDF]
PLoS ONE, 2018 Rhus verniciflua is commonly known as a lacquer tree in Korea. The bark of R. verniciflua has been used as an immunostimulator in traditional medicine, but also causes allergic dermatitis due to urushiol derivatives. For the development of active natural
Jae Young Jang +9 more
doaj +1 more source
10'(Z),13'(E)-heptadecadienylhydroquinone inhibits swarming and virulence factors and increases polymyxin B susceptibility in Proteus mirabilis. [PDF]
PLoS ONE, 2012 In this study, we demonstrated that 10'(Z), 13'(E)-heptadecadienylhydroquinone (HQ17-2), isolated from the lacquer tree, could decrease swarming motility and hemolysin activity but increase polymyxin B (PB) susceptibilityof Proteus mirabilis which is ...
Ming-Che Liu +6 more
doaj +1 more source
HPLC and ToF‒SIMS Analyses of Toxicodendron vernicifluum Tree Sap Mixed with Other Natural Lacquers [PDF]
Molecules, 2021 Lacquer sap has been used by humans from antiquitywhen it was treated as a luxury item because of its desirable physical properties. In modern times, although access barriers are lower, lacquer is still considered to be rare and valuable. Thus, low quality, inexpensive Vietnamese and Myanmarese lacquers and cashew nutshell liquid are frequently added ...
Hye Hyun Yu, Seung Wook Ham, Yeonhee Lee
openaire +3 more sources
Effect of Perenniporia fraxinea on Eliminating Urushiol from Rhus verniciflua Stokes Stem Bark
한국균학회지, 2019 This study evaluated the raw materials for spawning Perenniporia fraxinea, to eliminate urushiol. The growth rates of spawns on grains of millet, brown rice, and wheat were 4.92±0.05, 2.20±0.03, and 1.93±0.03 mm/day, respectively, and the laccase ...
Ji-Hyun Lee +3 more
doaj +1 more source
Analysis of Fresh Sap Collected from Ryukyu Lacquer Tree
Analytical Sciences, 2017 The chemical structure of fresh lacquer sap collected from a lacquer tree growing in Nago City of Okinawa, Japan, was analyzed by gas chromatography/mass-spectrometry (GC/MS) and nuclear magnetic resonance (NMR). The results showed that Nago lacquer is laccol lacquer and its major components are 3-(heptadeca-10Z,13E,15E-trienyl)catechol, 3-(heptadeca ...
LU, Rong +4 more
openaire +3 more sources
Journal of Wood Science, 2019 The sap of urushi tree (Toxicodendron vernicifluum (Stokes) F.A. Barkley) has been used for coating materials and is known as urushi or oriental lacquer in East Asia. The potential of termite attacks against wood samples coated with four types of urushi:
Yoko Okahisa +2 more
doaj +1 more source
Mitochondrial DNA. Part B. Resources, 2019 The Toxicodendron vernicifluum cv. Dahongpao is an elite natural triploid lacquer tree with high economic and medicinal value. Therefore, in this study, we first characterize T. vernicifluum cv. Dahongpao complete chloroplast (cp) genome sequence.
Yuanyuan Zhong +4 more
doaj +1 more source
BumbleBEEP: A Sensor System for Bumblebee Colony Monitoring
Entomologia Experimentalis et Applicata, Volume 174, Issue 10, Page 1268-1274, October 2026.We present a bumblebee colony monitoring system, BumbleBEEP. The system is fitted with thermometers and a custom weight sensor. These record data up to every 15 min, recording bumblebee brood nest temperature, environmental ambient temperature, and colony growth.
Nynke Blömer +5 more
wiley +1 more source
Contact Dermatitis, Volume 95, Issue 3, Page 276-285, September 2026.ABSTRACT Background Allergens are periodically added to the European Baseline Series (EBS) to audit their value in consecutive patch testing. Objectives To present results of audit allergens tested in consecutive patients in 54 departments in 13 European countries during 2021 and 2022.
Wolfgang Uter +68 more
wiley +1 more source
Update of the risk assessment on emerging and novel brominated flame retardants in food
EFSA Journal, Volume 24, Issue 7, July 2026.Abstract The European Commission asked EFSA to update its 2012 risk assessment on Emerging and Novel brominated flame retardants (BFRs) in food. Since the previous Opinion, further information was collected for a total of 27 BFRs. The CONTAM Panel concluded that TDBPP, DBPNG and TBNPA are considered genotoxic and carcinogenic.
EFSA Panel on Contaminants in the Food Chain (CONTAM) +33 more
wiley +1 more source