Results 21 to 30 of about 15,827 (266)

Stingless bees as collectors of resin from Bertholletia excelsa Bonpland (Lecythidaceae)

open access: yesEntomological Communications, 2023
Stingless bees build their nests using, in general, clay, wax and resins; in addition, these bees also use resins for defense against natural enemies and as an antimicrobial agent.
Iris A. Cruz, Paulo C. S. Barroso
doaj   +1 more source

Increased resin collection after parasite challenge: a case of self-medication in honey bees?

open access: yesPLoS ONE, 2012
The constant pressure posed by parasites has caused species throughout the animal kingdom to evolve suites of mechanisms to resist infection. Individual barriers and physiological defenses are considered the main barriers against parasites in ...
Michael D Simone-Finstrom, Marla Spivak
doaj   +1 more source

Characterization of Environmentally Sustainable Resole Phenolic Resins Synthesized with Plant-based Bioresources

open access: yesBioResources, 2015
“Green” resole phenolic resins for laminating applications were synthesized, and their properties and thermal stability were determined. The plant-based cardanol and condensed tannin were used as the partial substitutes of up to 40% of the phenol in the ...
Francisco Cardona   +1 more
doaj   +1 more source

Resin glycosides from Convolvulaceae plants [PDF]

open access: yesJournal of Natural Medicines, 2017
Resin glycosides are well known as purgative ingredients, which are characteristic of certain crude drugs such as Mexican Scammony Radix, Orizabae Tuber, and Jalapae Tuber, all of which originate from Convolvulaceae plants. Depending on their solubility in ether, these are roughly classified into two groups-jalapin (soluble) and convolvulin (insoluble).
openaire   +2 more sources

Transition of plant resins from the biosphere to the lithosphere

open access: yesGeo&Bio, 2020
In the article the authors consider in detail the process of transition of plant resins from the biosphere to the lithosphere, characterize the conditions and paleogeographic situation of such transition, the formation of deposits of resin minerals and ...
Viktor M. Matsui, Uliana Z. Naumenko
doaj   +1 more source

Detection some active Compounds in the Leaves and Stems of Local Coriander Plant - Coriandrum sativum L.

open access: yesTikrit Journal of Pure Science, 2018
This research aimed at studying some of the chemical compounds of the leaves and stems of a local plant "Coriander". Inclusive  chemical Detection for the most important active chemical compounds that exist in this plant were carried out.
Raghad Z. Sulaiman, Yaseen M. Ahmed
doaj   +1 more source

Pharmacognosy, Phytochemical, and Pharmacology of Wijaya Kusuma (Epiphyllum oxypetalum (DC.) Haw.) – An Update Review

open access: yesBorneo Journal of Pharmacy, 2022
In Indonesia, Epiphyllum oxypetalum (DC.) Haw. is known as Wijaya Kusuma. The plant is grown for home decorating and used widely as medicine in some areas.
Chandra Adam Lesmana   +2 more
doaj   +1 more source

Antibacterial activity of resin rich plant extracts

open access: yesJournal of Pharmacy And Bioallied Sciences, 2013
The in vitro antibacterial activity of resin rich methanolic extracts (RRMEs) of Commiphora myrrha, Operculina turpethum, and Pinus roxburghii.Different concentration were studied by agar-well diffusion method against Gram-positive (Staphylococcus aureus, Bacillus subtilis, Micrococcus luteus, Enterococcus faecalis) and Gram-negative bacterial strains (
Mohd Shuaib   +4 more
openaire   +3 more sources

Agnus - First Czech High-Alpha Hop Variety.

open access: yesKvasný průmysl, 2002
In the year 2001, the variety Agnus was registered in the Czech Republic as the first Czech high-alpha variety of hop. It contains approximately 30 % b.w. in dry matter of total resins and 11 to 15 % b.w. of α-bitter acids.
K. KROFTA   +3 more
doaj   +1 more source

Organic bioactive medicinal ingredients with antibacterial, anti-inflammatory and antioxidant properties [PDF]

open access: yesMedicamentul Veterinar, 2023
The formulation of cosmeceutical products containing plant and animal compunds is the current concern of many researchers in the pharmaceutical field and it is the subject of many specialized studies.
Cristina Dumitrache   +3 more
doaj  

Home - About - Disclaimer - Privacy