Results 21 to 30 of about 15,827 (266)
Stingless bees as collectors of resin from Bertholletia excelsa Bonpland (Lecythidaceae)
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
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Increased resin collection after parasite challenge: a case of self-medication in honey bees?
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
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“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
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Resin glycosides from Convolvulaceae plants [PDF]
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).
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Transition of plant resins from the biosphere to the lithosphere
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
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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
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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
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Antibacterial activity of resin rich plant extracts
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
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Agnus - First Czech High-Alpha Hop Variety.
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
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Organic bioactive medicinal ingredients with antibacterial, anti-inflammatory and antioxidant properties [PDF]
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
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