Results 11 to 20 of about 2,678,573 (309)

Plant Sources Responsible for the Chemical Composition and Main Bioactive Properties of Poplar-Type Propolis

open access: yesPlants, 2020
Propolis is a resinous mixture, made by the honeybees from substances collected from tree or other plant buds, plant exudates, or resins found in the stem, branches, or leaves of different plants.
Daniel Severus Dezmirean   +3 more
doaj   +2 more sources

Impact of plant fiber reinforcement on mechanical properties of PMMA denture base resin: a systematic review [PDF]

open access: yesBiomaterial Investigations in Dentistry
Introduction: To improve the clinical outcomes and long-term durability of polymethyl methacrylate (PMMA) denture-based resins, they have undergone several developments and changes in their chemical composition to enhance their mechanical properties ...
Muhammad Khawaja Hammad Uddin   +9 more
doaj   +2 more sources

Determination of Chemical Composition and Antioxidant Capacity of Fruit Tree Resins Belonging to the Prunus Species and Determination of Their In Vivo Diuretic Activities [PDF]

open access: yesMolecules
This study aimed to evaluate the phenolic content, mineral profile, antioxidant capacity, and in vivo diuretic activity of resins secreted by Rosaceae family trees grown in the same environment. Total phenolic and flavonoid contents were determined using
Sadık Küçükgünay   +2 more
doaj   +2 more sources

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

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   +2 more sources

Adsorption of plant phenols by polystyrene resins

open access: yesActa Societatis Botanicorum Poloniae, 2014
Adsorption of nine plant phenols by nine polystyrene ion-exchange resins was investigated in an experimental model system. The phenols were adsorbed by Amberlite CG-120 more efficiently than any other acidically charged resins tested in this study.
Akiyoshi Fukushima   +2 more
doaj   +3 more sources

Plant Resins-Chemistry, Evolution Ecology and Ethnobotany [PDF]

open access: yesHortScience, 2005
Plant resins are often something ornamental horticulturists either ignore or endure-particularly when they clog up pruners. This book gives a different view-a rhyme and reason as to why plants produce resins and how generations of people have used resins for economic or personal benefit.
Paparozzi, Ellen T., Ellen T. Paparozzi
openaire   +3 more sources

Metabolomics reveals the origins of antimicrobial plant resins collected by honey bees. [PDF]

open access: yesPLoS ONE, 2013
The deposition of antimicrobial plant resins in honey bee, Apis mellifera, nests has important physiological benefits. Resin foraging is difficult to approach experimentally because resin composition is highly variable among and between plant families ...
Michael B Wilson   +4 more
doaj   +2 more sources

Transition of plant resins from the biosphere to the lithosphere [PDF]

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   +2 more sources

Plant Resins—Their Formation, Secretion and Possible Functions

open access: yes, 1979
Plant resins pose interesting ecological, taxonomic, physiological, and biochemical problems. This chapter briefly describes the resins in chemical terms and presents their contrast with certain other plant products. Resins are nonvolatile products of plants, from which they exude naturally (surface resins) or can be obtained by incision or infection ...
Dell, B., McComb, A.J.
openaire   +2 more sources

Experimental induction of resins as a tool to understand variability in ambers [PDF]

open access: yesFossil Record, 2021
Amber is chiefly known as a preservational medium of biological inclusions, but it is itself a chemofossil, comprised of fossilised plant resin. The chemistry of today's resins has been long investigated as a means of understanding the botanical sources ...
L. J. Seyfullah   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy