Results 71 to 80 of about 21,422 (210)

The Contribution of Volatile Organic Compounds (VOCs) Emitted by Petals and Pollen to the Scent of Garden Roses

open access: yesHorticulturae, 2022
Flower scent is an important trait of ornamental roses and has been an important character in the selection processes. In the present study, the composition of the volatile organic compounds (VOCs) emitted by both petals and pollen of 21 garden roses ...
Matteo Caser, Valentina Scariot
doaj   +1 more source

Extraction of wood compounds by use of subcritical fluids [PDF]

open access: yes, 2003
A study of the extraction of oak wood compounds with subcritical water-ethanol mixtures as extractant, with an ethanol content between 0-60%, is reported.
Gonzalez-Rodriguez, Jose   +2 more
core   +1 more source

Fracture load and retention of milled interim implant restorations fabricated on three types of abutments and two implant diameters: An in vitro study

open access: yesJournal of Prosthodontics, EarlyView.
ABSTRACT Purpose To evaluate the fracture load and retention of subtractively manufactured interim restorations for single‐unit implants of two diameters, using three interim abutment types: stock abutments, titanium base (Ti‐base) abutments, and pre‐milled polymethyl methacrylate (PMMA) abutments.
Dong‐Hun Lee   +5 more
wiley   +1 more source

Impact of Structural and Metabolic Variations on the Toxicity and Carcinogenicity of Hydroxy- and Alkoxy-Substituted Allyl- and Propenylbenzenes [PDF]

open access: yes, 2014
The metabolic fate of a compound is determined by numerous factors including its chemical structure. Although the metabolic options for a variety of functional groups are well understood and can often provide a rationale for the comparison of toxicity ...
Adams, TB   +10 more
core   +2 more sources

The BAHD Acyltransferase Gene Family: Evolutionary Dynamics, Biochemical Mechanisms, and Roles in Plant Stress Adaptation

open access: yesPlant Biotechnology Journal, EarlyView.
BAHD acyltransferases drive metabolic diversification in plants by coupling conserved catalytic scaffolds with regulatory flexibility, enabling stress adaptation and ecological specialisation. ABSTRACT BAHD acyltransferases constitute one of the most versatile enzyme superfamilies in plants, catalysing the acylation of alcohols, amines, polyamines, and
Muhammad Mubashar Zafar   +7 more
wiley   +1 more source

Evaluation of Enzyme Inhibition and Kinetic Profiles of Origanum Essential Oils on Metabolic and Central Nervous System Targets

open access: yesNatural Sciences, Volume 6, Issue 3, July 2026.
The essential oils of three Origanum species were chemically characterized and evaluated for their antioxidant and enzyme inhibitory activities. The different compositions confer selective bioactivities: O. vulgare exhibits good antioxidant and α‐glucosidase inhibitory activity, O. majorana shows promising tyrosinase inhibition, and O.
Giuseppe Amato   +6 more
wiley   +1 more source

Supercritical CO2 extract and essential oil of bay (Laurus nobilis L.) – chemical composition and antibacterial activity [PDF]

open access: yesJournal of the Serbian Chemical Society, 2010
The present study deals with the supercritical carbon dioxide (SC-CO2) extraction and hydrodistillation (HD) of dried bay leaves (Laurus nobilis L.). The chemical composition and antibacterial activity of the SC-CO2 extract and essential oil (EO) from ...
JASNA IVANOVIĆ   +4 more
doaj  

Essential oil composition of Ocimum basilicum L. and Ocimum minimum L. in Turkey

open access: yesCzech Journal of Food Sciences, 2002
The constituents of essential oils isolated by hydrodistillation of the overground parts of Ocimum basilicum L. and Ocimum minimum L. from Turkey were examined by GC-MS.
Musa Özcan, Jean-Clause Chalchat
doaj   +1 more source

Laboratory evaluation of natural and synthetic aromatic compounds as potential attractants for male mediterranean fruit fly, ceratitis capitata [PDF]

open access: yes, 2019
Ceratitis capitata, the Mediterranean fruit fly, is one of the most serious agricultural pests worldwide responsible for significant reduction in fruit and vegetable yields. Eradication is expensive and often not feasible. Current control methods include
Cimmino, A.   +7 more
core   +1 more source

Foodborne Carcinogens: Formation Pathways, Health Risks, and Cutting‐Edge Physical and Chemical Prevention Strategies

open access: yeseFood, Volume 7, Issue 3, June 2026.
This review highlights the formation of foodborne carcinogens during processing and evaluates different mitigation strategies, including natural antioxidants and modern cooking techniques, to reduce associated cancer risks and enhance food safety. ABSTRACT Food processing methods, though vital for improving food safety, taste, and shelf life, can ...
Naglaa S. Ashmawy   +4 more
wiley   +1 more source

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