Results 61 to 70 of about 7,658 (220)

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

Engineering Substrate Acceptance of Resveratrol O‐Methyltransferase from Vitis vinifera for the Selective Synthesis of O‐Methyl Protected Biobased Hydroxystyrenes

open access: yesChemCatChem, EarlyView.
Reaction sequence for the synthesis of methylated products through enzymatic decarboxylation of bio‐based hydroxycinnamic acids and subsequent direct methylation of the resulting styrene intermediates without any further isolation and purification steps.
Kamela Myrtollari   +6 more
wiley   +1 more source

Synthesis Of 1-phenyl-4-(3’, 4’-dimethoxy phenyl)-1-Buten-3-on From Eugenol

open access: yesIndonesian Journal of Chemical Research, 2014
The synthesis of 1-phenyl-4-(3’, 4’-dimethoxy phenyl)-1-buten-3-one from eugenol has been done through four reaction steps. The metilation of eugenol with dimethyl sulphate yields 81.81% of methyl eugenol.
Candra Y. Tahya   +2 more
doaj  

Learning Strategies from Nature's Blueprint to Cyclic Carbonate Synthesis

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
The development of sustainable synthetic methods for cyclic carbonates draws inspiration from nature, focusing on eco‐friendly processes and renewable resources like CO2 and biomass. This review explore various CO2 activation mechanisms, green chemistry principles, and green catalysts.
Erika Saccullo   +4 more
wiley   +1 more source

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

Phytochemistry, pharmacological insights, and food science applications of natural bioactive compounds from Ocimum species with a focus on essential oils

open access: yesFood Frontiers, EarlyView.
The article examines the phytochemistry, pharmacology, and food science applications of essential oils and extracts from Ocimum species (basil). It covers diverse extraction methods like hydrodistillation and microwave‐assisted extraction while discussing pharmacological benefits.
Oberdan Oliveira Ferreira   +13 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  

Thiol‐X Chemistry: A Skeleton Key Unlocking Advanced Polymers in Additive Manufacturing

open access: yesMacromolecular Materials and Engineering, EarlyView.
Additive manufacturing and thiol‐X chemistry form a powerful combination for fabricating a diverse array of advanced polymers to address contemporary engineering applications. Thiol‐X reactions offer versatile polymerization mechanisms, “click” reactivity, functional group tolerance, desirable properties, and compatibility over a broad range of 3D ...
James Anthony Dicks, Chris Woolard
wiley   +1 more source

A Brief History of Plastic Additives. Part 1: Antioxidants

open access: yesMacromolecular Materials and Engineering, EarlyView.
The development of suitable antioxidants has been a decisive element for the success of plastics in particular in the field of polyolefins. Sterically hindered phenol structures, amines, and sulfur‐containing products including multifunctional substances comprise today´s commercial range. Stabilizers based on renewable resources and tailor‐made systems
Rudolf Pfaendner
wiley   +1 more source

Changes in essential oil and morpho-physiological traits of tarragon (Artemisia dracuncalus L.) in responses to arbuscular mycorrhizal fungus, AMF (Glomus intraradices N.C. Schenck & G.S. Sm.) inoculation under salinity

open access: yesActa Agriculturae Slovenica, 2017
This study aimed to evaluate the arbuscular mycorrhizal fungi (AMF) (Glomus intraradices N.C. Schenck & G.S. Sm.) inoculation and salinity effect on qualitative and quantitative changes in tarragon yield.
Amin Lamian   +3 more
doaj   +1 more source

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