Results 41 to 50 of about 1,354 (125)

Selective Transfer Hydrogenation of Polyenes to Monoenes Catalysed by Shvo's Catalyst

open access: yesAdvanced Synthesis &Catalysis, Volume 368, Issue 9, 5 May 2026.
We report the reduction of polyenes to monoenes with near‐perfect selectivities at full conversion with isopropanol as hydrogen source. The reaction is catalysed by Shvo's catalyst and the selectivity towards conjugation, semihydrogenation or full hydrogenation can be adjusted via the reaction temperature.
Justus Diekamp   +6 more
wiley   +1 more source

Chemical Profiling and Biological Activity of Copaiba Oil‐Resin Samples and Development of HPLC‐DAD Method for the Analysis of β‐Caryophyllene

open access: yesBiomedical Chromatography, Volume 40, Issue 5, May 2026.
ABSTRACT The Copaifera species are traditionally used for their anti‐inflammatory, antiseptic and healing properties. The objective of this study was to compare the chromatographic profiles of seven samples of copaiba oil‐resin with respect to chromatographic and physicochemical properties and to evaluate their biological activities.
Gabriel de A. P. Graça   +13 more
wiley   +1 more source

Caracterização química e atividade antibacteriana de óleos essenciais de plantas condimentares e medicinais contra Staphylococcus aureus e Escherichia coli

open access: yesRevista Brasileira de Plantas Medicinais, 2014
Os óleos essenciais são metabólitos secundários dos vegetais com propriedades biológicas diferenciadas, dentre elas, a atividade contra microrganismos, sendo de interesse da indústria de alimentos as concentrações mínimas inibitórias (CMI) desses óleos ...
A.F. Millezi   +5 more
doaj   +3 more sources

<b>Atividade antimicrobiana dos óleos essenciais de erva-cidreira e manjericão frente a bactérias de carnes bovinas<br>Antimicrobial activity of essential oils of cidreira-herb and basil against bacteria from bovine meat</b>

open access: yesAlimentos e Nutrição, 2011
<p align="justify"> O presente trabalho teve como objetivo avaliar a atividade antimicrobiana, in vitro, dos óleos essenciais extraídos de Lippia alba (Mill) N. E. Brown e Ocimum basilicum frente a microrganismos isolados de carnes bovinas. Os óleos foram extraídos por hidrodestilação e caracterizados quanto à composição por cromatograï¬
G. G. SANTOS   +7 more
openaire   +1 more source

Carbohydrate–Protein Hydrogels as Fat Replacers: Design Criteria and Benchmarking Against Full‐Fat Systems

open access: yesComprehensive Reviews in Food Science and Food Safety, Volume 25, Issue 3, May 2026.
ABSTRACT Reducing saturated fat while preserving the sensory quality of full‐fat foods remains a major formulation challenge because fat contributes simultaneously to body, lubrication, flavor delivery, and thermal transitions. Carbohydrate–protein (CP) hydrogels are increasingly explored as oil‐free fat replacers, but many systems are developed and ...
Amir Amiri   +4 more
wiley   +1 more source

<b>Avaliação dos óleos e gorduras de fritura de estabelecimentos comerciais da cidade de Campinas/ SP. As boas práticas de fritura estão sendo atendidas?<br>Evaluation of frying fats and oils from commercial establishments of the city of Campinas/SP. </b>

open access: yesAlimentos e Nutrição, 2010
<p align="justify"> A fritura é um método rápido de cocção, em que há transferência de calor do óleo de fritura para o alimento, propiciando características sensoriais únicas de aroma, textura e sabor. Por ser um método bastante conveniente, é amplamente empregado em serviços de alimentação.
C. C. OSAWA   +2 more
openaire   +1 more source

Unveiling the Patterns of Wild Bee‐Plant Interactions on a Large and Mostly Unexplored Mediterranean Island (Sardinia, Italy)

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
An extensive survey of wild bee and bee–plant networks in Sardinia (Italy) highlights high species richness and diversity, particularly in mainland agroecosystems. All interaction networks were highly specialized, modular, and not nested, indicating potential ecological vulnerability, though varying across sites and on a temporal scale.
Matteo Lezzeri   +9 more
wiley   +1 more source

Atividade antimicrobiana de óleos extraídos de açaí e de pupunha sobre o desenvolvimento de Pseudomonas aeruginosa e Staphylococcus aureus

open access: yesBioscience Journal, 2013
O uso de plantas medicinais como forma de combate a patologias humanas vem se tornando uma prática constante, pois a presença de algumas substâncias possibilita a produção de eficientes medicamentos.
Marlon Lima Araújo   +3 more
doaj  

EFEITO DE ÓLEOS ESSENCIAIS CÍTRICOS SOBRE Agrotis ipsilon (HUFNAGEL) (LEPIDOPTERA:NOCTUIDAE)

open access: yesRevista UniVap, 2017
A utilização de plantas inseticidas é cada vez mais frequente no controle de pragas. As plantas podem produzir diferentes compostos com atividade inseticida.
Ingrid Schimidt Kaiser   +5 more
doaj   +1 more source

Natural Remedies for Gut Health: The Role of Plant Extracts in Combating Inflammatory Bowel Disease and Colon Cancer

open access: yesFood Science &Nutrition, Volume 14, Issue 4, April 2026.
Created in BioRender. Haralambie, O. (2025) https://BioRender.com/dh5ly89. ABSTRACT Digestive disorders such as inflammatory bowel disease (IBD) and colorectal cancer are among the most significant global health challenges, largely driven by chronic inflammation and oxidative stress.
Oana‐Roxana Haralambie, Sanda Andrei
wiley   +1 more source

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