Results 31 to 40 of about 11,276 (211)
Revista Colombiana de Química, 2015 En este trabajo se evaluó la posible correlación entre las actividades antioxidantes, el contenido de fenoles totales (CFT) y la composición química de Lamiaceae (H. conferta, H. dilatata, H. mutabilis, H. suaveolens), Burseraceae (P.
Geovanna Tafurt García +2 more
doaj +1 more source
ESSENTIAL OIL OF Protium unifoliolatum (BURSERACEAE) [PDF]
Acta Amazonica, 1993 The major constituents of the leaf essential oil of P. unifoliolatumare trans-caryophyllene (37.45%), limonene (24.23%) and α-humulene (9.94%).
Maria das G. B. ZOGHBI +2 more
doaj +1 more source
CONSTITUINTES QUÍMICOS DE Protium paniculatum (BURSERACEAE) [PDF]
Acta Amazonica, 1993 Dos extratos etéreo e etanólico da casca da madeira de Protium paniculatum Engl. foram isolados á e β-AMIRINA (0,012%), β-sitosiero! e estigmasterol (0,003%) e o ácido 3,3'-di-0-metilelágico (0,093%0).
Maria das G. B. ZOGHBI +3 more
doaj +1 more source
Química Nova, 2005 Three mixtures of triterpenes (maniladiol and breine; alpha and beta-amyrin; lupenone, alpha and beta-amyrinone) were isolated from Protium heptaphyllum March resin. The structural identification was based on NMR and mass spectrometry data. Lupenone, and
Gerardo Magela Vieira Júnior +2 more
doaj +1 more source
Conservation status of species used in the UK herbal medicine industry
PLANTS, PEOPLE, PLANET, EarlyView.Given the ongoing biodiversity crisis, sustainable use and management of medicinal plants is critical. We assessed the conservation status, threats and conservation actions of 298 species sold by UK suppliers to medical herbalists. We found that most species used are unevaluated, representing a gap in conservation knowledge, and of those with ...
Isabella Flowers +2 more
wiley +1 more source
Mel Amargo de Breu (Protium sp., Burseraceae) [PDF]
Acta Amazonica, 2003 Foi analisada uma amostra de mel amargo procedente do Município de Mucajaí (Roraima, Brasil), Floresta de Apiaú. A análise polínica constatou a dominância de pólen de breu (Protium sp.) compreendendo 60,9% do total de grãos de pólen.
Antonio Carlos MARQUES-SOUZA +1 more
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Archaeometry, EarlyView.ABSTRACT This study focuses on two terracotta incense burners discovered in the Daba Al‐Bayah necropolis in the Musandam Peninsula (Oman), associated with an Iron Age collective tomb (LCG‐2). Through gas chromatography–mass spectrometry (GC‐MS), the organic residues preserved within these artifacts were analyzed to investigate their use and ...
Francesco Genchi +3 more
wiley +1 more source
Insects and Survival: A Review of Primary and Secondary Defense Strategies
Entomologia Experimentalis et Applicata, EarlyView.Based on a review of three decades of literature, insect defense mechanisms are classified into primary (I) and secondary (II) mechanisms of behavioral, morphological, and chemical nature. These mechanisms have been recorded in 22 (I) and 20 (II) orders, respectively.
Lucas Fernandes Silva +3 more
wiley +1 more source
A preliminary study on the distribution of fruit tree taxa at Ayer Hitam Forest Reserve, Selangor [PDF]
, 2001 An assessment on the fruit trees families Burseraceae, Sapindaceae and Meliaceae showed that 714 trees from 10 genera representing 26 species were identified in the 5-ha plot.
Edham, Ibrahim +2 more
core
Extracting predictive models from marked-p free-text documents at the Royal Botanic Gardens, Kew, London [PDF]
, 2014 In this paper we explore the combination of text-mining, un-supervised and supervised learning to extract predictive models from a corpus of digitised historical floras.
A. Tucker +4 more
core +1 more source