Results 11 to 20 of about 128,379 (343)
Antioxidant Properties of Polyphenolic Extracts from Quercus Laurina, Quercus Crassifolia, and Quercus Scytophylla Bark [PDF]
Antioxidants, 2018 The objective of this work was to determine the concentration of total phenols, total flavonoids, hydroxycinnamic acids, and proanthocyanidins present in crude extracts of Quercus laurina, Q. crassifolia, and Q. scytophylla bark.
Eréndira Valencia-Avilés +6 more
semanticscholar +4 more sources
Forests, 2021 The oak flora of North America north of Mexico is both phylogenetically diverse and species-rich, including 92 species placed in five sections of subgenus Quercus, the oak clade centered on the Americas. Despite phylogenetic and taxonomic progress on the
Paul S. Manos, A. Hipp
semanticscholar +1 more source
Genomics, 2021 China is a second center of oak diversity but with less intensively systematic studies. Here, with 49 species representing all four sections in China, we firstly gave insight into the comprehensive phylogenetic relationships of Chinese oaks based on 54 ...
Yan-Ci Yang +3 more
semanticscholar +1 more source
Estructura i contingut de nutrients a les capçades de "Quercus ilex" L. del bosc de les muntanyes de Prades: influència de les condicions naturals de creixement i efecte de manipulacions experimentals [PDF]
, 1993 [cat] L'objectiu general d'aquesta tesi queda emmarcat dins del coneixement del bosc mediterrani i en concret de l'alzinar. El que s'ha pretés és analitzar en el cas de l'alzina (Quercus ilex L.).
Sabaté i Jorba, Santi
core +6 more sources
IEEE Access, 2021 Internet of Things (IoT) is being applied to areas as smart-cities, home environment, agriculture, industry, etc. Developing, deploying and testing IoT projects require high investments on devices, fog nodes, cloud nodes, analytic nodes, hardware and ...
Jose A. Barriga +3 more
doaj +1 more source
Andricus pseudocecconii sp. nova (Hymenoptera: Cynipidae: Cynipini) from Iran [PDF]
نامه انجمن حشرهشناسی ایران, 2022 A new species of oak gall wasp, Andricus pseudocecconii Melika, Tavakoli & Stone, sp. nov. (Hymenoptera: Cynipidae, Cynipini) is described. Descriptions, diagnoses, biology, and host associations for the new species are given.
George Melika +4 more
doaj +1 more source
A Comprehensive Review of Phytochemistry and Biological Activities of Quercus Species
Forests, 2020 The Quercus genus provides a large amount of biomaterial with many applications in fields like pharmaceutics, cosmetics, and foodstuff areas. Due to the worldwide dissemination of the genus, many species were used for centuries in traditional healing ...
E. Burlacu, Adrian Nișca, C. Tanase
semanticscholar +1 more source
Science of the Total Environment, 2016 The pollen grains of Quercus spp. (oak trees) are allergenic. This study investigates airborne Quercus pollen in SW Spain with the aim identifying favourable conditions for atmospheric transport and potential sources areas.
Jose Maria Maya Manzano +7 more
semanticscholar +2 more sources
A SLR on Customer Dropout Prediction
IEEE Access, 2022 Dropout prediction is a problem that is being addressed with machine learning algorithms; thus, appropriate approaches to address the dropout rate are needed.
Pedro Sobreiro +3 more
doaj +1 more source
Molecular diversity and phylogenetic analysis of Azerbaijan oaks (Quercus spp.) revealed by RAPD markers [PDF]
Caspian Journal of Environmental Sciences, 2021 Although Azerbaijan is a center of natural distribution and diversity of genus Quercus around the world, less published data can be found about PCR-based genetic diversity in prevalent oak accessions. The present study aims at finding molecular variation
Gullu Aliyeva +2 more
doaj +1 more source