Results 81 to 90 of about 19,491 (256)

Chemotypic Characterization and Biological Activity of Rosmarinus officinalis [PDF]

open access: yesFoods, 2017
Rosemary (Rosmarinus officinalis L.) is a popular herb in cooking, traditional healing, and aromatherapy. The essential oils of R. officinalis were obtained from plants growing in Victoria (Australia), Alabama (USA), Western Cape (South Africa), Kenya, Nepal, and Yemen. Chemical compositions of the rosemary oils were analyzed by gas chromatography-mass
Prabodh Satyal   +7 more
openaire   +3 more sources

The Essential Oil Composition in Commercial Samples of Verbena officinalis L. Herb from Different Origins

open access: yesCrops
The key objective of this study was to determine the yield and chemical composition of eight commercial samples and one collected sample of common vervain (Verbena officinalis L.) herb essential oil (EO) originating from seven different countries, and ...
Ain Raal   +6 more
doaj   +1 more source

First Phytochemical Evidence of Chemotypes for the Seagrass Zostera noltii

open access: yesPlants, 2012
The variability of the flavonoid content of two populations of Z. noltii from different geographical zones, i.e., the Bay of Arcachon and the Bay of Cadiz, was evaluated.
Micheline Grignon-Dubois   +1 more
doaj   +1 more source

Hybrid Dynamic Pharmacophore Models as Effective Tools to Identify Novel Chemotypes for Anti-TB Inhibitor Design: A Case Study With Mtb-DapB

open access: yesFrontiers in Chemistry, 2020
Antimicrobial resistance (AMR) is one of the most serious global public health threats as it compromises the successful treatment of deadly infectious diseases like tuberculosis.
Chinmayee Choudhury, Anshu Bhardwaj
doaj   +1 more source

Gene Sequence Based Clustering Assists in Dereplication of Pseudoalteromonas luteoviolacea Strains with Identical Inhibitory Activity and Antibiotic Production [PDF]

open access: yes, 2012
Some microbial species are chemically homogenous, and the same secondary metabolites are found in all strains. In contrast, we previously found that five strains of P.
Brinkhoff   +22 more
core   +2 more sources

Transport engineering as a strategy to realize rapeseed's potential as a protein‐rich food

open access: yesPest Management Science, EarlyView.
The heavily pesticide‐dependent rapeseed is an under‐utilized protein source for food owing to anti‐nutritional glucosinolates. Transport engineering technology may reduce glucosinolates in seeds while increasing defense in vegetative parts. Abstract Rapeseed is the world's second‐largest oilseed crop, and the low‐value press cake that remains after ...
Jakob Skytte Thorsen   +2 more
wiley   +1 more source

Ultra-large library docking for discovering new chemotypes [PDF]

open access: yesNature, 2019
Despite intense interest in expanding chemical space, libraries containing hundreds-of-millions to billions of diverse molecules have remained inaccessible. Here we investigate structure-based docking of 170 million make-on-demand compounds from 130 well-characterized reactions. The resulting library is diverse, representing over 10.7 million scaffolds
Lyu, Jiankun   +13 more
openaire   +4 more sources

How does leaf age affect performance? A comparative study of essential oils from young and mature Eucalyptus globulus leaves in crop protection

open access: yesPest Management Science, EarlyView.
Leaf age influences metabolomic profiling but not bioactivity of Eucalyptus globulus essential oils. Leaf age affects volatile levels of young and adult E. globulus oils, but not their bioactivity. Young leaf essential oil had higher contents of α‐ and β‐pinene. AEEO had higher levels of 1,8‐cineole and trans‐pinocarveol.
Mafalda Pinto   +11 more
wiley   +1 more source

Infraspecific variability in the flavonoid composition of Artemisia vulgaris L. [PDF]

open access: yes, 2006
Surface flavonoid profiles in forty populations of Artemisia vulgaris L. (Asteraceae) were analyzed. The major constituents observed in the leaf exudates were methylated flavonoid aglycones based mainly on quercetin.
M. Nikolova
core   +1 more source

Pollinator diversity and host specificity in threatened Encephalartos cycads and their implications for co‐extinction and species recovery

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The highly threatened African cycad genus Encephalartos faces severe threats such as habitat loss and poaching. In addition, the lack of sexual recruitment due to the absence of pollinators (pollinator collapse) has emerged as another major threat.
Paul D. Janse van Rensburg   +2 more
wiley   +1 more source

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