Results 91 to 100 of about 33,031 (210)

Was the evolution of faster stomata driven by increased gas exchange rates rather than increasing water use efficiency?

open access: yesNew Phytologist, Volume 249, Issue 5, Page 2355-2371, March 2026.
Summary Following changes in light flux, photosynthesis (A) typically adjusts more quickly than stomatal conductance (gs), which is dependent on changes in stomatal aperture. Faster stomatal responses are proposed to reduce water loss and enhance growth in dynamic light environments. Stomatal opening and closing parameters were determined in a range of
Robert A. Brench   +4 more
wiley   +1 more source

Mitochondrial effects of Ginkgo biloba extract [PDF]

open access: yes, 2017
Oxidative stress and mitochondrial failure promote altered protein degradation, reduced neurotransmission, synapse loss and tau/hyperphosphorylation, which are early stages in the development of Alzheimer's disease (AD). A growing volume of data confirms
Eckert, Anne
core  

Effects and treatment methods of acupuncture and herbal medicine for premenstrual syndrome/premenstrual dysphoric disorder: systematic review [PDF]

open access: yes, 2014
BACKGROUND: During their reproductive years about 10% of women experience some kind of symptoms before menstruation (PMS) in a degree that affects their quality of life (QOL).
Dong Il Kim, Min-Sun Choi, Su Hee Jang
core   +1 more source

Cardioprotective Action of Ginkgo biloba Extract against Sustained β-Adrenergic Stimulation Occurs via Activation of M2/NO Pathway

open access: yesFrontiers in Pharmacology, 2017
Ginkgo biloba is the most popular phytotherapic agent used worldwide for treatment of several human disorders. However, the mechanisms involved in the protective actions of Ginkgo biloba on cardiovascular diseases remain poorly elucidated.
Thássio R. R. Mesquita   +15 more
doaj   +1 more source

Разработка и исследование фитоэкстрактов, содержащих флавоноиды [PDF]

open access: yes, 2018
Объектaми исследования послужило лекарственное растительное сырье астрагала серпоплодного и гинкго билоба, а также жидких экстрактов на их основе.
Богатырева, З. Н.   +4 more
core   +1 more source

Permian ginkgophyte fossils from the Dolomites resemble extant O-ha-tsuki aberrant leaf-like fructifications of Ginkgo biloba L

open access: yesBMC Evolutionary Biology, 2010
Background Structural elucidation and analysis of fructifications of plants is fundamental for understanding their evolution. In case of Ginkgo biloba, attention was drawn by Fujii in 1896 to aberrant fructifications of Ginkgo biloba whose seeds are ...
Kustatscher Evelyn   +3 more
doaj   +1 more source

The Comparison of Ginkgo biloba and Cinnarizine effectiveness in tinnitus intensity of patients with subjective tinnitus [PDF]

open access: yes, 2015
Background and Aim: Subjective Tinnitus is one of the common problems in the world whose prevalence is estimated to be 7-20 percent in the community. In the present study, effectiveness of Ginkgo biloba with that of cinnarizine on subjective tinnitus ...
Amani, Soroush.   +4 more
core   +1 more source

Application of reverse-flow micellar electrokinetic chromatography for the simultaneous determination of flavonols and terpene trilactones in Ginkgo biloba dosage forms [PDF]

open access: yes, 2006
A reverse-flow micellar electrokinetic chromatographic (RF-MEKC) method was developed for the simultaneous qualitative determination of 10 components consisting of the flavonol glycosides, rutin and quercitrin, the flavonol aglycones, isorhamnetin ...
Dubber, M-J, Kanfer, I
core   +1 more source

Adulteration and Poor Quality of Ginkgo biloba Supplements [PDF]

open access: yes, 2016
Adulteration of Ginkgo products sold as unregistered supplements within the very large market of Ginkgo products (reputedly £650 million annually) through the post-extraction addition of cheaper (e.g.
Abad   +12 more
core   +1 more source

Effect of Ginkgo biloba, Risperidone and Biperiden regimen in chronic schizophrenia [PDF]

open access: yes, 2012
Background and Objective: Schizophrenia is a disorder characterized by a chronic recurrent course. Despite the availability of an ever-expanding range of typical and atypical antipsychotics, a substantial proportion of patients with schizophrenia show ...
Goodarzi, Iraj.   +4 more
core  

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