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Potassium is one of the three main mineral nutrients, and is vital for leaf growth and the quality of tobacco (Nicotiana tabacum) plants. In recent years, the isobaric tags for relative and absolute quantitation (iTRAQ) method has been one of the most popular techniques for quantitative proteomic
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Organic acids secreted from the roots of plants play important roles in nutrient acquisition and metal detoxification; however, the precise underlying mechanisms of these processes remain poorly understood. In the present study we examined the content of organic acids exuded from roots and the
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Background: In the previous study, we investigated the alleviation effect of grafting on potassium uptake in roots and tobacco growth inhibition under low potassium stress. However, the effect of grafting on the low potassium stress
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Assays in vitro and in vivo were performed on extract from roots and leaves from the Valeriana prionophylla Standl. (VPR and VPF, resp.). In phenylephrine (1 μ M) precontracted rings, VPR (0.01-300 μ g/mL) induced a concentration-dependent relaxation (maximum response (MR) = 75.4 ± 4.0%, EC50 = 5.97
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The development of protein bodies in proteinoplasts of tobacco (Nicotiana tabacum L. var. Wis. 38) roots was investigated with TEM, HVEM, and enzyme cytochemistry. These plastids contain a three-dimensional network of fenestrated tubules which originate from invaginations of the inner membrane of
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A pot experiment was conducted to study the impacts of Cd and Pb pollution on soil microbes in tobacco root zone and the quality of tobacco leaves. The results indicated that the higher concentrations of Cd and Pb in soil, the less soil microbes in tobacco root zone. When the levels of Cd and Pb
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The valepotriates isovaltrate and valtrate, and the essential oil compound valeranone caused a suppression of rhythmic contractions in a closed part of the guinea-pig ileum in-vivo. The same compounds and didrovaltrate relaxed potassium stimulated contractures and inhibited BaCl2 contractions in
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The roots and rhizomes of Valeriana jatamansi have long been used as folk medicine in Asia and usually named as "Zhizhuxiang" in Chinese for the treatment of abdominal distention and pain. However, its active ingredients and molecular targets for treatment of abdominal pain remain unrevealed.
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OBJECTIVE
This study was undertaken to investigate pulmonary vascular response to valerian (Valeriana officinalis) in the feline pulmonary vasculature under constant flow conditions.
METHODS
In separate experiments, the effects of NG-L-nitro-L-arginine methyl ester (L-NIO), a nitric oxide synthase
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Dietary supplements are widely used for desired effects on memory, insomnia, mood and anxiety. This review focuses on supplements which have anxiolytic or mild relaxation properties and enhance mood. For example, Kava (Piper methysticum) is reported to have anaxiolytic actions and to reduce tension
Най-пълната база данни за лечебни билки, подкрепена от науката
Работи на 55 езика
Билкови лекове, подкрепени от науката
Разпознаване на билки по изображение
Интерактивна GPS карта - маркирайте билките на място (очаквайте скоро)
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