نتایج جستجو برای: dracocephalum kotschyiexplantsplant growth regulatorsorganoganasis

تعداد نتایج: 818499  

2016
Viktor Ilkei András Spaits Anita Prechl Áron Szigetvári Zoltán Béni Miklós Dékány Csaba Szántay Judit Müller Árpád Könczöl Ádám Szappanos Attila Mándi Sándor Antus Ana Martins Attila Hunyadi György Tibor Balogh György Kalaus (†) Hedvig Bölcskei László Hazai Tibor Kurtán

Starting from racemic naringenin ((±)-1), a mixture of dracocephin A stereoisomers 6-(2"-pyrrolidinone-5"-yl)naringenin (±)-2a-d and its regioisomer, dracocephin B 8-(2"-pyrrolidinone-5"-yl)naringenin (±)-3a-d originally isolated from Dracocephalum rupestre, have been synthesized in a one-pot reaction. The separation of 2a-d and 3a-d was achieved by preparative HPLC. The four stereoisomers of e...

2017
Asma Akter Paolo Biella Jan Klecka

Plants often grow in clusters of various sizes and have a variable number of flowers per inflorescence. This small-scale spatial clustering affects insect foraging strategies and plant reproductive success. In our study, we aimed to determine how visitation rate and foraging behaviour of pollinators depend on the number of flowers per plant and on the size of clusters of multiple plants using D...

2016
Wei Zheng Qilan Wang Xiaohua Lu Qiangqiang Shi Junhui Zou Yanduo Tao Pu Wang

Dracocephalum heterophyllum (DH) is a Chinese herbal medicine used in treating hepatitis. However, the protective effects and pharmacological mechanisms of DH in hepatitis are unknown. In this study, we found that pretreatment with DH extract significantly ameliorated liver injury and suppressed the production of inflammatory cytokines, including tumor necrosis factor (TNF-α) and interferon-γ (...

Journal: :Horticulturae 2022

Dracocephalum jacutense is endemic to eastern Siberia of Russia and accepted in the rare endangered category. The plant was first collected by K.S. Baikov 1985 vicinity village Sangar (Kobyaysky district, Yakutia) then described G.A. Peshkova “Flora Siberia” 1997. D. has been introduced Botanical Garden Yakutia since 2009. aim this work conduct a comparative analysis chemical composition aerial...

Journal: Journal of Herbal Drugs 2020

Background & Aim: Iran with about 8000 plant species and 1728 endemic species; is one of the most important sources of medicinal plants. Dracocephalum kotschyi Boiss., belonging to the Lamiaceae family, is one of the endemic plants in Iran. It grows in regions of Chaharmahal and Bakhtiari, Esfahan, Gorgan, Mazandaran, Hamedan, Kermanshah, Lorestan, Tehran, Fars and the northern heights of Semna...

Journal: :Anales Del Jardin Botanico De Madrid 2022

Dracocephalum ruyschiana L. is an Eurasian continental species with a fragmented distribution extending from the boreal regions to Asian steppes and European mountains. In Pyrenees it only known three locations in France, but two of them have not been rediscovered modern times, there are no citations Spain or Andorra. summer 2021 population was found Val d’Aran (Catalan Pyrenees, Spain). A comp...

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