نتایج جستجو برای: چای سبز camellia sinensis l

تعداد نتایج: 635686  

F. Ghanati, M. Rahmati Ishka

The effect of abscisic acid (ABA) and excess benzyladenine (BA) on the formation of shoot from tea (Camellia sinensis L. assamica × sinensis) leaf was investigated in this research. Callus was formed and grew well when explants were cultured on LS basal medium supplemented with (in mg/L) thiamine-HCl, 1.25; pyridoxine-HCl, 0.625; nicotinic acid, 0.625; indole-3-acetic acid (IAA), 30; naphthalen...

2008
Akiko Ogino Junichi Tanaka Katsuyuki Yoshida Fumiya Taniguchi Yoshiyuki Takeda

Antllocyanin-rich crops have attracted attention in recent years because of their health benefits, and anthocyanin-rich tea is one of these crops. 'F95181' (Camellia sinensis) was developed for breeding anthosyanin-rich tea cultivars and registered as a new parental line 'Cha Chuukanbohon Nou 6' (C. sinensis) in 2004. 'F95181' was selected from an interspecific cross betweell C. taliensis (a wi...

2017
Qingshan Xu Junyan Zhu Shiqi Zhao Yan Hou Fangdong Li Yuling Tai Xiaochun Wan ChaoLing Wei

Characteristic secondary metabolites, including flavonoids, theanine and caffeine, are important components of Camellia sinensis, and their biosynthesis has attracted widespread interest. Previous studies on the biosynthesis of these major secondary metabolites using next-generation sequencing technologies limited the accurately prediction of full-length (FL) splice isoforms. Herein, we applied...

2016
Marco Vinicio Ramirez-Mares Hideka Kobayashi Elvira Gonzalez de Mejia

In vitro cell proliferation, cell cycle arrest and induction of apoptosis were investigated, using three human head and neck squamous cell carcinoma (HNSCC) cell lines (OSCC-3, SCC-61, and SQ-20B). Aqueous extracts of Camellia sinensis, Ilex paraguariensis, and Ardisia compressa were tested and (-) epigallocatechin-3-gallate (EGCG) was used for comparison. For EGCG the IC50 values were between ...

2017
Ebubekir Altuntas Merve Yildiz

BACKGROUND Camellia sinensis is the source of tea leaves and it is an economic crop now grown around the World. Tea seed oil has been used for cooking in China and other Asian countries for more than a thousand years. Tea is the most widely consumed beverages after water in the world. It is mainly produced in Asia, central Africa, and exported throughout the World. Some engineering properties (...

2017
Zhi-Wei Liu Zhi-Jun Wu Hui Li Yong-Xin Wang Jing Zhuang

L-Theanine content has tissues and cultivars specificity in tea plant (Camellia sinensis L.), the correlations of theanine metabolic related genes expression profiles with theanine contents were explored in this study. L-theanine contents in the bud and 1st leaf, 2nd leaf, 3rd leaf, old leaf, stem, and lateral root were determined by HPLC from three C. sinensis cultivars, namely 'Huangjinya', '...

Journal: :Journal of chromatographic science 2014
Ghada M Hadad Randa A Abdel Salam Rabab M Soliman Mostafa K Mesbah

A high-performance liquid chromatography method employing diode array detection was developed to determine levels of the major catechins, proanthocyanidin (procyanidin B2), caffeine, thymoquinone and carvacrol and its isomer, thymol, which are present in different natural complex matrices found in commercial products of Camellia sinensis L. and/or Nigella sativa L. Reversed-phase separation was...

2012
P Nand

Extracts of Camellia sinensis Linn. leaves, Glycyrrhiza glabra Linn. roots and rhizome and Calendula officinalis Linn. flowers were screened for their in vitro antimicrobial activity using agar disc diffusion method. The antimicrobial activity of petroleum ether, dichloromethane and methanolic extracts of different parts of these plants were studied against acne causing bacteria, namely Staphyl...

2012
Guillermo Ramírez Miguel Zavala Julia Pérez Alejandro Zamilpa

This work shows the inhibitory effect on glucosidase and lipase enzymes of 23 medicinal plants described as traditional treatments for diabetes in several Mexican sources. Hydroalcoholic extracts of selected plants were evaluated at 1 mg/mL for glucosidase and 0.25 mg/mL for lipase inhibitory activities, respectively. Camellia sinensis, acarbose, and orlistat were used as positive controls. Dos...

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