نتایج جستجو برای: tea industry

تعداد نتایج: 213328  

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2005
Mark R Rheault Donna M Debicki Michael J O'Donnell

Basolateral transport of the prototypical type I organic cation tetraethylammonium (TEA) by the Malpighian tubules of Drosophila melanogaster was studied using measurements of basolateral membrane potential (V(bl)) and uptake of [(14)C]-labeled TEA. TEA uptake was metabolically dependent and saturable (maximal rate of mediated TEA uptake by all potential transport processes, reflecting the tota...

2014
Xiaoliang Tong Anne W Taylor Lynne Giles Gary A Wittert Zumin Shi

BACKGROUND Data relating to the association between tea consumption and blood pressure change are inconsistent. The aim of this analysis was to investigate the association between tea consumption and the change in blood pressure (BP) in Chinese adults over a 5-year period. METHODS Data from 1109 Chinese men (N= 472) and women (N= 637) who participated in the Jiangsu Nutrition Study (JIN) were...

2018
Pei Cao Dajin Yang Jianghui Zhu Zhaoping Liu Dingguo Jiang Haibin Xu

BACKGROUND China has the world's largest tea plantation area in the world. To sustain high yields of the tea, multiple pesticides are used on tea crops to control pests. Organophosphorus (OP) pesticides are among the most widely used types of agricultural pesticides in China. As tea is a significant potential source of exposure to pesticide residues, the public concern has increased in relation...

Journal: :iranian journal of biotechnology 2013
esmaeil zakipour-molkabadi zohreh hamidi-esfahani mohammad ali sahari mohammad hosein azizi

background: tannase can be obtained from the various sources for example tannin rich plants; however microbial sources are preferred for industrial production. in microbial sources, the aspergillus and penicillium genus and lactic acid bacteria mostly produce tannase. however, it has been identified that this enzyme is produced by many fungi and bacteria, but researches are continuing to find n...

2017
Erina Koshi Toshiki Enomoto

Roasted stem tea has a characteristic flavour, which is obtained by roasting tea stems, by-product of green tea production. The difference between roasted stem and leaf tea derived from the same tea plants were investigated using GC–MS. Pyrazine compounds exhibited a roasted odour and high flavour dilution (FD) factors, as determined via aroma extract dilution analysis (AEDA). Roasted stem tea ...

Journal: :The American journal of clinical nutrition 2000
V M Hegarty H M May K T Khaw

BACKGROUND High caffeine intake is reportedly a risk factor for reduced bone mineral density (BMD) in women. Most studies, however, are from populations in which coffee drinking predominates and is the major caffeine source. Tea contains caffeine but also has other nutrients, such as flavonoids, that may influence bone mass in different ways. OBJECTIVE We examined the relation between tea dri...

Journal: :Carcinogenesis 2000
G Caderni C De Filippo C Luceri M Salvadori A Giannini A Biggeri S Remy V Cheynier P Dolara

We investigated whether polyphenolic extracts from black tea, green tea or red wine affect azoxymethane (AOM)-induced intestinal carcinogenesis. Male F344 rats were treated 10 times (1 week apart) with AOM (7.4 mg/kg, s.c.) and then allocated into groups receiving black tea, green tea or red wine extracts mixed in the diet at a dose of 50 mg/kg body weight for 16 weeks. In the rats treated with...

Journal: :Journal of Petroleum Exploration and Production Technology 2021

Abstract Wax precipitation has become a serious problem for the petroleum industry. The occurs when there is equilibrium disturbance on pressure and temperature as well crude oil composition. deposits will eventually result in restriction of fluid flow inside pipeline, severe deposition cause blockage. chemical additives currently being implemented industry have various limitations including hi...

2016
Suzana Saric Manisha Notay Raja K. Sivamani

Polyphenols are antioxidant molecules found in many foods including nuts, fruits, vegetables, chocolate, wine, and tea. Polyphenols have antimicrobial, anti-inflammatory, and antineoplastic properties. Recent studies suggest that tea polyphenols may be used for reducing sebum production in the skin and for treatment of acne vulgaris. This review examines the evidence for use of topically and or...

Journal: :The Journal of nutrition 2009
Martha J Shrubsole Wei Lu Zhi Chen Xiao Ou Shu Ying Zheng Qi Dai Qiuyin Cai Kai Gu Zhi Xian Ruan Yu-Tang Gao Wei Zheng

Green tea is a commonly consumed beverage in China. Epidemiological and animal data suggest tea and tea polyphenols may be preventive against various cancers, including breast cancer. Catechol-O-methyltransferase (COMT) catalyzes catechol estrogens and tea polyphenols. The COMT rs4680 AA genotype leads to lower COMT activity, which may affect the relationship between green tea consumption and b...

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