Antimicrobial properties of tea (Camellia sinensis L.)

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Tea (Camellia sinensis (L.)): a putative antimicrobial agent in sexually transmitted infections

Much research is available depicting the health benefits of tea (Camellia sinensis (L.)) for a wide variety of implications, including Sexually Transmitted Infections (STIs). Acquired Immunodeficiency Syndrome (AIDS), Human Papilloma Virus (HPV) infections, vulvovaginal candidosis and vaginal bacteriosis are some of the most prevalent STIs. Several scientific studies indicate that tea is an exc...

متن کامل

5-Dehydroshikimate reductase in the tea plant (Camellia sinensis L.). Properties and distribution.

1. A method for the extraction of 5-dehydroshikimate reductase (EC 1.1.1.25) from tea plant tissues in an active soluble state has been developed. It is dependent on the use, in the extraction medium, of an insoluble polyphenol adsorbent (Polyclar AT), which prevents the polyphenols present from precipitating all the proteins. 2. The enzyme has the following properties: pH optima at pH10.1 in g...

متن کامل

Phytochemical Screening and Antimicrobial Properties of a Common Brand of Black Tea (Camellia sinensis) Marketed in Nigerian Environment.

PURPOSE This study is aimed at determining chemical constituents and antimicrobial activities of a common brand of black tea (Lipton®) in Nigeria. METHOD Standard methods were employed for testing carbohydrates, tannins, saponins, flavonoids, alkaloids, steroids and terpenes in the tea. Antimicrobial activities of methanolic and aqueous extracts of the tea on four standard strains of organism...

متن کامل

Expression of caffeine biosynthesis genes in tea (Camellia sinensis).

Using semi-quantitative reverse transcription-PCR, we studied the expression of genes encoding caffeine synthase (TCS1), inosine-5'-monophosphate dehydrogenase (TIDH), S-adenosyl-L-methionine synthase (sAMS), phenylalanine ammonia-lyase (PAL) and alpha-tubulin (Tua1) in young and mature leaves, stems and roots of 4-month-old tea seedlings and young and old tea tissue cultures. The amounts of tr...

متن کامل

Chemopreventive effect of green tea (Camellia sinensis) among cigarette smokers.

Chemopreventive effects of green tea and coffee among cigarette smokers were examined in 52 clinically healthy male subjects between 20 and 52 years of age. Blood specimens were obtained from nonsmokers (group I), smokers (group II), smokers consuming green tea (group III), and smokers drinking coffee (group IV). The mean number of cigarette smoking years (> 10 cigarettes/day) in groups II-IV r...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Antimicrobial Agents and Chemotherapy

سال: 1995

ISSN: 0066-4804,1098-6596

DOI: 10.1128/aac.39.11.2375