Review on integrated nutrient management of tea (Camellia sinensis L.)
نویسندگان
چکیده
منابع مشابه
Medicinal and therapeutic potentialities of tea (Camellia sinensis L.) – A review
0963-9969/$ see front matter 2009 Elsevier Ltd. A doi:10.1016/j.foodres.2009.01.007 E-mail address: [email protected] The medicinal effects of tea have a history dating back almost 5000 years. The chemical components of green tea chiefly include polyphenols, caffeine and amino acids. Tea also contains flavonoids, compounds reported to have anti-oxidant properties having many beneficial ...
متن کاملStudy on the antioxidant activity of tea flowers (Camellia sinensis).
Major chemical compounds in different extracts from tea flowers (Camellia sinensis) were analyzed. Distilled water or 70% ethanol extracts were then fractionated with chloroform, ethyl acetate and n-butanol, respectively. Each extract fraction was tested its scavenging activities on 2,2-diphenyl-1-picrylhydrazyl (DPPH) and hydroxyl free radicals. The results showed that ethyl acetate fraction o...
متن کاملEffects of light and darkness on polyphenol distribution in the tea plant (Camellia sinensis L.).
1. Flavonoid synthesis was able to proceed in darkness in young shoots and seedlings of the tea plant, but was increased by light. 2. The initial effect of darkness was to inhibit synthesis of the A ring or its linkage to the phenylpropane moiety of the flavonoid, but later the hydroxylation state of the flavanols was affected, leading to smaller proportions of gallocatechins and of complex leu...
متن کاملStudy on lead levels in infusion time of imported green and black tea (Camellia sinensis L)
Background: Nowadays, tea is the most popular and frequently consumed beverages in the world after water. There are some beneficial trace elements in tea such as fluoride, caffeine and essential minerals, although there may be heavy metals in tea leaves which threat seriously human health. Therefore, the main objective of current study was to determine and monitor lead content in imported black...
متن کاملExpression 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...
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ژورنال
عنوان ژورنال: Cogent Food & Agriculture
سال: 2018
ISSN: 2331-1932
DOI: 10.1080/23311932.2018.1543536