منابع مشابه
Leaf-closing substance in Leucaena leucocephala.
Potassium (2R,3R)-2,3,4-trihydroxy-2-methylbutanoate (1) was identified as a leaf-closing substance in the nyctinastic plant, Leucaena leucocephala. Compound 1 showed strong leaf-closing activity toward L. leucocephala and was not effective against other nyctinastic plants. The potassium ion was indispensable for the bioactivity of 1. Compound 1 gradually lost its bioactivity because of the exc...
متن کاملPectic Substances
Pectins are a group of plant polysaccharides whose principal component is 1,4-linked a-d-galactosyluronic acid (O’Neill et al., 1990). Pectins are present in the primary cell walls of all seed-bearing plants and in the junction between cells called the middle lamella. The primary wall surrounds growing plant cells, meristematic cells and cells in succulent tissue such as fruit. The secondary wa...
متن کاملComparative analysis of antimicrobial activity of leaf extracts from fresh green tea, commercial green tea and black tea on pathogens
Medicinal plants have been a major source of therapeutic agents for alleviation and cure diseases. In the present investigation comparative analysis of antimicrobial activity of green tea Camellia sinensis fresh leaves, commercial green tea leaves and dust tea against enteropathogens and specific fungi were carried out. The antimicrobial activity of the extracts of Camellia sinensis was analyze...
متن کاملThe therapeutic effectiveness of green tea leaf extract on clinical symptoms in children suffering viral gastroenteritis: A randomized clinical trial
Background: Due to the lack of adequate effectiveness of synthetic drugs and the replacement of fluids and electrolytes in the treatment of acute gastroenteritis in children, the use of herbal and complementary medicine has received special attention today. The aim of this clinical trial study was to evaluate the effect of green tea consumption in improving pediatric viral gastroenteritis. Met...
متن کاملApple Fruit Pectic Substances.
1. The pectic substances of apple have been extracted and separated into a pure pectinic acid and a neutral arabinan-galactan complex by precipitation of the acidic component with ethanol and with cetylpyridinium chloride. 2. The composition of the fractions has been determined. The pectinic acid contained galacturonic acid, arabinose, galactose, rhamnose, xylose and several trace sugars. 3. Tr...
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ژورنال
عنوان ژورنال: Chagyo Kenkyu Hokoku (Tea Research Journal)
سال: 1959
ISSN: 0366-6190
DOI: 10.5979/cha.1959.128