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RISS 인기검색어
- 검색키워드
- 저자 : ( Kodithuwakku Kankanange Indika Upali Arunakumara ) (검색결과 3 건)
- 무료
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( Kodithuwakku Kankanange Indika Upali Arunakumara ),( Buddhi Charana Walpola ),( Siripala Subasinghe ),( Min Ho Yoon ) 한국응용생명화학회(구 한국농화학회) 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.4
Pterocarpus santalinus Linn.f., commonly known as Red sanders, belongs to the family Fabaceae. It is endemic to India and considered globally endangered, with illegal harvest being a key threat. The plant is renowned for its characteristic timber of exquisite color, beauty, and superlative technical qualities. The red wood yields a natural dye santalin, which is used in coloring pharmaceutical preparations and foodstuffs. In the traditional system of medicine, the decoction prepared from the heartwood is attributed various medicinal properties. It has been used in inducing vomiting and treating eye diseases, mental aberrations, and ulcers. The heartwood of Red sanders is known to have antipyretic, anti-inflammatory, anthelmintic, tonic, hemorrhage, dysentery, aphrodisiac, and diaphoretic activities. It has also been used as a cooling agent. Ethanol extract of stem bark was reported to possess anti-hyperglycaemic activity. The wood in combination with other drugs is also prescribed for snake bites and scorpion stings. Phytochemical investigations of aqueous and ethanol extracts of stem bark revealed the presence of alkaloids, phenols, saponins, glycosides, flavonoides, triterpenoides, sterols, and tannins. The heart wood contains isoflavone glucosides and two anti-tumour lignans, viz., savinin and calocedrin. However, the species has remained unexplored for many pharmacological activities claimed. The present paper reviewed botany, uses, phytochemistry, and pharmacology of P. santalinus.
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Aluminum Toxicity and Tolerance Mechanism in Cereals and Legumes - A Review
Arunakumara, Kodithuwakku Kankanange Indika Upali,Walpola, Buddhi Charana,Yoon, Min-Ho 한국응용생명화학회 2013 Applied Biological Chemistry (Appl Biol Chem) Vol.56 No.1
Aluminum (Al), the third most abundant element overall, after silicon and oxygen, is found virtually in all food, air, soil and water. Under acidic conditions, Al is solubilized into $[Al(H_2O)_6]^{3+}$, which is highly toxic to many plant species. Present paper reviewed Al toxicity and tolerance mechanism in agricultural plants with special reference to cereals and legumes. Even at micromolar concentrations, cell division in the root tip meristem in sensitive plants is quickly inhibited by $Al^{3+}$. Expressing the species-dependent manner of response, growth enhancement at low concentrations of $Al^{3+}$ is also reported from some plants such as soybean. Plasma membrane can be identified as the primary target of Al toxicity, where production of higher reactive oxygen species and higher fatty acid peroxidation has been observed due to alteration of plasma membrane integrity. Though, toxicity and the mechanisms attributed to Al-resistance are extremely complex phenomena, exclusion is widely accepted as the key mechanism involved in detoxifying $Al^{3+}$. Exudation of chelating ligands, formation of pH barrier at the rhizosphere or at root apoplasm, cell wall immobilization, selective permeability of the plasma membrane, and Al efflux have been proposed as the possible mechanisms for Al exclusion. Al-induced exudation in cereals and legumes is dominated by citrate, malate, and oxalate in varying degrees depending on the species and/or cultivar. Apart from sensitive cultivars, moderately tolerant or tolerant cultivars can also be distinguished from various kinds of cereals and legumes. However, reliable techniques for screening such resistant genotypes have not been developed for any economically important crops.
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Arunakumara, Kodithuwakku Kankanange Indika Upali,Walpola, Buddhi Charana,Subasinghe, Siripala,Yoon, Min-Ho The Korean Society for Applied Biological Chemistr 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.4
Pterocarpus santalinus Linn.f., commonly known as Red sanders, belongs to the family Fabaceae. It is endemic to India and considered globally endangered, with illegal harvest being a key threat. The plant is renowned for its characteristic timber of exquisite color, beauty, and superlative technical qualities. The red wood yields a natural dye santalin, which is used in coloring pharmaceutical preparations and foodstuffs. In the traditional system of medicine, the decoction prepared from the heartwood is attributed various medicinal properties. It has been used in inducing vomiting and treating eye diseases, mental aberrations, and ulcers. The heartwood of Red sanders is known to have antipyretic, anti-inflammatory, anthelmintic, tonic, hemorrhage, dysentery, aphrodisiac, and diaphoretic activities. It has also been used as a cooling agent. Ethanol extract of stem bark was reported to possess anti-hyperglycaemic activity. The wood in combination with other drugs is also prescribed for snake bites and scorpion stings. Phytochemical investigations of aqueous and ethanol extracts of stem bark revealed the presence of alkaloids, phenols, saponins, glycosides, flavonoides, triterpenoides, sterols, and tannins. The heart wood contains isoflavone glucosides and two anti-tumour lignans, viz., savinin and calocedrin. However, the species has remained unexplored for many pharmacological activities claimed. The present paper reviewed botany, uses, phytochemistry, and pharmacology of P. santalinus.
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