Seasonal changes in the organic acids of rhubarb (Rheum hybridum)
نویسندگان
چکیده
منابع مشابه
The Organic Acids of Rhubarb (rheum Hybridum)*
“General pronouncements on the significance of the plant acids are at present probably of little value. . . The true significance of the acid metabolism of plants may perhaps lie close to Kostytchev’s later point of view that these acids are the building stones from which some of the complex plant products originate. . . The plant acids are possibly convertible into amino acids and proteins, co...
متن کاملThe Organic Acids of Rhubarb (rheum Hybridum)* Iii. the Behavior of the Organic Acids during Culture of Excised Leaves
The organic acids of the rhubarb plant have been repeatedly investigated and brief reviews of the literature are to be found in the papers of Culpepper and Caldwell (1) and of Allsopp (2). The latter investigator has recently studied the quantities and distribution of the acids of the plant throughout the year, and has clearly shown that these substances play an active part in the general metab...
متن کاملThe Organic Acids of Rhubarb (rheum Hybridum) * I. on the Malic Acid of Rhubarb, with a Note on the Malic Acid of Tobacco Leaves
The extensive literature on the occurrence of malic acid in plant tissues was reviewed by Franeen and Keyssner (1) in 1923. Although they found that the conclusive tests of isolation and chemical identification had been applied in relatively few cases, there is no question that this acid is widely distributed in nature and is of great importance in plant metabolism. In those instances in which ...
متن کاملRheum emodi (Rhubarb): A Fascinating Herb
Rheum emodi or Himalayan rhubarb is a perennial herb belongs to family Polygonaceae. It has been used in various traditional systems as laxative, tonic, diuretic and to treat fever, cough, indigestion, menstrual disorder since antiquity. This paper consists of literature of Rheum emodi regarding its ethnobotany, folkloric uses, chemical properties and pharmacological studies. The material was c...
متن کاملDietary rhubarb (Rheum rhaponticum) stalk fibre does not lower plasma cholesterol levels in diabetic rats.
Rhubarb (Rheum rhapontiam) stalk fibre was previously shown to be hypolipidaemic under clinical and experimental conditions. The present study was undertaken to investigate whether rhubarb stalk fibre has a hypolipidaemic effect under diabetic conditions. Two models of diabetic rats were used: streptozotocin-induced diabetic rats, and diabetes-prone BB (BBdp) rats. The plasma cholesterol and tr...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1937
ISSN: 0306-3283
DOI: 10.1042/bj0311820