Study of the fractional and fatty-acid compositions of the phospholipids ofPsoralea seeds

Summary The fractional and fatty-acid compositions of the phospholipids of Psoralea seeds have been studied for the first time. It has been established that the total phospholipids consist of phosphatidylcholines, phosphatidylethanolamines, phosphatidylinositols, N-acyl-PEs, N-acyllyso-PEs, lysophosphatidylcholines, and, possibly, phosphatidylglycerols, and also of two unidentified phospholipids.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 12–14, January–February, 1979.     

Composition of the phospholipids of the cotton plant Gossipium barbadense

Summary 1. The fatty-acid compositions of the oil, the total phospholipids, and the main groups of phospholipids of the seed kernels of the fine-fibered cotton plant of variety 5904-I have been determined. The complete qualitative identity of the acids present in them and quantitative similarity of the acids in the oil and in the total phospholipids have been shown: in the degree of increasing saturation the phospholipids form the following sequence: phosphatidylcholines, phosphatidylethanolamines, phosphatidylinositols.2. It has been established by enzymatic hydrolysis with phospholipase A₂ of kufi venom that the unsaturated fatty acids are present in position of the PCh, PE, and PI molecules — to the extent of 90.6%, 96.5%, and 85.4%, respectively.3. From the position distribution of the fatty acids in the phospholipids, their possible molecular compositions have been calculated.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 693–697, November–December, 1975.     

Composition of the phospholipids of the seeds of Spaium sebiferum

The fractional composition of the polar lipids and also the fatty-acid composition of the main components of the phospholipids of the Chinese tallow tree have been studied. It has been established that in the seeds of the Chinese tallow tree there are 11 phospholipids, two glycolipids, and two phosphonolipids. The main fatty acids of the phospholipids are palmitic and linoleic.I. G. Kutateladze Institute of Pharmatochemistry, Georgian Academy of Sciences, Tbilisi. Institute of Chemistry of Plant Substances, Uzbek Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 619–621, September–October, 1991.     

Post-infectional changes in the phospholipids of the leaves of a cotton plant variety resistant toVerticillium dahliae

The class and fatty acid compositions of the phospholipids (PLs) of young leaves of healthy, cotton plants of the wilt-resistant variety 175-F and of plants of the same variety infected with the pathogenic fungusVerticillium dahliae Kleb. have been determined. The positional distributions of the fatty acids in the main classes of PLs have been established, and their possible molecular compositions have been calculated. The changes in the composition of the PLs taking place under the influence of infection have been elucidated.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 210–216, March–April, 1997.     

A study of the phospholipids of kenaf

Summary The fatty-acid composition of the combined phospholipids and also of the main and two minor components of the phospholipids have been studied. On the basis of the results of acid hydrolysis and also IR spectroscopy, the glycerophospholipid structure of the main components of the total material has been confirmed. These main components have been subjected to enzymatic hydrolysis: the position distribution of the fatty acids have been determined and, from these, the possible diglyceride compositions of the phosphatidylcholines, phosphatidylethanolamines, and phosphatidylinositols have been calculated. It has been shown that the phospholipids are accompanied by 35–40% of carbohydrates which have been characterized qualitatively as disaccharides.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 289–293, May–June, 1976.     

An investigation of the structure of the phospholipids of the cotton plant of variety Tashkent-2

Summary 1. The fatty-acid compositions of the total phospholipids of the seed kernels of the cotton plant of variety Tashkent-2, after the elimination of carbohydrates, and of their main components have been studied.2. It has been found that at 37–38°C the time of enzymatic hydrolysis is considerably shortened.3. A study of the products of acid and enzymatic hydrolysis has shown the structure of the individual phospholipids.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 145–148, March–April, 1976.     

Phospholipids of the cotton plant of variety Tashkent-3. II. Structure of the main phospholipid fractions

Summary 1. Individual fractions of phosphatidylcholines, phosphatidylethanolamines, phosphatidylinositols, and the X₂ and X₃ phospholipids have been obtained from the combined phospholipids, freed from carbohydrates, of the seed kernels of the cotton plant of variety Tashkent-3.2. The compositions and position distributions of the fatty acids in the main fractions of phospholipids have been studied.3. The possible molecular composition of the phosphatidylcholines, phosphatidylethanolamines, and phosphatidylinositols have been calculated.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 155–158, March–April, 1976.     

Phospholipids of kenaf of variety Opytnyi-1847

The total phospholipids of kenaf of variety Opytnyi-1847 and homogeneous fractions of them have been studied. A known law has been confirmed — positions 2 of the main fractions of phospholipids are esterified predominantly with unsaturated fatty acids and in N-aceylated phospholipids the amide-bound acids are more saturated than the O-acyls.Institute of the Chemistry of Plant Substances of the Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 775–777, November–December, 1980.     

Amounts of phospholipids and phytin in the seeds of various plants

Summary The amounts of combined phospholipids and phytin in the seeds of 22 plants belonging to various families have been determined. It has been established that the main components of the combined phospholipids of the seeds of the plants studied are phosphatidylcholines, phosphatidylinositols, and phosphatidylethanolamines. Some unusual properties of the combined phospholipids of the seeds of some plants of the family Compositae, and materials interesting in relation to their phospholipid and phytin contents have been found.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 505–507, July–August, 1977.     

Composition of the phospholipids of seeds ofDipthychocarpus strictus

Summary The qualitative and quantitative compositions of the total phospholipids of the seeds ofDipthychocarpus have been determined. The fatty-acid compositions and position specificities of the distribution of the fatty acids in the main phospholipids ofDipthychocarpus seeds have been determined and, on this basis, their possible molecular composition has been calculated.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 435–439, July–August, 1976.     

Phospholipids of the pericarp ofCrataegus turkestanica

Phospholipids of the pericarp of Crataegus turkestanica have been studied and 12 classes of phospholipids have been detected, the main ones being phosphatidylcholine, phosphatidylethanolamine, and phosphatidylinositol. The composition and position distribution of the fatty acids of the main phospholipids have been studied.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, fax (3712) 89 14 75. Translated from Khimiya Prirodnykyh Soedinenii,No. 4, pp. 562–563, July–August 1995. Original article submitted October 24, 1994.     

Phospholipids of the seeds ofFumaria vaillantii

The qualitative and quantitative compositions of the phospholipids from the seeds ofFumaria vaillantii L. have been determined. The total fatty acid compositions of all the classes of phospholipids and the position-distributions of the phosphatidylcholines, phosphatidylinositols, and phosphatidylethanolamines have been investigated.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, fax (3712) 40 64 75. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 800–802, November–December, 1997.     

Lipids of some aquatic plants of the Central Volga region

The lipid characteristics of five species of aquatic plants of the Central Volga region have been investigated. The total amount of lipids and the ratio of neutral lipids and glyco- and phospholipids have been found and the amounts of individual phospholipids and also the fatty-acid composition and the distribution of the fatty acids over the lipid classes have been determined.Institute of the Ecology of the Volga Basin, Russian Academy of Sciences, Tol'yatti. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 206–209, March–April, 1995. Original article submitted August 15, 1994.     

Phospholipids of the ripening seeds ofSophora japonica

The change in the class and fatty acid compositions of the phospholipids during ripening of the seeds of the Japanese Pagoda tree (buds, flowers, unripe and ripe seeds) have been studied. It has been found that the ripening of the seeds is accompanied by complex transformations in the phospholipid complex indicating the important role of phospholipids in the processes of biosynthesis.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 281–284, May–June, 1985.     

Phospholipid composition of prostaglandin extracts of some marine invertebrates with different degrees of prostaglandin-like activity

The qualitative and quantitative compositions of the phospholipids of eight species of marine invertebrates have been determined. A correlation has been shown between the amounts of particular phospholipids and the prostaglandinlike activities of the extracts. The activities of the extracts have been expressed quantitatively as a function of the set of phospholipids in them.Pacific Ocean Institute of Bioorganic Chemistry, Far Eastern Branch, USSR Academy of Sciences, Vladivostok. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 322–325, May–June, 1990.     

Composition of the phospholipids of seeds of Cercis siliquastrum

The phospholipids of the polar lipids of the seeds of the Judas tree and the fatty-acid composition of the N-acylphosphatidylethanolamines, the phosphatidylcholines, and the phosphatidylethanolamines, and also the molecular-species types of the fatty acids of the phosphatidylcholines and the phosphatidylethanolamines have been studied. It has been established that the seeds of the Judas tree contain ten phospholipids. The main fatty acids are palmitic and oleic.I. V. Kutateladze Institute of Pharmacochemistry, Georgian Academy of Sciences. Translated from Khimiya Prirodnykh Soedinenii, Nos. 3,4, pp. 320–323, May–August, 1992.     

Fatty-acid and phospholipid composition of lichens of the Volga basin

The composition of the fatty acids and phospholipids of 16 species of lichens collected in the basin of the river Volga has been studied. The main phospholipid was phosphatidylcholine the amount of which ranged in the various species from 33.3 to 85.5% of the total phospholipids. Other phospholipids were also found: phosphatidylethanolamine, phosphatidylserine, phosphatidylinositol, and phosphatidylglycerol. The main fatty acids were the 16:0, 18:0, and 18:1 varieties.Institute of the Ecology of the Volga Basin, Russian Academy of Sciences, Tol'yatti. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 613–615, September–October, 1991.     

Phospholipids from industrial cottonseed meal

The qualitative and quantitative compositions of the phospholipids isolated from industrial cottonseed meal have been studied. The meal contains a mixture of phospholipids that may be a source for the production of individual phospholipids. The total and position distributions of the fatty acid radicals in individual phospholipids have been determined.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 698–700, November–December, 1983.     

Phospholipids of the seeds of two species of Erysimum

Summary The phospholipid complexes of the seeds ofErysimum diffusum andE. sylvestris have been investigated. It has been found that the amount of phospholipids in the seeds ofE. diffusum is lower than in those ofE. sylvestris, but their qualitative compositions are similar. The fatty-acid compositions of the triglycerides and of the total phospholipids of the two plants investigated have been studied. It has been established that the total phospholipids of the species ofErysimum under consideration and individual fractions of them differ by the degree of saturation and the qualitative and quantitative composition of the acids that they contain and, consequently, the phospholipids present in greatest amount differ in their molecular compositions.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 623–627, September–October, 1977.     

Lipids of silkworm cocoons

The lipid complex of silkworm cocoons had been investigated. The qualitative and quantitative compositions of the total neutral lipids and glyco- and phospholipids have been determined. Considerable differences have been noted in the amounts of individual fatty acids in the neutral lipids and the phospholipids.Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 664–666, September–October, 1995. Original article submitted November 7, 1994.