Fatty acid, Tocopherol and Sterol Composition in Sea buckthorn (Hippophae rhamnoides L.) of Mongolia

The content and composition of lipids isolated from seed and pulp of sea buckthorn were investigated. Fatty acids and sterols were analyzed by CGC while tocopherols were analyzed by HPLC. 12.67% glyceride was found in the seed. The oil of sea buckthorn seed oil showed low levels of saturated fatty acids in comparison with the buckthorn pulp oil. Palmitic (7.13%), oleic (15.85%), linoleic (36.9%) and linolenic acids (31.11%) predominated in the seed oil. Palmitic (29.17%), palmitoleic (32.86%), oleic (4.92%), vaccenic (9.35%) and linoleic (16.08%) fatty acid was dominating in the pulp oil. The primary tocopherol of sea buckthorn seed and pulp oil were α- tocopherol and γ-tocopherol (46.54mg/100g, 59.02mg/100g). Seed oil contains more (94.34mg/100g) total sterols than pulp (90.25mg/100g) oil.DOI: http://dx.doi.org/10.5564/mjc.v12i0.187 Mongolian Journal of Chemistry Vol.12 2011: 126-130

Synthesis and characterization of Taurine

Have been obtained 2-aminoethanesulfonic acid (taurine) from ethanolamine, sulfuric acid and sodium sulfite during the synthesis in laboratory condition. The process involves two steps of reactions, the first was esterification of ethanolamine with sulfuric acid to produce the intermediate product of 2-aminoethyl ester which than was extended to the second step by sulfonation with sodium sulfite to produce 2-aminoethanesulfonic acid. Resulting product was analyzed using 1H-NMR, IR, FAB-MS analysis and examined purity characterizations of the synthesized products. DOI: http://dx.doi.org/10.5564/mjc.v14i0.200 Mongolian Journal of Chemistry 14 (40), 2013, p57-6

Physical and chemical characteristics and fatty acids composition of seeds oil isolated from Camelina sativa (L) cultivated in Mongolia

Camelina sativa L is a cruciferous oilseed plant. This plant is cultivated as an oilseed crop mainly in Europe and in North America and over the past years the cultivation has arranged in our country. The analyzed oil is obtained from the seeds of Camelina sativa L, growing in Bornuur, Tuv province. The goal of this study was to determine the physical and chemical characteristics and fatty acids composition of Camelina sativa L seed oil cultivated in Mongolia. According to our analysis total lipid was determined 38.52 %, moisture 4.80 % and total mineral elements 4.02 %, respectively. Mineral elements in Camelina sativa L seeds contain calcium (0.56 %), phosphorous (1.22 %), potassium (1.39 %), magnesium (0.53 %) in dominated amounts; iron, zinc, manganese and copper in trace amounts. Eight nonessential amino acids in seeds of this plant with total amount of 75.9 % were identified; phenylalanine was detected in highest amount among the all identified amino acids, while lysine, tryptophan and arginine are followed. The following characteristics in Camelina sativa seeds oil were determined. The refractive index was 1.4774 at 20°C, the peroxide value of fresh oil was 0.03 meq H2O2 /kg, saponification value 185.8 mg KOH/g, iodine value 143.33 g J2 and acidic value 6.27 mg KOH /g. Carotenoid was determined as 16.77 mg %, by spectrometry in Camelina sativa seeds oil. The analysis of fatty acids composition showed that there are 12.5 % saturated and 87.5 % unsaturated fatty acids. In particular, oleic acid (C18:1) 14.0 %, linoleic acid (C18:2) 9.0 %, α-linolenic acid (C18:3) 10.5 % and gondoic acid (C20:1) 32.8 %, were composed the major part of unsaturated fatty acids. DOI: http://dx.doi.org/10.5564/mjc.v14i0.205 Mongolian Journal of Chemistry 14 (40), 2013, p80-8

Chemical composition and biological activities of the Agaricus mushrooms

Two species of Agaricus mushroom grown in Mongolia were analyzed for their element content. Biological activity and chemical components study of Agaricus, grown in the Mongolian flora has been investigated for the first time. The ethanol extracts of dried Agaricus sp. mushrooms were analyzed for antioxidant activity on 1,1-diphenyl-2- picrylhydrazyl (DPPH) radicals and interferon-like activity. The ethanol extracts from Agaricus arvensis showed the most potent radical scavenging activity. The IC50 of A. silvaticus and A. arvensis were 216 and 17.75 g/ml respectively. Among the twenty three mushroom extracts, the extracts from A. silvatisus and A. arvensis have shown the interferon-like activity. DOI: http://dx.doi.org/10.5564/mjc.v14i0.197Mongolian Journal of Chemistry 14 (40), 2013, p41-4