Results 171 to 180 of about 3,042 (203)
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International Journal of Toxicology, 2007
The oil derived from the seed of the Ricinus communis plant and its primary constituent, Ricinoleic Acid, along with certain of its salts and esters function primarily as skin-conditioning agents, emulsion stabilizers, and surfactants in cosmetics, although other functions are described.
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The oil derived from the seed of the Ricinus communis plant and its primary constituent, Ricinoleic Acid, along with certain of its salts and esters function primarily as skin-conditioning agents, emulsion stabilizers, and surfactants in cosmetics, although other functions are described.
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Synthesis of phosphatidylcholines containing ricinoleic acid
Tetrahedron, 2001Abstract 1,2-Diricinoleoyl- and 1-ricinoleoyl-2-oleoyl-sn-glycero-3-phosphocholine were synthesised with good yields. The synthesis started with the preparation of ricinoleic acid from castor oil. The choice of a suitable agent to protect the –OH group of ricinoleic acid was a key factor to afford the final products.
Gianpietro Borsotti +3 more
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Polyesters of Ricinoleic Acid and Lactic Acid
2009Abstract Properties of Special Interest Polyester copolymers of ricinoleic acid (RA) with lactic acid (LA) degrade in physiological medium giving an almost zero-order weight loss, with a 20–40% loss after 60 days of incubation. Lactic acid release to the degradation solution is proportional to weight loss of the polymer samples. The main
Boris Vaisman +3 more
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Determination of ricinoleic acid by differentiating titrations
Journal of the American Oil Chemists' Society, 1965AbstractA technique based on a method of differentiating titrations was developed for the resolution of mixtures of ricinoleic, sulfuric and ethylsulfuric acids. The total and partial acid values were determined by potentiometric titration with a glass‐calomel electrode using aqueous sodium hydroxide as titrant.
Narses Barona, H. W. Prengle
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The Journal of Chemical Thermodynamics, 2012
Abstract Standard energies of combustion of ricinoleic acid and methyl ricinoleate were measured experimentally by using a semi-micro bomb calorimeter. The energies of combustion of ricinoleic acid and methyl ricinoleate were used to derive the corresponding standard molar enthalpies of formation ( - Δ f H m ∘ ) in liquid
Patricia Amador +3 more
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Abstract Standard energies of combustion of ricinoleic acid and methyl ricinoleate were measured experimentally by using a semi-micro bomb calorimeter. The energies of combustion of ricinoleic acid and methyl ricinoleate were used to derive the corresponding standard molar enthalpies of formation ( - Δ f H m ∘ ) in liquid
Patricia Amador +3 more
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Hydroboration-oxidation of ricinoleic acid derivatives
Russian Journal of Organic Chemistry, 2008The regioselectivity in the hydroboration-oxidation of ricinoleic acid derivatives only slightly depends on the configuration of the optically active center: the fraction of the resulting 1,3-diol is larger by 6–10% than that of the 1,4-isomer.
R. R. Muslukhov +5 more
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Ricinoleic Acid in Common Vegetable Oils and Oil Seeds
Lipids, 2008AbstractAn original gas chromatography/mass spectrometry method for quantifying trace amounts of ricinoleic acid (12‐hydroxy‐cis‐9‐octadecenoic acid) is detailed. Data are presented on trace amounts of ricinoleic acid found in several common vegetable oils and oils extracted from common oil seeds: e.g., ca. 30 ppm in commercial olive oil was the lowest
Kouhei, Yamamoto +2 more
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Ricinoleic acid: Current view of an ancient oil
The American Journal of Digestive Diseases, 1975T S, Gaginella, S F, Phillips
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