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Some physical properties of castor oil esters and hydrogenated castor oil esters

European Journal of Lipid Science and Technology, 2003
AbstractEsters of castor oil and hydrogenated castor oil were prepared with C6, C12, C16, C18 fatty acids, using tetra‐n‐butyl titanate as a catalyst and n‐butyl benzene as a water entrainer. Physical properties such as melting point, refractive index, viscosity, and specific gravity of these esters were measured. Slip melting points of the esters were
Mangesh G. Kulkarni   +1 more
exaly   +2 more sources

The rheological properties of hydrogenated castor oil crystals

Colloid and Polymer Science, 2014
The present study focuses on the rheological performance of a surfactant-rich aqueous suspension containing hydrogenated castor oil (HCO) crystals. HCO can be typically crystallized in five distinct shapes: spherically shaped, irregularly shaped, star-shaped (also called rosettes), short needles, and thick or thin fibers.
Wim De Malsche   +2 more
exaly   +3 more sources

Effect of Oxyethylene Moieties in Hydrogenated Castor Oil on the Pharmacokinetics of Menatetrenone Incorporated in O/W Lipid Emulsions Prepared with Hydrogenated Castor Oil and Soybean Oil in Rats

Journal of Drug Targeting, 2003
Lipid emulsions with particle sizes of 190-270 nm were prepared with soybean oil (SO) and a series of hydrogenated castor oils (HCOs) with various oxyethylene numbers, and the effect of oxyethylene numbers of HCOs on the pharmacokinetics of menatetrenone incorporated into the lipid emulsions was studied in rats.
Seigo Iwakawa, Kumiko Ueda
exaly   +3 more sources

Allergic axillary dermatitis due to hydrogenated castor oil in a deodorant

Contact Dermatitis, 2008
We present a case of axillary dermatitis caused by hydrogenated castor oil (HCO) in a commercially available deodorant. Patch testing with constituents obtained from the manufacturer showed allergic reaction to HCO ‘as is’, whereas there was no reaction to HCO 30% in pet.
Kathy, Taghipour   +2 more
exaly   +3 more sources

Prolonged circulation of menatetrenone by emulsions with hydrogenated castor oils in rats

Journal of Controlled Release, 2004
Previously, we reported that plasma half-lives of a drug incorporated in lipid emulsions prepared with soybean oil (SO), a long-chain triglyceride, and hydrogenated castor oils (HCOs) (SO/HCOs) were markedly longer, while those as SO/polyoxyethylene sorbitan esters (SO/PSs) were similar, compared to that as SO/egg yolk phosphatides (SO/EYP) [J.
Seigo Iwakawa, Kumiko Ueda
exaly   +3 more sources

Studies on castor oil. II. Hydrogenation of castor oil

Journal of the American Oil Chemists' Society, 1957
Summary Products of low iodine value (<10.0) and hydroxyl value (35–40) can be readily obtained by hydrogenating castor oil at atmospheric pressure and at temperatures of the order of 220°, using 1.0% Raney nickel. Dehydration of ricinoleic acid and subsequent hydrogenation of the resulting double bond as also simple saturation of ricinoleic acid ...
B. Sreenivasan, N. R. Kamath, J. G. Kane
openaire   +1 more source

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