Safflower Oil
Title: Safflower Oil
Literature References: The oil from the seed of Carthamus tinctorius L., Compositae. Milling and extraction procedures: Winter, J. Am. Oil Chem. Soc. 27, 82 (1950). Purification and stabilization: Freedman, Shapiro, US 2978381 (1961). Monograph: R. E. Woodward, G. M. Severson, Industrial Survey of Safflower, Chemurgy Dept. Report no. S-3 (Agricult. Expt. Sta., Lincoln, Nebraska, 1951). Fatty acids present as glycerides: palmitic 6.4%, stearic 3.1%, arachidic 0.2%, oleic 13.4%, linoleic 76.6-79.0%, linolenic 0.04-0.13%.
Properties: Edible drying oil, intermediate between soybean and linseed oil. d2525 0.9211-0.9215. Titer: 15-18°. nD25 1.472-1.475. nD40 1.4690-1.4692. Acid value 1.0-9.7. Saponif value 188-194. Iodine value 140-150. Thiocyanogen value 82.5-86.0. Reichert-Meissl value below 0.5. Hydroxyl value 2.9-6.0. Unsaponifiable below 1.5%. Thickens and becomes rancid on prolonged exposure to air. Sol in the usual oil and fat solvents.
Index of refraction: nD25 1.472-1.475; nD40 1.4690-1.4692
Density: d2525 0.9211-0.9215
Use: As linseed oil in paints. For salad oil blends, in hydrogenated state as shortening.
Therap-Cat: Dietary supplement in hypercholesteremia (and possible prophylaxis and treatment of atherosclerosis).

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