White Oils Food Grade

For medicinal or food grade white oils, a very high purity is required. This is controlled by tests analogous to food-grade paraffins ... 

Baldwin MK, Berry PH, Esdaile DJ, et al Feeding studies in rats with mineral hydrocarbon food grade white oils. Toxicol Pathol 20(3) 426-35, 1992... 

Smith JH, Mallett AK, Priston RA, et ah Ninety-day feeding study in Fischer-344 rats of highly refined petroleum-derived food-grade white oils and waxes. Toxicol Pathol 24(2) 214-30, 1996... 

MYRISTIC ACID. [CAS 544-63-8]. Also called tetradecanoic acid, formula CHjlCHiJnCOOH, At room temperature, it is an oily, white crystalline solid. Soluble in alcohol and ether insoluble in water. Specific gravity 0.8739 (80°C) mp 54.4°C bp 326.2°C. Combustible. The acid is derived by the fractional distillation of coconut oil. Myristic ucid is used in soaps cosmetics in the synthesis of esters for flavorings and perfumes and as a component of food-grade additives, Myristic acid is a constituent of several vegetable oils. See also Vegetable Oils (Edible). 

Rice Oryza sativd) is an important cereal with an annual production of over 500-800 million tons. To produce white rice, the hull is removed and the bran layer is abraded giving 8-10% of the rice grain. The bran contains the testa, cross cells, aleurone cells, part of the aleurone layer, and the germ and includes almost all of the oil of the rice coreopsis. Gopala Krishna (45) considers that there is a potential for over 5 million tons of rice bran oil per annum, but present production is only about 0.7 million tons and not all of this is of food grade. India (0.50 million tons), China (0.12 million tons), and Japan (0.08 million tons) are the major countries producing rice bran oil. 

The example given in Table 4.10 illustrates the outstanding oxidation resistance of a rapeseed oil-based environmentally acceptable hydraulic fluid, containing a non-water-extractable phenolic antioxidant [83]. A similar type of non-water-extractable phenolic antioxidant provided excellent oxidation stability, TOST life >10,000 h, in a food-grade hydraulic fluid based on white oil [84]. All additives and the white oil are cleared by the (US)FDA. 

S-Oil and ExxonMobil have described their joint work on modifying a fuels hydrocracker to make group III lubes, in which the bottoms stream was fractionated, dewaxed using MSDW2 hydroisomerization technology followed by aromatic saturation with ExxonMobil s MAXSAT catalyst.44 The properties of the base stocks are shown in Table 7.35, and like SK Corporation s products, these also meet U.S. food-grade white oil specs. 

Technical and Food Grade White Oils and Highly Refined Paraffins... 

In addition, food grade white oils must satisfy the following ... 

U.S. FDA UV Absorbance Limits for Food/Medicinal Grade White Oils... 

FIGURE 11.2 BASF process schematic for two-stage hydroprocessing route to food grade white oil manufacturing. 

Source H. C. Moyer and M. K. Rausch, Duotreat Oils Hydrogenated Technical and Food Grade White Oils, Proceedings of the American Petroleum Institute, Division of Refining 49 863—876 (1969). 

Source R. D. Galli, B. L. Cupples, and R. E. Rutherford, A New Synthetic Food Grade White Oil, Journal of the American Society of Lubrication Engineers 36 365-372 (1982). With permission. 

Wax has traditionally been refined by acid/clay treating, which reduces the amount of aromatics together with sulfur and nitrogen heterocycles, improves color, and reduces odor. Hydrotreating provides an economically attractive alternative for making food grade waxes, just as has been the case for white oils. 

E. F. Gallei and M. Schwarzmann, The BASF Process for Preparation of Technical and Food- or Medicinal-Grade White Oils by Catalytic Hydrogenation, presented at the Congress of Large Chemical Plants, Antwerpen, Holland, 1982. 

L. E. Twerdok, Food Grade White Oils and Waxes—Update on Recent Research and Regulatory Review, Paper LW-02-130, presented at the Lubricants and Waxes Meeting, National Petroleum Refiners Association, Houston, Texas, November 14-15, 2002. 

Describes the processing methods and the chemistry behind highly refined Food Grade white oils and paraffins... 

Beilstein Handbook Reference) AI3-01594 BRN 0607489 C16 fatty acid Cetylio acid EINECS 200-312-9 Emersol 140 Emersol 143 FEMA No. 2832 Hexadecanoic acid n-Hexadecanoic acid n-Hexadecoic acid Hexadeoylic acid HSDB 5001 Hydrofoil Hystrene 8016 Hystrene 9016 Industrene 4516 NSC 5030 Palmitate Palmitic acid Penladecanecarboxylic acid 1-Pentadecanecarboxylic acid. A saturated fatty acid, used in the manufacture of metallic palmitates, soaps, lube oils, waterproofing, food-grade additives. A detergent intermediate opacifier in cosmetics, soaps, emulsifiers, chemical specialties. White scales mp = 63-64° bpi5 = 215° 0.853 r = 1.4273 insoluble in H2O,... 

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