Showing papers on "Rice bran oil published in 1992"
TL;DR: Full-fat rice bran was the only treatment that significantly lowered both plasma and liver cholesterol in cholesterol-fed hamsters, and total liver cholesterol content was significantly lower in those fed the defatted riceBran diet with Rice bran oil compared with those feeding the cellulose diet.
Abstract: This study was conducted to determine the relative cholesterol-lowering effects of several levels of full-fat rice bran in hamsters. In addition, the separate effects of defatted rice bran and/or crude rice bran oil were investigated at levels equivalent to those present in 43.7% full-fat rice bran. Diets containing 10.9, 21.8, 32.8 or 43.7% full-fat rice bran, 35% defatted rice bran and/or 9% rice bran oil were fed to 4-wk-old male hamsters. All diets contained 10% total dietary fiber, 9% fat and 3.2% nitrogen; hypercholesterolemic diets contained 0.3% cholesterol; two diets were cholesterol-free, i.e., 10% cellulose and 43.7% full-fat rice bran. After 21 d, plasma and liver cholesterol, plasma triglycerides and liver weights were significantly greater in hamsters fed the 10% cellulose diet with 0.3% cholesterol compared with those fed the cholesterol-free cellulose diet. In animals fed cholesterol-free diets, plasma cholesterol values were significantly lower in those fed the 43.7% full-fat rice bran diet than in those fed the cellulose diet. In animals fed cholesterol-containing diets, plasma and liver cholesterol were significantly lower in animals fed the 43.7% full-fat rice bran diet than in those fed the cellulose diet. Plasma cholesterol reductions were significantly correlated to the level of rice bran in the diet. In cholesterol-fed hamsters, total liver cholesterol content was significantly lower in those fed the defatted rice bran diet with rice bran oil compared with those fed the cellulose diet. Full-fat rice bran was the only treatment that significantly lowered both plasma and liver cholesterol.(ABSTRACT TRUNCATED AT 250 WORDS)
92 citations
Journal Article•
TL;DR: In this article, the effects of temperature of extraction and fractionation of rice bran significantly lower plasma and liver cholesterol and triglycerides were evaluated alone or in combination with defatted Rice bran (DFB) observed in those fed an FFB diet than in those given a CC diet.
Abstract: Cereal Chem. 69(5):485-489 The effects of temperature of extraction and fractionation of rice bran significantly lower plasma and liver cholesterol and triglycerides were oil were evaluated alone or in combination with defatted rice bran (DFB) observed in those fed an FFB diet than in those fed a CC diet. A diet to determine the effects on their cholesterol-lowering potential in hyper- consisting of DFB in combination with degummed-dewaxed rice bran cholesterolemic hamsters. Diets containing full-fat rice bran (FFB), DFB oil resulted in significantly lower liver cholesterol levels than did the CC plus rice bran oil (extracted at 4 or 540C), and 540C-extracted rice bran diet, whereas DFB alone, rice bran oil extracted at either temperature, oil fractions (gum, wax, and degummed-dewaxed oil) at levels found or DFB plus gum or wax fractions were not significantly different from in FFB were fed to 23-day-old hamsters. All diets contained 10% total the respective corn oil controls. Only FFB lowered both plasma and dietary fiber, 9% fat, and 3% nitrogen. After 21 days, liver weights and liver cholesterol in hamsters. The data suggest that some of the cholesterolplasma and liver cholesterol and plasma triglycerides were significantly lowering properties of FFB are present when DFB is recombined with higher in animals fed a diet of 0.3% cholesterol with cellulose (CC) than degummed-dewaxed rice bran oil, but some active components appear in animals fed a cholesterol-free cellulose diet. In cholesterol-fed hamsters, to be either lost or are deactivated in the fractionation process.
80 citations
TL;DR: In this paper, a mathematical model has been proposed for the deacidification of high free fatty acid (45%) rice bran oil using Mucor miehei lipase for which the optimum values of the significant variables viz. enzyme and glycerol concentrations were determined using the response surface technique.
Abstract: Deacidification of high free fatty acid (45%) rice bran oil has been attempted usingMucor miehei lipase for which a mathematical model has been proposed. The optimum values of the significant variables viz. enzyme and glycerol concentrations were determined using the response surface technique.
17 citations
Patent•
20 Apr 1992
TL;DR: In this paper, a process for producing unsaponifiable matters-enriched rice bran oil is described, which comprises recovering unsaponible matters and ferulates from the residue obtained by collecting edible oil during the refining process of rice brans.
Abstract: A process for producing an unsaponifiable matters-enriched rice bran oil which comprises recovering unsaponifiable matters and ferulates from the residue obtained by collecting edible oil during the refining process of rice bran oil, concentrating the unsaponifiable matters and ferulates thus recovered, esterifying the same if desired, and adding the product obtained to edible rice bran oil, with the unsaponifiable matters-enriched edible rice bran oil thus obtained having improved qualities and exhibiting excellent physiological functions.
16 citations
TL;DR: In this article, the color of bleached rice bran oil can be improved by using a silica gel treatment of the oil miscella before or after dewaxing.
Abstract: The color of bleached rice bran oil can be improved by silica gel treatment of the oil miscella before or after dewaxing. A silica gel/oil/solvent ratio of 1:5:5 (wt/wt/vol) is suitable. Silica gel treatment can be carried out either by column percolation or by merely shaking the miscella with the gel followed by decantation. However, column percolation is more efficient, with 30–72% color reductionvs. 19–36% reduction for shaking and decanting.
14 citations
Patent•
23 Jul 1992
TL;DR: In this paper, the title of the title lubricant maintaining stable processing for along period of time, improving processing efficiency, cost reduction and operation environment, comprising a mineral oil, an oily agent and an extreme-pressure agent.
Abstract: PURPOSE:To obtain the title lubricant maintaining stable processing for along period of time, improving processing efficiency, cost reduction and operation environment, comprising a mineral oil, an oily agent and an extreme-pressure agent. CONSTITUTION:The objective lubricant comprising (A) a mineral oil and (B) (i) an oily agent comprising 12-22C fatty acid, condensed fatty acid, rice bran oil, colza oil, beef tallow, lard, fatty acid ester, polyglycol, etc., and/or (ii) one or more extreme-pressure agents selected from chlorine-based, sulfur-based and phosphorus-based extreme-pressure agents.
5 citations
Journal Article•
TL;DR: Gingelly oil, mustard oil, sunflower oil, and hydnocarpus oil were found to posses insect repellancey whereas pahn oil attracted insects.
Abstract: Twelve vegetable oils, viz., gingelly oil, sunflower oil, safflower oil, palm oil, rice bran oil, castor seed oil, mustard oil, groundnut oil, neem oil, hydnocarpus oil and cashewnut shell liquid were studied for their insect repellency in dry cured fish. Gingelly oil, mustard oil, sunflower oil,and hydnocarpus oil were found to posses insect repellancey whereas pahn oil attracted insects. Gingelly oil, mustard oil and sunflower oil delayed infestation with blowflies whereas hydnocarpus oil was good against both blowflies and beetles. It was observed that blowflies wereprevalent during rainyseason and beetles duringnon-rainy season. The preservative treatment for cured fish with a mixture of calcium propionate, butylated hydroxy anisole andchlorine was effective in delaying insect infestation in addition to preventing red
4 citations
Patent•
11 Nov 1992
TL;DR: In this article, non-saponified products and ferulic acid are recovered from a rice bran edible oil- removed residues, concentrated and, if necessary, further esterified.
Abstract: PURPOSE:To provide a method for preparing a rice bran edible oil whose physiological activity is strengthened. CONSTITUTION:In a process for purifying an edible oil such as a rice bran oil, non-saponified products and ferulic acid are recovered from edible oil- removed residues, concentrated and, if necessary, further esterified. The product is added to the rice bran edible oil.
3 citations
TL;DR: In this paper, methods for detection of rice bran oil, mustard oil, and karanja oil in other vegetable oils and detection of Rice bran cake in other oilseed cakes are described.
Abstract: Methods are described for detection of rice bran oil, mustard oil and karanja oil in other vegetable oils and detection of rice bran cake in other oilseed cakes. Rice bran oil is detected by TLC analysis for oryzanol. Mustard oil is detected by a colorimetric test for isothiocyanates. Karanja oil is detected by TLC analysis for karanjin, karanjone, pongaglabrone and pongamol. Rice bran cake may be detected by IR spectrometric analysis for acyl sterol glycosides, or TLC analysis for oryzanol.
3 citations
Patent•
13 Jan 1992
TL;DR: In this article, a foamable fat or oil composition comprises 25-60 pts. of an edible fat and 75-40 pts of a polyhydric alcohol, the sum of the components being 100 pts.
Abstract: PURPOSE:To prepare a foamable fat or oil composition giving soft and smooth ground fish foods having soft texture compounding an edible fat or oil, a polyhydric alcohol aqueous solution and a specific glycerol fatty acid ester in a specified ratio. CONSTITUTION:A foamable fat or oil composition comprises 25-60 pts.wt. of an edible fat or oil and 75-40 pts.wt. of a polyhydric alcohol, the sum of the components being 100 pts.wt., 5-10 pts.wt. of a glycerol fatty acid monoester, 2-8 pts.wt. of a polyglycerol fatty acid ester and 0.2-2 pts.wt. of an organic acid glycerol fatty acid ester, the sum of the three components being 9-18 pts.wt., and further 1.5-5 pts.wt. of a sucrose fatty acid ester. The edible fat or oil includes animal and vegetable fats and oils, and further processed fats and oils such as ester-exchanged oils and hydrogenated oils and fractionated fats and oils, but liquid vegetable oils such as soybean oil, rapeseed oil, rice bran oil and corn oil are especially preferable on the consideration of the softness of the ground fish.
2 citations
Patent•
30 Dec 1992
TL;DR: In this paper, a new, rational comprehensive utilization method of crude rice bran oil is presented, which is characterized by using ethanol or isopropyl alcohol as the extraction solvent instead of methanol, so that it is not only favorable for environmental protection, but also can raise the yield of oryzanolum and yazhouning.
Abstract: The present invention provides a new, rational comprehensive utilization method of crude rice bran oil. It is characterized by that the crude rice bran oil is used as the raw material and passes through degumming and one step alkali-refining so as to obtain the alkali-refined rice bran oil and raise the trapping efficiency of oryzanolum and "yazhouning" (a medicine for curing periodental disease) at the same time. Besides, the vacuum distillation method is used to fully recover fatty acid and the multiplying power of concentration of oryzanolum and "yazhouning" can be step by step raised in the technological process. Said invention uses ethanol or isopropyl alcohol as the extraction solvent instead of methanol, so that it is not only favourable for environmental protection, but also can raise the yield of oryzanolum and "yazhouning".
Patent•
10 Feb 1992
TL;DR: In this article, the authors presented an approach to obtain an antioxidant, composed of an unsaponified rice bran oil, whole tocopherols, a synergist and kojic acid, having excellent antioxidizing effects.
Abstract: PURPOSE:To obtain an antioxidant, composed of an unsaponified rice bran oil, whole tocopherols, a synergist and kojic acid, having excellent antioxidizing effects and useful for fats and oils used in foods such as food raw materials, processed foods and cooked foods. CONSTITUTION:The objective antioxidant containing (A) unsaponified rice bran oil, (B) alpha- to delta-tocopherols (mixture), (C) a synergist composed of citric acid, (iso)ascorbic acid (salt or ester), phosphoric acid, condensed phosphate (lecithin, etc.), cephalin, tartaric acid, etc., and (D) kojic acid. The ratio of the component (D) to the total weight of the components (A) to (C) is preferably 0.5-20. Furthermore, if an amino acid is added, antioxidizing ability of oryzanol present in the component (A) is improved.
TL;DR: In this article, the authors investigated the effect of triphenylsilanol on the activation of white clay-and white carbon-containing silanol groups in the siloxane network, and showed that triphensyl silanol can be solubilized by triterpene alcoholds in boilingn-hexane or heptane solvents.
Abstract: Elucidation of the phenomenon that a considerable amount of silicic acid is brought into crude rice bran oil is the starting point of this study. Two important results were obtained. (1) Activated white clay- and “white carbon”-containing silanol groups in the siloxane network can be solubilized by triterpene alcoholds in boilingn-hexane or heptane solvents. (2) Triphenylsilanol can add to the activated double bond such as pendant methylene in triterpene alcoholds and the conjugated trienoic bond contained in salad triglyceride oil or distilled unsaturated fatty acid liquid.