Method for preparing sesame oil through water-method demulsification of sesame oil body

A technology of sesame oil and sesame, which is applied in the field of vegetable oil and protein processing, can solve the problems of limited application, increased production cost, expensive equipment, etc., and achieve the effect of environmental protection, high efficiency and simple process in the preparation process

Active Publication Date: 2017-01-04
南京爱美倍健生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Supercritical extraction can protect the quality of oil to a great extent, and the extraction rate is high, but the equipment is extremely expensive, which limits its application
Aqueous enzymatic method is a new method of extracting vegetable oil, which has a high oil extraction rate and high oil safety, but the addition of enzyme preparations greatly increases the production cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Preparation of sesame oil I: Add 7 times the mass of water to sesame seeds (peeled or not), grind for 2 minutes, filter to obtain sesame pulp and sesame residue; centrifuge the sesame pulp at 3000rpm to obtain light phase I sesame oil body and intermediate phase I and the heavy phase I; collect the light phase I, adjust the pH to 4.0 with hydrochloric acid, stir and incubate at 200 rpm at 70°C for 2 hours, and centrifuge at 4000 rpm to obtain free sesame oil I; the yield can exceed 93%;

[0022] (2) Preparation of sesame protein: adjust the pH of the intermediate phase I to 4.5 with hydrochloric acid, centrifuge at 3000rpm to obtain a precipitate, neutralize the pH7.0 with sodium hydroxide, and spray dry to obtain sesame protein I; the heavy phase I is dispersed in 4 times of water , using sodium hydroxide to adjust pH to 9, 4000rpm centrifuged to obtain light phase II, intermediate phase II and heavy phase II; intermediate phase II and heavy phase II mixed, using so...

Embodiment 2

[0026] (1) Preparation of sesame oil I: add 5 times the mass of water to sesame seeds (peeled or not), grind for 2 minutes, filter to obtain sesame pulp and sesame residue; add water to sesame residue, sesame residue: water is 1: 4. Repeat refining twice to obtain sesame pulp; mix all the sesame pulp and centrifuge at 3000rpm to obtain light phase I (sesame oil body), intermediate phase I and heavy phase I; collect light phase I, adjust pH to 5.0 with hydrochloric acid, and Stir and insulate at 50 rpm for 3 hours at 80°C, and centrifuge at 6000 rpm to obtain free sesame oil I; the yield can exceed 95%;

[0027] (2) Preparation of sesame protein: adjust the pH of the intermediate phase to 4.5 with hydrochloric acid, centrifuge at 3000 rpm to obtain a precipitate, neutralize the precipitate with sodium hydroxide to pH 7.0, and spray dry to obtain sesame protein I; the heavy phase is dispersed in 3 times water, Use sodium hydroxide to adjust the pH to 10, centrifuge at 5000rpm to...

Embodiment 3

[0031] (1) Preparation of sesame oil I: Grind sesame seeds (peeled or not) dry, add 7 times the mass of water, stir and extract for 30 min, filter to obtain sesame pulp and sesame residue; centrifuge sesame pulp at 4000rpm to obtain light phase I Sesame oil bodies, intermediate phase I and heavy phase I; collect the light phase I, adjust the pH to 5.5 with vitamin C, stir and incubate at 100 rpm at 90°C for 1.5 hours, and centrifuge at 5000 rpm to obtain free sesame oil I; the yield can exceed 95%;

[0032] (2) Preparation of sesame protein: adjust the pH of the intermediate phase I to 4.5 with hydrochloric acid, centrifuge at 3000 rpm to obtain a precipitate, neutralize it with sodium hydroxide to pH 7.0, and spray dry to obtain sesame protein I; the heavy phase I is dispersed in 4 times of water , using sodium hydroxide to adjust pH to 9, 4000rpm centrifuged to obtain light phase II, intermediate phase II and heavy phase II; intermediate phase II and heavy phase II mixed, usi...

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Abstract

The invention relates to a method for preparing sesame oil through water-method demulsification of a sesame oil body and belongs to the technical field of processing of vegetable fat and proteins. According to the method, the sesame oil and sesame proteins are prepared through the preparation of sesame slurry, the sesame oil body, sesame oil I and sesame protein I, the separation of the sesame oil body in a heavy phase and the preparation and combination of sesame protein II. The thermal processing is omitted during the preparation of the sesame slurry (or referred as to a sesame water phase extract), so that the influences caused by the thermal processing to the sesame proteins and other components are avoided; by carrying out efficient demulsification on a light phase (the sesame oil body) obtained through centrifugation, the clear and mellow sesame oil can be obtained; and by virtue of condition optimization, more than or equal to 98% of oil in the sesame oil body can be released through centrifugation. The method has the beneficial effects that the process is simple, and main equipment is a centrifugal machine; and no any enzyme preparation is used, and no organic solvent is used, so that the preparation process is environmentally friendly and efficient.

Description

technical field [0001] The present invention relates to a method for preparing sesame oil by demulsifying sesame oil body by water method, in particular to a method for separating sesame oil body from sesame seeds (peeled or not peeled) by water method, and then demulsifying sesame oil body to extract oil, The invention belongs to the technical field of vegetable oil and protein processing. Background technique [0002] Unhulled sesame seeds contain 45%-65% oil and 20%-25% protein. Sesame oil contains about 80% unsaturated fatty acids, which is a high-end oil with excellent functionality; sesame protein is rich in sulfur-containing amino acids and does not contain trypsin inhibitors. Food ingredients. Sesame oil exists in cells in the form of spherical particles called oil bodies (also known as oil bodies, oil bodies, lipid bodies, oleosomes, and spherosomes), and the surface of the oil bodies is a layer of protein-phospholipid membrane; the protein is endogenous to the oi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/00C11B1/10C11B3/02C11B3/16A23D9/007A23D9/02C07K1/14C07K14/415
Inventor 陈业明赵路苹华欲飞孔祥珍张彩猛
Owner 南京爱美倍健生物科技有限公司
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