Treatment method of pressed sesame oil

A technology of pressing sesame oil and treatment methods, which is applied in the direction of edible oil/fat, fat oil/fat refining, fat production, etc., and can solve the problems of a large amount of waste water, waste residue, difficult treatment, and environmental pollution

Active Publication Date: 2013-06-26
WILMAR SHANGHAI BIOTECH RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

All of the above methods first grind the sesame seeds and then use a large amount of hot water for treatment, resulting in a large amo

Method used

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  • Treatment method of pressed sesame oil
  • Treatment method of pressed sesame oil
  • Treatment method of pressed sesame oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0107]Roast and press sesame seeds to obtain sesame oil, filter while hot at 60°C, take 200g of sesame oil, add 10g of phosphate buffer solution with a concentration of 0.4mol / L and a pH of 7.0, stir at 70°C for 30min, centrifuge at 4000rpm for 10min, and take The upper layer oil samples were filtered and dried for 10 minutes, then sensory evaluation and physical and chemical indicators were determined. Preparation of phosphate buffer: weigh NaH 2 PO 4 19.0 g, Na 2 HPO 4 13.9g (disodium hydrogen phosphate), dissolved in water, and then diluted to 500mL.

Embodiment 2

[0109] Roast and press sesame seeds to obtain sesame oil, filter while hot at 50°C, take 200g of sesame oil, add 20g of phosphate buffer solution with a concentration of 0.2mol / L and a pH of 7.5, stir at 25°C for 60min, centrifuge at 4000rpm for 10min, and take the upper layer The oil sample was filtered and dried for 30 minutes, and the sensory evaluation and physical and chemical indicators were determined. The preparation method of the phosphate buffer is as described in Example 1, and the amount of sodium dihydrogen phosphate and disodium hydrogen phosphate is adjusted according to concentration and pH (phosphate is added on the base solution in Example 1).

Embodiment 3

[0111] Roast and press sesame seeds to obtain sesame oil, filter while hot at 40°C, take 200g sesame oil, add 30g phosphate buffer, the buffer concentration is 0.1mol / L, pH is 8.0, stir at 50°C for 30min, and centrifuge at 4000rpm for 10min Afterwards, take the upper oil sample, filter it, and dry it for 30 minutes for sensory evaluation and determination of physical and chemical indicators. The preparation method of the phosphate buffer is as described in Example 1, and the amount of sodium dihydrogen phosphate and disodium hydrogen phosphate is adjusted according to concentration and pH (sodium phosphate salt is added to the base solution in Example 1).

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Abstract

The invention provides a treatment method of pressed sesame oil. The processing method comprises a hydration step of adding a strong alkali and weak acid salt solution with the pH of 7-9 to the pressed sesame oil to obtain hydrated pressed sesame oil. The method is based on an improvement of a current sesame oil refining technology, overcomes the defects of a current mechanical pressing process and a current water extraction process, and can be used for preparing the sesame oil similar to ground sesameseed oil in flavor with continuous production and without a large amount of waste water.

Description

technical field [0001] The invention relates to the field of edible oil processing, in particular to a processing method of pressed sesame oil. Background technique [0002] Sesame oil is one of the main oil crops in my country. It contains a large amount of unsaturated fatty acids and has high nutritional value. Its strong fragrance is deeply loved by consumers, especially the small milled sesame oil. At present, the production techniques of sesame sesame oil include water substitution method and pressing method. The traditional water substitution process is: clearing seeds, moistening seeds, frying seeds, raising smoke, blending pulp and stirring oil, shaking and separating oil, etc. The small ground sesame oil produced has a strong and soft flavor, but it is labor-intensive and produces a large amount of oil. Wastewater and continuous production cannot be realized, and the development is restricted. The machine pressing process developed later includes: clearing seeds, ...

Claims

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Application Information

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IPC IPC(8): C11B3/02C11B3/00A23D9/04
Inventor 王有菲向传万
Owner WILMAR SHANGHAI BIOTECH RES & DEV CENT
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