Preparation method of plant oil from blackberry seeds

A salad oil and seed technology, which is applied in food preparation, edible oil/fat, food science, etc., can solve the problem that seed oil has not been developed and utilized, achieve crystal clear appearance, improve enterprise economic benefits, reduce pollution effect

Inactive Publication Date: 2010-01-06
INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The overall level of comprehensive utilization of blackberry in my country is still in its infancy, and the seed oil has not been developed and utilized

Method used

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  • Preparation method of plant oil from blackberry seeds

Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0024] Implementation case 1: Take 100kg of blackberry wet pomace as an example to process blackberry seed salad oil.

[0025] Take 100kg of blackberry wet pomace, wash, remove impurities and separate to obtain pure, mildew-free blackberry seeds. The seeds were placed in an air blast drying oven and kept at 50° C. for 4 hours to obtain 21.2 kg of seeds with a moisture content of 6.83%. The dried seeds were crushed, passed through a 20-mesh sieve, extracted with a mixture (1:1) of n-hexane and petroleum ether (30-60), the amount of solvent was 95kg, and the temperature was kept at 40°C for 2 hours. The mixture after the extraction enters a rotary evaporator, and the solvent is recovered at 0.095~0.097Mpa and 40°C to obtain 2.756 kg of blackberry seed crude oil, an acid value of 2.31 mg KOH / g, an iodine value of 160.16 g / 100 g, and a refractive index of 1.4780 ( 25°C), saponification value 193.76mg KOH / g, peroxide value 30.40mmol / kg, unsaponifiable matter 27.73g / kg.

[0026] H...

Embodiment example 2

[0027] Implementation case 2: Take 50kg of dried blackberry pomace as an example to process blackberry seed salad oil.

[0028] Get 50kg of dried blackberry pomace after natural air-drying, separate by sieving, remove impurities such as pericarp, and obtain pure, mildew-free blackberry seeds with a moisture content of 11.71%. The seeds were placed in an air blast drying oven and kept at 50° C. for 3.5 hours to obtain 25.7 kg of seeds with a moisture content of 7.62%. The dried seeds were crushed, passed through a 20-mesh sieve, extracted with a mixture (1:1) of n-hexane and petroleum ether (30-60), the amount of solvent was 95kg, and the temperature was kept at 42°C for 2 hours. The extracted mixture enters a rotary evaporator, and the solvent is recovered in batches under the conditions of 0.095-0.097Mpa and 40°C. A total of 3.169kg of blackberry seed crude oil is obtained, the acid value is 2.82mg KOH / g, the iodine value is 183.52g / 100g, and the refractive index Rate 1.4788...

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Abstract

The invention relates to an effective and economic preparation method of plant oil from blackberry seeds. Residues of processed blackberries are used as materials, and seeds are separated from the residues and then broken after drying, and finally, the seeds are processed into plant oil with the functions of nutrition and health care from blackberry seeds through the processes of low-temperature extraction based on solvents, filtering for residue removal, degumming by hydration, alkali refining and deacidification, decolorization, deodorization and winterization in turn. The invention can adopt common oil processing equipment for producing the oil, and has the advantages of low cost, simple process, high extraction and high efficiency, and obtained products have clear color and stable quality, conform to national standards on edible oil, and simultaneously maintain bioactive substances with special functions.

Description

technical field [0001] The invention relates to the technical field of chemical processing, and mainly relates to a processing method of blackberry seed salad oil which can be used as edible vegetable oil. Background technique [0002] At present, people's demand for edible oil is increasing, and the requirements for the quality of edible oil are also getting higher and higher. In addition to traditional soybean oil, rapeseed oil, sunflower oil, and peanut oil, the market demands more high-quality high-quality oil , therefore, looking for new raw materials in green plants has become one of the hotspots of concern. [0003] Blackberry is a Rubus fruit tree cultivated by European and American countries through artificial breeding. It has been cultivated in Europe and America for more than 100 years and is one of the main types of widely cultivated small fruit trees. Blackberry fruit is soft and juicy, with unique flavor and rich in various nutrients, including linoleic acid, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23D9/02A23D9/04A23L1/29
Inventor 方亮李维林崔恩惠吴文龙赵慧芳闾连飞
Owner INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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