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Method for processing oil crops by using rhodotorula

A technology of oil crops and red yeast, which is applied in the field of fermentation, can solve the problems of long technological process, and achieve the effects of simple operation, cancer prevention and immunity enhancement

Inactive Publication Date: 2019-04-02
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For soybean oil, at present, with the continuous improvement of the quality of life, consumers have higher and higher requirements for the quality of edible oils. In order to gain the favor of consumers, edible oil researchers and manufacturers try to add natural functions to soybean oil Sexual substances (such as carotenoids, squalene, flavonoids, etc.) to endow soybean oil with a certain biological activity, the resulting functional oils not only have more market competitiveness and greatly increase the added value; however, these natural The acquisition of functional substances itself requires a process of production, extraction, and preparation. Therefore, the production of such oil products has the defect of a long process flow or the need to purchase natural functional substances at a high cost for addition

Method used

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  • Method for processing oil crops by using rhodotorula
  • Method for processing oil crops by using rhodotorula
  • Method for processing oil crops by using rhodotorula

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Embodiment 1: Taking soybean puffed powder as raw material

[0046] Specific steps are as follows:

[0047] (1) Connect the Rhodotorula strain stored at 4°C to the YPD seed medium (sterilized at 115°C for 20 minutes), at 30°C, with a rotation speed of 200r min -1 Cultivate for 2 days under certain conditions to obtain the activation solution;

[0048] (2) Take 80mL of YPD seed medium and place it in a 250mL Erlenmeyer flask (sterilized at 115°C for 20min), take 200μL of the activation solution obtained in (1) and inoculate it into the YPD seed medium, at a temperature of 30°C and a rotation speed of 200r·min -1 Cultivate for 2 days under the condition of 9 CFU / mL;

[0049] (3) Take 300g of fermentation medium and place it in a 2500mL Erlenmeyer flask (sterilized at 121°C for 30min), inoculate the seed liquid into the fermentation medium according to the fermentation parameters in Table 1 for solid-state fermentation to obtain a fermented product.

[0050] The obtain...

Embodiment 2

[0063] Embodiment 2: Taking peanut powder as raw material

[0064] Specific steps are as follows:

[0065] (1) with embodiment 1;

[0066] (2) with embodiment 1;

[0067] (3) Put the peanuts into a hot air circulation oven, dry them at 50°C, and dry them until the water content is 5-10%, then peel them off, and grind the peeled peanuts into fine powder to obtain peanuts pink;

[0068] (4) Replace soybean puffed powder with peanut powder, take 300g of fermentation medium and place it in a 2500mL Erlenmeyer flask (sterilized at 121°C for 30min), inoculate the seed liquid into the fermentation medium according to the fermentation parameters in Table 1 for solid-state fermentation, and obtain Fermentation.

[0069] The obtained fermented product is subjected to oil extraction according to the method of functional oil and oil crop meal analysis to obtain functional oil and fermented soybean meal; the obtained functional oil and fermented soybean meal are analyzed according to t...

Embodiment 3

[0070] Embodiment 3: take rapeseed powder as raw material

[0071] Specific steps are as follows:

[0072] (1) with embodiment 1;

[0073] (2) with embodiment 1;

[0074] (3) Put the rapeseed into a hot air circulation oven, dry it at 50°C, and dry it until the water content is 5-10%, then peel it off, and grind the shelled rapeseed into fine powder, get rapeseed meal;

[0075] (4) Replace soybean puffed powder with rapeseed powder, take 300g of fermentation medium and place it in a 2500mL Erlenmeyer flask (sterilized at 121°C for 30min), inoculate the seed liquid into the fermentation medium according to the fermentation parameters in Table 1 for solid-state fermentation, Get a ferment. The obtained fermented product is subjected to oil extraction according to the method of functional oil and oil crop meal analysis to obtain functional oil and fermented soybean meal; the obtained functional oil and fermented soybean meal are analyzed according to the method of functional ...

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Abstract

The present invention discloses a method for processing oil crops by using rhodotorula and belongs to the technical field of fermentation. The method is as follows: rhodotorula of rhodotorula mucilaginosa, sporidiobolus salmonicolor, rhodotorula glutinis, etc., capable of producing carotenoids are inoculated in an oil-enriched oil crop fermentation substrate for solid-state fermentation to obtainoil-enriched oil and oil crop meal; the rhodotorula fermentation metabolite carotenoids have biological activities of preventing oxidation, preventing vascular sclerosis, enhancing immunity, preventing cancers, etc., thus the carotenoid content of the oil and oil crop meal obtained by using the method can be respectively as high as 9.071 [mu]g / g and 8.062 [mu]g / g; and the method only needs one-time fermentation and one-time oil squeezing, does not contain additional functional substances, can obtain the carotenoid-enriched oil and oil crop meal at the same time, and greatly reduces productioncost of functional oils and fermented oil crops.

Description

technical field [0001] The invention relates to a method for processing oil crops by using red yeast, which belongs to the technical field of fermentation. Background technique [0002] Soybean is an important grain and oil crop in the world, and about 85% of the world's soybean production is used for oil extraction. Therefore, soybean is the most important source of vegetable oil and protein feed in the world. The existing soybean processing technology for preparing soybean oil and soybean meal is mainly to expand soybeans first, extract oil to obtain soybean oil, and then dry the residue to obtain soybean meal. The pressed soybean oil is an excellent edible oil with high nutritional value, and is one of the most common edible oils in people's daily life; the processed soybean meal is used as a by-product after soybean oil production, not only The yield is huge, and the protein content in soybean meal is as high as 45%, and the amino acid composition is relatively reasonab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K10/37A23L33/115A61K36/48A61K36/31A61K36/47A61K36/185A61P39/06A61P37/04A61P35/00C12N1/16C12R1/645
CPCA61P35/00A61P37/04A61P39/06A23K10/37A23L33/115A61K36/185A61K36/31A61K36/47A61K36/48C12N1/16A23V2002/00A61K2236/19A23V2200/30A23V2200/302A23V2200/324A23V2200/308A23V2250/76C12P23/00A23K20/158C11B1/06
Inventor 刘元法丁重阳蒋云芝赵丽婷徐萌萌曹晨张琦顾正华石贵阳
Owner JIANGNAN UNIV
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