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Edible euphausia superba oil product with protein as key

An Antarctic krill oil and protein technology, applied in the preservation of edible oil/fat products, the production/processing of edible oil/fat, the composition of edible oil/fat, etc., can solve problems such as hidden health risks, and achieve the strength and good smell. Storage stability, good fat digestion effect

Active Publication Date: 2021-06-01
SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional high internal phase emulsions are generally stabilized by a large amount of surfactants, which have certain health risks

Method used

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  • Edible euphausia superba oil product with protein as key
  • Edible euphausia superba oil product with protein as key
  • Edible euphausia superba oil product with protein as key

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Extract Dictyophora protein by alkali extraction and acid precipitation method: use Dictyophora dry powder as raw material, add n-hexane according to the ratio of material to liquid 1:10g / mL, let it stand at room temperature for 24h, and evaporate the n-hexane to obtain defatted Dictyophora dry powder; degreasing dry powder and degreasing Ionized water was mixed according to the mass volume ratio of 1:20g / mL, adjusted to pH=9 with 1M NaOH solution, placed in a constant temperature water bath shaker at a shaking speed of 140rpm, extracted at a temperature of 50°C for 2.5h; centrifuged at 4000rpm for 10min, and taken For the supernatant, adjust the pH of the supernatant to 4.5 with 1M HCl, and let it stand at 4°C for 30 minutes for acid precipitation; centrifuge at 4000rpm for 10 minutes to collect the acid precipitation, and the precipitation is the crude protein of Dictyophora. Wash the crude protein with deionized water, then add deionized water, adjust the pH to 8 with...

Embodiment 2

[0055] The pH of the protein gel particle solution of bamboo fungus was adjusted to 3, the protein concentration was 1%, and other operations were the same as in Example 1 to prepare a high internal phase Pickering emulsion containing Antarctic krill oil.

[0056] Sensory evaluation: The smell of high internal phase Pickering emulsion containing Antarctic krill oil is strong or weak, and the fishy smell of shrimp is obviously weakened.

Embodiment 3

[0058] The pH of the protein gel particle solution of bamboo fungus was adjusted to 3, the protein concentration was 2%, and other operations were the same as in Example 1 to prepare a high internal phase Pickering emulsion containing Antarctic krill oil.

[0059] Sensory evaluation: The smell of high internal phase Pickering emulsion containing Antarctic krill oil is strong or weak, and the fishy smell of shrimp is obviously weakened.

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Abstract

The invention discloses an edible euphausia superba oil product with protein as a key, which is prepared by the following steps: taking a bamboo fungus protein gel particle solution as a water phase, taking a mixture of euphausia superba oil and soybean oil as an oil phase, mixing the water phase with the oil phase, and carrying out one-step high-speed homogeneous emulsification to obtain a stable high-internal-phase Pickering emulsion containing the euphausia superba oil; wherein the volume ratio of the water phase to the oil phase is 1: 4, the pH value of the dictyophora indusiata protein gel particle solution is 3 or 11, and the protein concentration is 0.5-2% w / v. The Pickering emulsion provided by the invention has the advantages of uniform appearance, no oil drop precipitation, semi-solid form, no flow after being inverted, obviously weakened shrimp fishy smell, good storage stability and better grease digestion effect. The invention also discloses an euphausia superba oil nano Pickering emulsion. The euphausia superba oil nano Pickering emulsion is obtained by diluting the euphausia superba oil-containing high-internal-phase Pickering emulsion and then carrying out high-pressure homogenization treatment on the diluted euphausia superba oil-containing high-internal-phase Pickering emulsion.

Description

technical field [0001] The invention belongs to the technical field of preparing high internal phase Pickering emulsion, relates to a novel Antarctic krill oil edible product with protein as the key, in particular to a high internal phase Pickering emulsion ( oil-in-water type) and preparation method thereof. Background technique [0002] As a new type of marine functional oil, Antarctic krill oil is rich in nutrients, including phospholipids, EPA, DHA, astaxanthin, vitamin A, tocopherol, etc. Among them, the content of phospholipids is as high as 39.20%, and the contents of EPA and DHA are in the The proportion of total fatty acids is as high as 29.67%. It is worth noting that the PUFA of Antarctic krill oil is combined with omega-3 (EPA, DHA) in the form of phospholipids, and the bioavailability of phospholipid PUFA (Antarctic krill phospholipids) is higher than that of High in triglyceride-type PUFA (fish oil). Antarctic krill oil has been shown to have multiple health ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23D7/005A23D7/04A23D7/06
CPCA23D7/005A23D7/04A23D7/06
Inventor 周莉张明浩刘吉开
Owner SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
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