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A kind of preparation method of selenium-enriched camellia oleifera seed oil

A technology of Camellia oleifera seed oil and Camellia oleifera seed meal, which is applied in the fields of edible oil/fat, food science, application, etc., can solve the problems of unstable content, low content of selenium element, precipitation of selenium element, etc., and achieve good affinity, high content The effect of stabilizing the amount of selenium

Active Publication Date: 2020-07-14
CHANGSHA HAORUI BIOLOGICAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The growth period of the first way is long, the production cost is high, and with the oil processing, the retention of selenium in the oil is very low; the selenium in the second way cannot be well fused with the oil, resulting in the dissolution The content of selenium in oil is very low, and the content is unstable, and the selenium in oil will precipitate over time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Take shelled camellia oleifera seed meal, crush and sieve 100 mesh, and then prepare a suspension with sodium selenite solution with a concentration of 50 mg / l at a mass ratio of 1:2; sterilize the suspension, adjust its pH value to 8, and inoculate The mixed strains of mold and yeast (mold: yeast = 1:1) with 15% suspension quality were subjected to liquid fermentation, the fermentation temperature was kept at 35°C, and the fermentation time was 72 hours; the fermented suspension was centrifuged, Pour off the supernatant to obtain the slag body: put the slag body in a grinder and grind it into a paste, and then vacuum freeze-dry it into selenium-enriched camellia oleifera seed meal powder; mix selenium-enriched camellia oleifera seed meal powder with lecithin according to the mass ratio of 1 : 0.4 Stir and mix evenly to prepare a mixture, then mix the mixture with Camellia oleifera seed oil at a mass ratio of 1:6, then slowly stir at 80°C for 4 hours, precipitate and fil...

Embodiment 2

[0022] Take the dehulled camellia seed dregs, crush and sieve 120 mesh, and then prepare a suspension with sodium selenite solution with a concentration of 55 mg / l at a mass ratio of 1:1.5; sterilize the suspension, adjust its pH value to 7.5, and inoculate The mixed strains of mold and lactic acid bacteria (mold: lactic acid bacteria = 1:1) with 18% suspension quality were subjected to liquid fermentation, the fermentation temperature was kept at 36°C, and the fermentation time was 85 hours; the fermented suspension was centrifuged and poured Obtain the slag from the supernatant: put the slag in a grinder and grind it into a paste, then freeze-dry it in a vacuum to form a selenium-enriched camellia seed meal powder; mix the selenium-enriched camellia oleifera seed meal powder with lecithin at a mass ratio of 1:0.25 Stir and mix evenly to prepare a mixture, then mix the mixture and Camellia oleifera seed oil at a mass ratio of 1:4, then slowly stir at 80°C for 3.5 hours, precip...

Embodiment 3

[0024] Take shelled camellia oleifera seed meal, crush and sieve 80 meshes, and then prepare a suspension with sodium selenite solution with a concentration of 45 mg / l at a mass ratio of 1:1; sterilize the suspension, adjust its pH value to 6.5, and inoculate The mixed strains of mold, yeast and lactic acid bacteria (mold: yeast: lactic acid bacteria = 1:1:1) with 12% suspension quality were used for liquid fermentation, the fermentation temperature was kept at 32°C, and the fermentation time was 60 hours; after fermentation centrifuge the suspension of the suspension, pour off the supernatant to obtain the slag: put the slag in a grinder and grind it into a paste, and then vacuum freeze-dry it into selenium-enriched camellia oleifera seed meal powder; mix the selenium-enriched camellia oleifera seed meal with The lecithin is stirred and mixed evenly according to the mass ratio of 1:0.6 to prepare the mixture, and then the mixture is mixed with the camellia seed oil according t...

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Abstract

The invention relates to the technical field of food processing and particularly relates to a preparation method of selenium-rich camellia seed oil. In the preparation method, camellia seed meal is degraded by a combined strain of mould, yeast, lactic acid bacteria and the like; the combined strain absorbs and utilizes sodium selenite (inorganic selenium) in the degradation process of camellia seed meal so as to convert the inorganic selenium into organic selenium for storage; the ligand of the formed organic selenium is tea-seed protein or tea-seed polysaccharide; due to the homologous relation, the formed organic selenium has perfect affinity with camellia seed oil; and meanwhile, an emulsifier lecithin is added to mix the organic selenium with camellia seed oil, the content of selenium in the selenium-rich camellia seed oil is kept stable, and the content of organic selenium in the selenium-rich camellia seed oil is over 400mu g / kg.

Description

technical field [0001] The invention relates to the field of food technology processing, in particular to a preparation method of selenium-enriched camellia oleifera seed oil. Background technique [0002] Although the content of trace elements in the human body is not much, they are closely related to human health and play a vital role in human life. Excessive, insufficient, unbalanced or deficient intake of them will cause human physiological abnormalities or diseases to varying degrees, such as iron, zinc, copper, manganese, chromium, selenium, molybdenum, cobalt, fluorine and so on. Among them, selenium has multiple functions such as anti-cancer, anti-tumor, anti-aging and liver protection, and is a relatively important beneficial element. Since selenium is an important part of some antioxidant enzymes and selenium-P protein in animals and humans, it plays a role in balancing the redox atmosphere in the body and can improve animal immunity. Research is a hot issue in t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23D9/04A23D9/007
CPCA23D9/007A23D9/04
Inventor 吴苏喜宋斌刘瑞兴
Owner CHANGSHA HAORUI BIOLOGICAL SCI & TECH