CN1335094A - Production process of nutrient DHA powder - Google Patents
Production process of nutrient DHA powder Download PDFInfo
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- CN1335094A CN1335094A CN01127722A CN01127722A CN1335094A CN 1335094 A CN1335094 A CN 1335094A CN 01127722 A CN01127722 A CN 01127722A CN 01127722 A CN01127722 A CN 01127722A CN 1335094 A CN1335094 A CN 1335094A
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- dha
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Abstract
The production process of nutrient DHA powder includes production of DHA-rich egg, separation of yolk from the DHA egg and spray drying into powder. Or, it may be also produced through addition of yolk and vitamin E in the amount of 0.1% dry yolk into gelatin, homogeneity and spray drying. The process can eliminate the fishy smell, can regulate the ratio between DHA and EPA, and is especially suitable for use as food additive of infant and pregnant woman.
Description
The present invention relates to food, particularly a kind of is the method that raw material is produced DHA nutrition dry powder with the DHA egg product, and this nutrition dry powder has high DHA: the high security of EPA ratio and stable type.
DHA is a kind of polyvalent unsaturated fatty acid, and it has the function that promotes infant's brain and retinal development.Replenish DHA in infant and milk powder and the food and can promote their intelligence and eyesight to grow, strengthen the healthy development that DHA can promote the baby in pregnant and lying-in women's food.At present, the DHA nutrition fortifier has two kinds, and a kind of is the deep sea fish oil product, and a kind of is the marine microalgae oil that is rich in DHA.Adopt natural fish oil that the shortcoming of two aspects is arranged as infant and pregnant and lying-in women's nutrition fortifier, fish oil has strong fishy smell on the one hand, natural on the other hand fish oil generally contains a large amount of EPA, a large amount of EPA have inhibitory action to infant development, so generally will handle the ethyl ester type that make into when fish oil is used for infant and the interpolation of pregnant and lying-in women's food, be undertaken carrying out the microencapsulation embedding after DHA concentrates by molecular clock or supercritical technology again and just can use through chemical process.The product complex process of producing like this, product has chemical residual, is difficult for shortcomings such as absorption.The marine microalgae oil that is rich in DHA is a kind of high-quality DHA hardening agent, but its price is too expensive, also is difficult at present be accepted by most of producer.Contain a spot of DHA in the common yolk, because content very little, can not be used as the DHA nutrition fortifier, and the method that adopts biological concentration can be in birds, beasts and eggs a large amount of DHA of enrichment, at United States Patent (USP) 5,012,761 provide a kind of DHA egg production method, the main feature of this patent is that employing fish oil is feed addictive, but do not provide the specific targets of fish oil, on this basis, it is feed addictive that the present invention adopts fish oil, and limit with regard to the middle DHA of fish oil, the content's index of EPA, produce a kind of birds, beasts and eggs of high DHA content.With these DHA birds, beasts and eggs is raw material, gets its yolk and produces pulvis, and this pulvis might become DHA nutrition fortifier of new generation.This DHA nutrition dry powder can common yolk powder production technology produce, but the product of producing is the cellular micrograined texture, loose structure is unfavorable for the stable preservation of DHA.
The objective of the invention is to the problem that exists at prior art, a kind of production method of DHA nutrition dry powder is provided, produce and have high DHA: the DHA nutrition dry powder of the high security of EPA ratio and stable type.
The production method of DHA nutrition dry powder of the present invention comprises produces the egg product that is rich in DHA, separates the yolk of DHA egg product, spraying drying powder-forming.
Also the yolk of above-mentioned DHA egg product can be joined in the glue and add vitamin E, homogeneous and the spray-drying of yolk dry weight 1 ‰.
Described glue is the mixture of gelatin or Arabic gum or gelatin and Arabic gum, and consumption is the 1-5% of yolk dry matter weight.
Described DHA egg product comprises the egg of birds such as egg, duck's egg.
Optimal scheme is to add the grease that is rich in ω-3 polyvalent unsaturated fatty acid in the feed of bird, adds DHA+EPA 〉=20% of grease, DHA: EPA 〉=1.
DHA in the DHA egg product: EPA 〉=5: 1.
More detailed, the better operation of the present invention is the grease that is rich in DHA, EPA that adds 5-10% in feed, and the DHA content of selecting grease for use is greater than EPA, DHA+EPA 〉=20%, and add the V of 1-5 ‰ therein
E, this grease can be fish oil or other marine product grease, and this kind of feeding poultry feed was collected birds, beasts and eggs more than 7 days, separated yolk, and directly spraying drying powder-forming is product.
Above-mentioned egg yolk liquid also can add behind the glue homogeneous dry again, is about to egg yolk liquid and glue and mixes, and makes glue class dry account for the 1-5% of yolk dry, calculates the amount of required egg yolk liquid and glue according to this ratio.Add the liquid V of dry matter weight 1 ‰ in the mixed liquor
EAfter, behind homogeneous, carry out spray-drying, controlling spray-dired intake air temperature is 150-200 ℃, the air outlet temperature is 85-90 ℃, collects dry powder, is the nutrition dry powder that is rich in DHA.
Foundation of the present invention is that the employing birds, beasts and eggs are bioreactor, by in the feed of bird, adding the precursor substance of DHA or DHA, in birds, beasts and eggs, become DHA to be stored in the egg with its precursor conversion DHA, DHA in egg: EPA 〉=5: 1, the two typical proportion is 8: 1, separates yolk, and and gelatin substance homogeneous together, gelatin substance and yolk protein can form microcapsules with most of grease packing in the yolk, thereby have avoided oxidation, have strengthened stability.
The product that the present invention produced is compared with microencapsulation fish oil product, has following advantage: 1) production technology has kept the natural characteristics of product.2) eliminated strong fishy smell.3) adjusted the ratio of DHA, EPA, be particularly suitable for infant and pregnant woman's food and add.4) it is lower to have reduced production cost.
Product that the present invention produced and marine microalgae oil phase ratio greatly reduce production costs.
Below by embodiment the present invention is made more detailed description.
Embodiment 1
The fish oil of interpolation 10% and 5 ‰ V in feed
EDHA content is 17.2% in the fish oil, EPA content is 8.3%, use 800 sea blue kind chickens of this feed feeding, collect 500 kilograms of eggs after 7 days, separate yolk and get 136 kilograms of egg yolk liquids, spray-drying behind homogeneous, the spray-drying intake air temperature is 160 ℃, and the air outlet temperature is 90 ℃, altogether 63 kilograms in dry powder (the part loss is arranged).Gained DHA nutrition dry powder after testing, DHA content is nutrition dry powder 3.93% (W/W), EPA content is 0.52% (W/W) of dry powder.This product is preserved DHA loss 12.5% in 10 days in 80 ℃ of lower open mouth containers.
Embodiment 2
The fish oil of interpolation 5% and 2 ‰ V in feed
EDHA content is 18.2% in the fish oil, EPA content is 8.9%, use 500 blue laying hens in sea of this feed feeding, collect 500 kilograms of eggs after 20 days, separate yolk and get 128 kilograms of egg yolk liquids, spray-drying behind homogeneous, the spray-drying intake air temperature is 200 ℃, and the air outlet temperature is 90 ℃, altogether 59 kilograms in dry powder (the part loss is arranged).Gained DHA nutrition dry powder after testing, DHA content is that (W/W, EPA content are 0.35% (W/W) of dry powder to nutrition dry powder 2.5%.This product is preserved DHA loss 10.3% in 10 days in 80 ℃ of lower open mouth containers.
Embodiment 3
The fish oil of interpolation 7% and 3 ‰ V in feed
EDHA content is 13.6% in the fish oil, EPA content is 9.3%, use 800 blue laying hens in sea of this feed feeding, collect 500 kilograms of eggs after 10 days, separate yolk and get 130 kilograms of egg yolk liquids, spray-drying behind homogeneous, the spray-drying intake air temperature is 180 ℃, and the air outlet temperature is 88 ℃, altogether 58 kilograms in dry powder (the part loss is arranged).Gained DHA nutrition dry powder after testing, DHA content is nutrition dry powder 2.8% (W/W), EPA content is 0.38% (W/W) of dry powder.This product is preserved DHA loss 11.3% in 10 days in 80 ℃ of lower open mouth containers.
Embodiment 4
The fish oil of interpolation 10% and 5 ‰ V in feed
E, DHA content is 17.2% in the fish oil, EPA content is 8.3%, use 800 sea blue kind chickens of this feed feeding, collect 300 kilograms of eggs after 7 days, separate yolk and get 78 kilograms of egg yolk liquids, add Arabic glue, the Arabic gum addition is 1% of a yolk dry weight, adds the vitamin E of yolk dry weight 1 ‰ in the glue again, and above-mentioned mixed liquor is behind homogeneous, spray-dried, the spray-drying intake air temperature is 150 ℃, and the air outlet temperature is 90 ℃, altogether 35.3 kilograms in dry powder (the part loss is arranged).Gained DHA nutrition dry powder after testing, DHA content is nutrition dry powder 3.8% (W/W), EPA content is 0.50% (W/W) of dry powder.This product is preserved DHA loss 6.38% in 10 days in 80 ℃ of lower open mouth containers.
Embodiment 5
The fish oil of interpolation 5% and 1 ‰ V in feed
E, DHA content is 18.2% in the fish oil, EPA content is 8.9%, use 800 blue laying hens in sea of this feed feeding, collect 300 kilograms of eggs after 15 days, separate yolk and get 76 kilograms of egg yolk liquids, add Arabic glue, the addition of glue is 3% of a yolk dry weight, adds the vitamin E of yolk dry weight 1 ‰ in the glue again, and above-mentioned mixed liquor is behind homogeneous, spray-dried, the spray-drying intake air temperature is 180 ℃, and the air outlet temperature is 85 ℃, altogether 36.2 kilograms in dry powder (the part loss is arranged).Gained DHA nutrition dry powder after testing, DHA content is nutrition dry powder 2.4% (W/W), EPA content is 0.36% (W/W) of dry powder.This product is preserved DHA loss 5.58% in 10 days in 80 ℃ of lower open mouth containers.
Embodiment 6
The fish oil of interpolation 8% and 3 ‰ V in feed
EDHA content is 17.2% in the fish oil, EPA content is 8.3%, use 800 blue laying hens in sea of this feed feeding, collect 300 kilograms of eggs after 10 days, separate yolk and get 75 kilograms of egg yolk liquids, mixed liquor (the Arabic gum: gelatin=1: 1) that adds Arabic gum and gelatin, the glue addition is 5% of a yolk dry weight, adds the vitamin E of yolk dry weight 1 ‰ in the glue again, and above-mentioned mixed liquor is behind homogeneous, spray-dried, the spray-drying intake air temperature is 200 ℃, and the air outlet temperature is 90 ℃, altogether 36.8 kilograms in dry powder (the part loss is arranged).Gained DHA nutrition dry powder after testing, DHA content is nutrition dry powder 2.9% (W/W), EPA content is 0.38% (W/W) of dry powder.This product is preserved DHA loss 4.6% in 10 days in 80 ℃ of lower open mouth containers.
Claims (6)
1, a kind of production method of DHA nutrition dry powder is characterized in that comprising and produces the egg product that is rich in DHA, separates the yolk of DHA egg product, spraying drying powder-forming.
2, the production method of DHA nutrition dry powder according to claim 1 is characterized in that the vitamin E, homogeneous and the spray-drying that join yolk in the glue and add yolk dry weight 1 ‰.
3, the production method of DHA nutrition dry powder according to claim 2 is characterized in that described glue is the mixture of gelatin or Arabic gum or gelatin and Arabic gum, and consumption is the 1-5% of yolk dry matter weight.
4, the production method of DHA nutrition dry powder according to claim 1 is characterized in that in feed adding the grease that is rich in DHA, EPA of 5-10%, and the DHA content of selecting grease for use is greater than EPA, DHA+EPA 〉=20%, and add the V of 1-5 ‰ therein
E, this grease can be fish oil or other marine product grease, and this kind of feeding poultry feed was collected birds, beasts and eggs more than 7 days, separated yolk, and directly spraying drying powder-forming is product.
5, according to the production method of claim 3 or 4 described DHA nutrition dry powder, it is characterized in that yolk and glue are mixed, the glue dry accounts for the 1-5% of yolk dry, adds the liquid V of dry matter weight 1 ‰ in the mixed liquor
EAfter, behind homogeneous, carry out spray-drying, must be rich in the nutrition dry powder of DHA.
6,, it is characterized in that described DHA egg product comprises the egg of birds such as egg, duck's egg according to the production method of claim 3 or 4 described DHA nutrition dry powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01127722A CN1335094A (en) | 2001-08-10 | 2001-08-10 | Production process of nutrient DHA powder |
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| CN01127722A CN1335094A (en) | 2001-08-10 | 2001-08-10 | Production process of nutrient DHA powder |
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| CN1335094A true CN1335094A (en) | 2002-02-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104982939A (en) * | 2015-06-11 | 2015-10-21 | 李卫平 | Assisted food nutrient supplement food and preparation method thereof |
| CN105166903A (en) * | 2015-09-25 | 2015-12-23 | 浙江康诺邦健康产品有限公司 | Nutrient premix for pregnant women and food containing same |
| CN105962084A (en) * | 2016-05-05 | 2016-09-28 | 吴伟 | Making method of food for parturient women |
-
2001
- 2001-08-10 CN CN01127722A patent/CN1335094A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104982939A (en) * | 2015-06-11 | 2015-10-21 | 李卫平 | Assisted food nutrient supplement food and preparation method thereof |
| CN105166903A (en) * | 2015-09-25 | 2015-12-23 | 浙江康诺邦健康产品有限公司 | Nutrient premix for pregnant women and food containing same |
| CN105166903B (en) * | 2015-09-25 | 2018-06-22 | 杭州千岛湖康诺邦健康产品有限公司 | A kind of maternal nutritional premix and the food for including maternal nutritional premix |
| CN105962084A (en) * | 2016-05-05 | 2016-09-28 | 吴伟 | Making method of food for parturient women |
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