CN104543324A - Comprehensive utilization method of large yellow croaker roes - Google Patents
Comprehensive utilization method of large yellow croaker roes Download PDFInfo
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- CN104543324A CN104543324A CN201510037923.9A CN201510037923A CN104543324A CN 104543324 A CN104543324 A CN 104543324A CN 201510037923 A CN201510037923 A CN 201510037923A CN 104543324 A CN104543324 A CN 104543324A
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Abstract
The invention relates to a comprehensive utilization method of large yellow croaker roes, belonging to the field of high value application of by-products of aquatic products. The method comprises the steps of carrying out homogeneous freeze-drying on the large yellow croaker roes, preparing roe fish oil by adopting a supercritical CO2 extraction technology, extracting high-purity lecithin from raffinate in an ultrasonic-assisted way, carrying out centrifugal filtration to obtain residue, and drying to obtain a high-protein fish protein powder product. The invention provides the comprehensive utilization method of the large yellow croaker roes, aiming at the comprehensive utilization problem of the large yellow croaker roes, by using the method, the high-purity large yellow croaker roe lecithin and the roe protein powder are obtained, so that the method has the important economic benefit for improving the high value of a large yellow croaker roe resource. According to the method, the large yellow croaker roes which are the by-products obtained after large yellow croakers are processed are taken as base material, and the fish oil and the lecithin are prepared by taking the large yellow croaker roes as the raw material for extraction, so that the utilization rate of the large yellow croaker resource is increased, the environment pollution is reduced, and a way of 'zero waste' is widened during large yellow croaker processing.
Description
Technical field
The present invention relates to a kind of method of comprehensive utilization of large yellow croaker fish-egg, belong to aquatic products accessory substance higher value application field.
Background technology
Fish-egg is one of Main By product in fish processing of aquatic products process, account for the 10%-30% of fish body gross mass, main processing mode is for being made into animal feed or fertilizer, and other major parts directly abandon, and there is the problems such as the low and contaminated environment of the wasting of resources, added value.Research in recent years finds that fish-egg is rich in the multiple beneficial nutriments such as protein, essential amino acid, unrighted acid, phosphatide, therefore, how fully effectively to utilize fish-egg resource to attract attention gradually.Utilize fish-egg resource, natural nutritional labeling can not only be provided for consumer, the pollution to environment can also be reduced simultaneously, the final economic benefit improving enterprise.
Large yellow croaker (Pseudosciaena crocea) belongs to Perciformes, Sciaenidae, and yellow croaker belongs to, popular name yellow croaker, cucumber fish, yellow croaker etc.As one of China eight large advantage outlet aquaculture product, large yellow croaker not only fine and tender taste is pure white, nutritious, and culture zone is more concentrated.Except economizing in the Zhejiang of China, Guangdong etc. and having part cultivation, major part concentrates on Ningde and the coastal area, Foochow in Fujian, and only Mushroom's year cultured output just reaches 6-7 ten thousand t.At present, large yellow croaker mainly to be earned foreign exchange economic fish as Ningde Prefecture, and except fresh food, major part adopts dry, pickled, seasoning or the preliminary working such as freezing to make product, finds a good sale at home and abroad.And large yellow croaker production and processing accessory substance fish-egg not yet obtains good development and utilization at present.Therefore, how fully utilizing large yellow croaker fish-egg has become a key technique in large yellow croaker processing, is also the Fujian regional large yellow croaker processing industry letter in east technical barrier to be solved.
In large yellow croaker fish-egg, fish oil accounts for the 25%-30% of gross mass, and fish oil is rich in eicosapentaenoic acid (EPA) and DHA (DHA), is a kind of natural-3 fatty acid source products having value.In addition, large yellow croaker fish-egg is rich in phosphatide, and containing n-3 polyunsaturated fatty acids such as abundant DHA or EPA in its structure, biologically active comparatively fish oil is more effective, the incidence of disease of coronary heart disease, autoimmunity disease, hypertension, malignant tumour, diabetes and Alzheimer's etc. can be reduced, improve infant's brain and eyesight etc., and bioavailability is higher, can better be absorbed by tissue.
Summary of the invention
The present invention is directed to the problem of complex utilization of large yellow croaker fish-egg, provide a kind of large yellow croaker fish-egg method of comprehensive utilization, obtain fish-egg fish oil and large yellow croaker fish-egg phosphatide and fish-egg albumen powder, to promoting the high-valued of large yellow croaker fish-egg resource, there is important economic benefit.
To achieve these goals, the technical scheme taked of the present invention is as follows:
Large yellow croaker fish-egg, through homogeneous freeze-drying, adopts supercritical CO
2abstraction technique prepares fish-egg fish oil, then adopts ultrasonic assistant means to extract phosphatide from extract remainder, the centrifugal residue obtained, and drying prepares fish-egg albumen powder product.
Concrete steps are as follows:
(1) supercritical CO
2extraction fish oil:
Large yellow croaker fish-egg powder after sieving with homogeneous freeze-drying is for raw material, and temperature 35 DEG C-45 DEG C, pressure 25 MPa-35MPa, extracts 80min-100min, obtain large yellow croaker fish oil under the condition of carbon dioxide flow 15L/h-30L/h;
(2) ultrasonic counter-flow extraction:
With supercritical CO
2extract remainder is raw material, adds 90-95% ethanol, ultrasonic power be 180W-250W, temperature be 35 DEG C of-50 DEG C of conditions under ultrasonic counter-flow extraction 15min-35min;
(3) fish-egg albumen powder and fish-egg phosphatide is prepared
Adopt centrifugal separation method after ultrasonic counter-flow extraction, the residue drying obtained obtains fish-egg albumen powder; Supernatant adopts reduced pressure concentration, obtains fish-egg phosphatide.
feature of the present invention:
The present invention's base-material used is the accessory substance-large yellow croaker fish-egg after large yellow croaker processing, to extract as raw material with it and prepare fish oil and phosphatide, and finally obtain the product that Fish protein etc. is of high nutritive value, these technology improve the utilization rate of large yellow croaker resource, decrease the pollution to environment, opened up large yellow croaker processing " zero discard " by way of.
Detailed description of the invention
embodiment 1
Large yellow croaker fish-egg powder after sieving with homogeneous freeze-drying for raw material, temperature 35 DEG C, pressure 25MPa, extract 80min under the condition of carbon dioxide flow 15L/h to prepare large yellow croaker fish oil product, its yield is 24.4%; Prepare the extract remainder of fish oil gained with supercritical carbon dioxide extraction method for raw material, adopt ultrasonic assistant extraction phosphatide wherein.Ultrasonic power be 180W, ethanol water content is 5%, ultrasonic temperature ultrasonic counter-flow extraction 15 min at being 35 DEG C, extract is through centrifugation, and supernatant reduced pressure concentration prepares large yellow croaker fish-egg phosphatide, and its yield reaches 10.5%.By the centrifugal residue obtained, in 50 DEG C of vacuum drying, be prepared into the protein-rich product that productive rate is 62.1%.
embodiment 2
Large yellow croaker fish-egg powder after sieving with homogeneous freeze-drying is for raw material, and temperature 40 DEG C, pressure 30MPa, extracts 90min under the condition of carbon dioxide flow 20L/h, prepares large yellow croaker fish oil product, and its yield is 25.9%; Prepare the extract remainder of fish oil gained with supercritical carbon dioxide extraction method for raw material, adopt ultrasonic assistant extraction phosphatide wherein.Ultrasonic power be 210W, ethanol water content is 7%, ultrasonic temperature ultrasonic counter-flow extraction 20 min at being 40 DEG C, extract is through centrifugation, and supernatant reduced pressure concentration prepares large yellow croaker fish-egg phosphatide, and its yield reaches 9.7%; By the centrifugal residue obtained, in 50 DEG C of vacuum drying, being prepared into productive rate is 63.3% protein-rich product.
embodiment 3
Large yellow croaker fish-egg powder after sieving with homogeneous freeze-drying is for raw material, and at temperature 45 C, pressure 30MPa, extracts 100min under the condition of carbon dioxide flow 20L/h, prepares large yellow croaker fish oil product, and its yield is 23.4%; Prepare the extract remainder of fish oil gained with supercritical carbon dioxide extraction method for raw material, adopt ultrasonic assistant extraction phosphatide wherein.Ultrasonic power be 240W, ethanol water content is 8%, ultrasonic temperature ultrasonic counter-flow extraction 25 min at being 50 DEG C, extract is through centrifugation, and supernatant reduced pressure concentration prepares large yellow croaker fish-egg phosphatide, and its yield reaches 10.9%; By the centrifugal residue obtained, in 50 DEG C of vacuum drying, being prepared into productive rate is 63.1% protein-rich product.
Claims (2)
1. a method of comprehensive utilization for large yellow croaker fish-egg, is characterized in that: large yellow croaker fish-egg, through homogeneous freeze-drying, adopts supercritical CO
2abstraction technique prepares fish-egg fish oil, then adopts ultrasonic assistant means to extract phosphatide from extract remainder, the centrifugal residue obtained, and drying prepares fish-egg albumen powder product.
2. the method for comprehensive utilization of large yellow croaker fish-egg according to claim 1, is characterized in that: concrete steps are as follows:
(1) supercritical CO
2extraction fish oil:
Large yellow croaker fish-egg powder after sieving with homogeneous freeze-drying is for raw material, and temperature 35 DEG C-45 DEG C, pressure 25 MPa-35MPa, extracts 80min-100min, obtain large yellow croaker fish oil under the condition of carbon dioxide flow 15L/h-30L/h;
(2) ultrasonic counter-flow extraction:
With supercritical CO
2extract remainder is raw material, adds 90-95% ethanol, ultrasonic power be 180W-250W, temperature be 35 DEG C of-50 DEG C of conditions under ultrasonic counter-flow extraction 15min-35min;
(3) fish-egg albumen powder and fish-egg phosphatide is prepared
Adopt centrifugal separation method after ultrasonic counter-flow extraction, the residue drying obtained obtains fish-egg albumen powder; Supernatant adopts reduced pressure concentration, obtains fish-egg phosphatide.
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| CN201510037923.9A CN104543324A (en) | 2015-01-27 | 2015-01-27 | Comprehensive utilization method of large yellow croaker roes |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104814384A (en) * | 2015-05-15 | 2015-08-05 | 福建岳海水产食品有限公司 | Rice flour containing large yellow croaker lecithin and protein and preparation method thereof |
| CN104855832A (en) * | 2015-06-05 | 2015-08-26 | 福建农林大学 | Larimichthys crocea roe protein-containing nutrition-intensified oatmeal food and preparation method thereof |
| CN106632459A (en) * | 2016-12-13 | 2017-05-10 | 山东省科学院生物研究所 | Method for preparing high-purity marine polyunsaturated fatty acid phospholipid by virtue of codfish viscera |
| CN108440640A (en) * | 2018-03-07 | 2018-08-24 | 天津国际生物医药联合研究院 | A method of extraction sturgeon egg protein |
| CN108976295A (en) * | 2018-09-06 | 2018-12-11 | 大连工业大学 | A method of extracting livetin and grease simultaneously from rheum officinale fish-egg |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104814384A (en) * | 2015-05-15 | 2015-08-05 | 福建岳海水产食品有限公司 | Rice flour containing large yellow croaker lecithin and protein and preparation method thereof |
| CN104814384B (en) * | 2015-05-15 | 2017-12-29 | 福建岳海水产食品有限公司 | A kind of ground rice and preparation method thereof of the phosphatide of fish-egg containing large yellow croaker, albumen |
| CN104855832A (en) * | 2015-06-05 | 2015-08-26 | 福建农林大学 | Larimichthys crocea roe protein-containing nutrition-intensified oatmeal food and preparation method thereof |
| CN104855832B (en) * | 2015-06-05 | 2018-07-13 | 福建农林大学 | A kind of fortification oatmeal food and preparation method thereof of the albumen of roe containing Larimichthys crocea |
| CN106632459A (en) * | 2016-12-13 | 2017-05-10 | 山东省科学院生物研究所 | Method for preparing high-purity marine polyunsaturated fatty acid phospholipid by virtue of codfish viscera |
| CN106632459B (en) * | 2016-12-13 | 2018-06-01 | 山东省科学院生物研究所 | The method that high-purity marine products polyunsaturated fatty acid phosphatide is prepared using gadus internal organ |
| CN108440640A (en) * | 2018-03-07 | 2018-08-24 | 天津国际生物医药联合研究院 | A method of extraction sturgeon egg protein |
| CN108976295A (en) * | 2018-09-06 | 2018-12-11 | 大连工业大学 | A method of extracting livetin and grease simultaneously from rheum officinale fish-egg |
| CN108976295B (en) * | 2018-09-06 | 2023-06-06 | 大连工业大学 | Method for simultaneously extracting vitellin and grease from rheum officinale roe |
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Application publication date: 20150429 |