CN104192431A - Natural oxygen consumption modified atmosphere packaging technology - Google Patents
Natural oxygen consumption modified atmosphere packaging technology Download PDFInfo
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- CN104192431A CN104192431A CN201410437256.9A CN201410437256A CN104192431A CN 104192431 A CN104192431 A CN 104192431A CN 201410437256 A CN201410437256 A CN 201410437256A CN 104192431 A CN104192431 A CN 104192431A
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- deoxidation reagent
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Abstract
The invention discloses a natural oxygen consumption modified atmosphere packaging technology. According to the technology, extracted red blood cells are semi-embedded through a microcapsule and then freeze-dried to prepare a natural deoxidizing agent, a natural deoxidizing agent pack and food are put into a packaging bag, reducing ferrous ions contained in the red blood cells in the natural deoxidizing agent consume oxygen in the packaging bag to restrain microbial growth, and then the storage period of the food is prolonged. Due to the fact that the natural deoxidizing agent is prepared from natural nontoxic and harmless substances and the deoxidizing process is moderate and efficient, the deoxidizing effect is good, the use safety of the deoxidizing agent is improved, and potential safety hazards caused by mistaken taking are effectively avoided. In addition, waste livestock blood can be effectively utilized by adopting the technology.
Description
Technical field
The present invention relates to a kind of controlled atmospheric packing technology, particularly relate to a kind of natural oxygen consumption controlled atmospheric packing technology, belong to packaging for foodstuff field.
Background technology
The controlled atmospheric packing of food claims again substitution gas packaging, gas flush packaging, to adopt the package materials with gas barrier property, in the follow-up storage of food, by certain technological means, the composition of original gas in packing is changed, and then prevent that food from causing the decline of product design because the aspects such as physics, chemistry, biology change, or slow down the speed of Quality Down, thereby prolongation Food Shelf-life, promotes food value.
Oxygen is most of food generation physics, chemistry and the biological major cause changing, and the nutritional labeling of food is had to certain destructive effect.Oxygen can cause becoming sour of grease in food and is smelly, also can make food vitamins and several amino acids generation chemical change and losing nutritive value can also aggravate food generation browning reaction.Oxygen is the material base of microorganism in food survival, and most of bacterium breeds growth because of the existence of oxygen, finally causes the putrid and deteriorated of food.Although the having of a small amount of oxygen is beneficial to fresh fruit of vegetables and keeps normal metabolism, and then extends preservation term, for packaged food, the existence of oxygen can have a strong impact on its storage stability.Therefore, the packaging of most of dehydrated foods all needs to remove oxygen to extend the shelf life.
In packaging for foodstuff, conventional deoxidation method is with the oxygen generation chemical reaction in the oxidizable compositions such as iron powder, ammonium chloride, zinc, aluminium and packaging bag (container), to play the effect of deoxidation.But this method of deoxidation has the participation of metallic compound, by chemical method deoxidation mostly, resultant of reaction is also the compound that human body is had to certain injury, therefore must on deoxidizer packing bag, mark the printed words of " not edible ", but still inevitable illiterate child or adult eats by mistake or abuse etc. causes potential danger.Therefore be necessary to develop a kind of new deoxidation air conditioning technology, to solve above-mentioned potential safety hazard.
Summary of the invention
The object of the present invention is to provide the safe natural oxygen consumption controlled atmospheric packing technology of a kind of deoxidation reagent.
For achieving the above object, natural oxygen consumption controlled atmospheric packing technology provided by the invention comprises the steps:
(1) preparation of natural deoxidation reagent bag
A. the preparation of red blood cell soak solution: high speed centrifugation at once after fresh livestock and poultry blood is gathered, abandoning supernatant, by the NaCl solution cleaning of 0.9～1.5% (w/w) 2～4 times for erythroprecipitin, then uses distilled water immersion 20～24h;
B. homogeneous mixes: by high speed dispersion homogenizer homogeneous 4～10min under 10000～23000r/min rotating speed for above-mentioned red blood cell soak solution, then add cycloheptaamylose, carragheen, Arabic gum and agar, use homogeneous dispersion machine homogeneous 5～10min under 1000～3000r/min rotating speed, the percentage by weight of described each component is respectively taking mixed total amount again: the mixed liquor 30～40% of red blood cell and water, cycloheptaamylose as 25～35%, carragheen 15～25%, Arabic gum 10～13%, agar 7～12%;
C. vacuum freeze drying: the compound after homogeneous ,-30 DEG C～-40 DEG C quick freezings, is then placed in to vacuum freeze drier lyophilisation, makes the natural deoxidation reagent dry powder of half microencapsulation;
D. packaging: 80～100 mesh sieves are pulverized and crossed to natural deoxidation reagent dry powder, the powder after sieving is packed with ventilating packaging bag by metering, obtain natural deoxidation reagent bag, natural deoxidation reagent bag is answered oxygen barrier storage before use;
(2) controlled atmospheric packing: natural deoxidation reagent bag is placed in to complex film food pack, packs at normal pressure lower sealing together with food.
Further, described in step (1) a, high speed centrifugation refers to the centrifugal 13～20min of rotating speed with 2800～3500r/min.
Further, while cleaning erythrocyte with NaCl solution in step (1) a, soak 20min～1h at every turn.
Further, described in step (1) c, the condition of vacuum freeze drying is: degree of vacuum 10～20Pa, temperature-20 DEG C～-40 DEG C.
Further, metering described in step (1) d is calculated with the natural deoxidation reagent deoxidation 1.0g of every 100g～2.0g, and concrete packed amount (metering) is determined by oxygen permeability and the storage time of the level of oxygen in the void volume of packaging bag, packing.
The present invention by the erythrocyte of extraction with being made as natural deoxidation reagent through lyophilisation after microcapsules half embedding, natural deoxidation reagent bag and food are packed in packaging bag, the oxygen that the reducibility ferrous ion containing by the red blood cell in deoxidation reagent consumes in packaging bag suppresses growth of microorganism, and then extends the food preservation phase.The nontoxic material that the present invention is natural because deoxidation reagent derives from, its deoxidation process is gentle and efficient, and therefore not only deoxidation effect is good, but also has improved the safety in utilization of deoxidation reagent, has effectively avoided the potential safety hazard of bringing because eating by mistake.In addition, because erythrocyte can come from discarded livestock and poultry blood, therefore the method can make discarded livestock and poultry blood be utilized effectively, and makes it become Fei Weibao.
Detailed description of the invention
In order to understand better the present invention, below in conjunction with specific embodiment, the present invention is described in further detail, but protection scope of the present invention is not limited to this.
Embodiment 1 dried beef controlled atmospheric packing
(1) preparation of natural deoxidation reagent bag
A. the preparation of red blood cell soak solution: the centrifugal 16min of rotating speed with 2900r/min at once after fresh ox blood is gathered, abandoning supernatant, erythroprecipitin is cleaned 2 times with the NaCl solution of isopyknic 1.2% (w/w), each 30min that soaks, and then with the distilled water immersion 21h of 4 times of volumes;
B. homogeneous mixes: by high speed dispersion homogenizer homogeneous 6min under 15000r/min rotating speed for above-mentioned red blood cell soak solution, so that erythroclasis, then after embedded material cycloheptaamylose, carragheen, Arabic gum and agar being mixed, pour in the mixed liquor of red blood cell after homogeneous and water, with homogeneous dispersion machine homogeneous 8min under 1600r/min rotating speed, the percentage by weight of described each component is respectively taking mixed total amount: the mixed liquor 40% of red blood cell and water, cycloheptaamylose as 25%, carragheen 15%, Arabic gum 10%, agar 10%;
C. vacuum freeze drying: the compound after homogeneous ,-30 DEG C of quick freezings, is then placed in to vacuum freeze drier lyophilisation under the condition of degree of vacuum 10Pa, temperature-30 DEG C, makes the natural deoxidation reagent dry powder of half microencapsulation;
D. packaging: natural deoxidation reagent dry powder is pulverized, crossed 80 mesh sieves, the powder after sieving is packed to cotton paper bag packing with ventilative, every bag of 50g, natural deoxidation reagent bag is answered oxygen barrier storage before use;
(2) controlled atmospheric packing: natural deoxidation reagent bag is placed in to complex film food pack, packs at normal pressure lower sealing together with dried beef.
Embodiment 2 cake controlled atmospheric packings
(1) preparation of natural deoxidation reagent bag
A. the preparation of red blood cell soak solution: after fresh pig blood is gathered at once with the centrifugal 20min of rotating speed of 3500r/min, abandoning supernatant, erythroprecipitin is cleaned 3 times with the NaCl solution of isopyknic 1.0% (w/w), each 40min that soaks, and then with the distilled water immersion 23h of 3 times of volumes;
B. homogeneous mixes: by high speed dispersion homogenizer homogeneous 8min under 20000r/min rotating speed for above-mentioned red blood cell soak solution, so that erythroclasis, then after embedded material cycloheptaamylose, carragheen, Arabic gum and agar being mixed, pour in the mixed liquor of red blood cell after homogeneous and water, with homogeneous dispersion machine homogeneous 5min under 1200r/min rotating speed, the percentage by weight of described each component is respectively taking mixed total amount: the mixed liquor 35% of red blood cell and water, cycloheptaamylose as 30%, carragheen 20%, Arabic gum 13%, agar 10%;
C. vacuum freeze drying: the compound after homogeneous ,-35 DEG C of quick freezings, is then placed in to vacuum freeze drier lyophilisation under the condition of degree of vacuum 15Pa, temperature-25 DEG C, makes the natural deoxidation reagent dry powder of half microencapsulation;
D. packaging: natural deoxidation reagent dry powder is pulverized, crossed 100 mesh sieves, the powder after sieving is packed to cotton paper bag packing with ventilative, every bag of 80g, natural deoxidation reagent bag is answered oxygen barrier storage before use;
(2) controlled atmospheric packing: natural deoxidation reagent bag is placed in to complex film food pack, packs at normal pressure lower sealing together with cake.
Claims (4)
1. a natural oxygen consumption controlled atmospheric packing technology, comprises the steps:
(1) preparation of natural deoxidation reagent bag
A. the preparation of red blood cell soak solution: high speed centrifugation at once after fresh livestock and poultry blood is gathered, abandoning supernatant, by the NaCl solution cleaning of 0.9～1.5% (w/w) 2～4 times for erythroprecipitin, then uses distilled water immersion 20～24h;
B. homogeneous mixes: by high speed dispersion homogenizer homogeneous 4～10min under 10000～23000r/min rotating speed for above-mentioned red blood cell soak solution, then add cycloheptaamylose, carragheen, Arabic gum and agar, use homogeneous dispersion machine homogeneous 5～10min under 1000～3000r/min rotating speed, the percentage by weight of described each component is respectively taking mixed total amount again: the mixed liquor 30～40% of red blood cell and water, cycloheptaamylose as 25～35%, carragheen 15～25%, Arabic gum 10～13%, agar 7～12%;
C. vacuum freeze drying: the compound after homogeneous ,-30 DEG C～-40 DEG C quick freezings, is then placed in to vacuum freeze drier lyophilisation, makes the natural deoxidation reagent dry powder of half microencapsulation;
D. packaging: 80～100 mesh sieves are pulverized and crossed to natural deoxidation reagent dry powder, the powder after sieving is packed with ventilating packaging bag by metering, obtain natural deoxidation reagent bag, natural deoxidation reagent bag is answered oxygen barrier storage before use;
(2) controlled atmospheric packing: natural deoxidation reagent bag is placed in to complex film food pack, packs at normal pressure lower sealing together with food.
2. natural oxygen consumption controlled atmospheric packing technology according to claim 1, is characterized in that: described in step (1) a, high speed centrifugation refers to the centrifugal 13～20min of rotating speed with 2800～3500r/min.
3. natural oxygen consumption controlled atmospheric packing technology according to claim 1 and 2, is characterized in that: while cleaning erythrocyte with NaCl solution in step (1) a, soak 20min～1h at every turn.
4. natural oxygen consumption controlled atmospheric packing technology according to claim 1, is characterized in that: described in step (1) c, the condition of vacuum freeze drying is: degree of vacuum 10～20Pa, temperature-20 DEG C～-40 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410437256.9A CN104192431B (en) | 2014-08-29 | 2014-08-29 | A kind of natural oxygen consumption controlled atmospheric packing technology |
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| CN201410437256.9A CN104192431B (en) | 2014-08-29 | 2014-08-29 | A kind of natural oxygen consumption controlled atmospheric packing technology |
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| CN104192431A true CN104192431A (en) | 2014-12-10 |
| CN104192431B CN104192431B (en) | 2016-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685448A (en) * | 2019-11-12 | 2020-01-14 | 中国十七冶集团有限公司 | Rust prevention device for embedded exposed steel bars in constructional engineering and operation method of rust prevention device |
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| CN1345286A (en) * | 1999-04-16 | 2002-04-17 | 协和发酵工业株式会社 | Packing container and packing method |
| CN1411905A (en) * | 2001-10-17 | 2003-04-23 | 丸勝产业株式会社 | Deoxidant and deoxidant packing body |
| CN2806339Y (en) * | 2005-05-11 | 2006-08-16 | 杨文渊 | Intelligent oxygen scavenger with oxygen concentration indication function |
| JP2006288270A (en) * | 2005-04-11 | 2006-10-26 | Tachibana Paper Wear Kk | Method for packaging 'ampo' persimmon |
| CN2858521Y (en) * | 2005-12-13 | 2007-01-17 | 梁嘉臻 | Novel deoxidizer packing bag |
| CN2897869Y (en) * | 2006-01-17 | 2007-05-09 | 卢秀莲 | Packing bag |
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2014
- 2014-08-29 CN CN201410437256.9A patent/CN104192431B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345286A (en) * | 1999-04-16 | 2002-04-17 | 协和发酵工业株式会社 | Packing container and packing method |
| CN1411905A (en) * | 2001-10-17 | 2003-04-23 | 丸勝产业株式会社 | Deoxidant and deoxidant packing body |
| JP2006288270A (en) * | 2005-04-11 | 2006-10-26 | Tachibana Paper Wear Kk | Method for packaging 'ampo' persimmon |
| CN2806339Y (en) * | 2005-05-11 | 2006-08-16 | 杨文渊 | Intelligent oxygen scavenger with oxygen concentration indication function |
| CN2858521Y (en) * | 2005-12-13 | 2007-01-17 | 梁嘉臻 | Novel deoxidizer packing bag |
| CN2897869Y (en) * | 2006-01-17 | 2007-05-09 | 卢秀莲 | Packing bag |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685448A (en) * | 2019-11-12 | 2020-01-14 | 中国十七冶集团有限公司 | Rust prevention device for embedded exposed steel bars in constructional engineering and operation method of rust prevention device |
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| CN104192431B (en) | 2016-04-13 |
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