CN105145813A - Dairy drink cold sterilization method - Google Patents
Dairy drink cold sterilization method Download PDFInfo
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- CN105145813A CN105145813A CN201510524074.XA CN201510524074A CN105145813A CN 105145813 A CN105145813 A CN 105145813A CN 201510524074 A CN201510524074 A CN 201510524074A CN 105145813 A CN105145813 A CN 105145813A
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Abstract
The present invention belongs to the technical field of dairy product processing, and in particular relates to a dairy drink cold sterilization method which comprises the following steps fresh dairy products are subjected to CO2 high-pressure treatment for 12-18 min at a pressure of 400-450 Mpa and at a temperature of 14-16 DEG C; and the processed fresh dairy products are subjected to aseptic filling. The selected cold sterilization technology avoids the damage that high temperature sterilization causes to the nutrients of dairy drink; finds out the optimum conditions for CO2 high-pressure sterilization and takes into account both the economy and effectiveness of the sterilization; and the content of microorganisms in the drink is controlled and the shelf life of the drink at room temperature is greatly extended by aseptic packaging. The cold sterilization method ensures the sterilization effect, at the same time maintains the mouthfeel, nutrition, color and luster, flavor, freshness and functionality of the drink, avoids the damage of the drink ingredients because of heat, and meets the requirements of consumers for food nutrition, and authentic juice and taste.
Description
Technical field
The invention belongs to technical field of processing dairy products, especially relate to a kind of dairy drink sterilization method.
Background technology
Along with the raising of people's living standard, dairy drink has become one of requisite drink in people's daily life, particularly milk beverage is nutritious, not only containing good protein, abundant calcium, and contains vitamin and the panimmunity active factors of needed by human body.
In dairy drink is produced, anti-corrosive fresh-keeping problem is particularly outstanding.China's year output of milk has reached 1,600 ten thousand tons, and because milk is nutritious, nutrient reasonable mixture ratio, very easily causes microbial growth, breeding, causes milk putrid and deteriorated, lose up to more than 800,000 tons, amount to RMB about 1,600,000,000 yuan because preservation technique falls behind.
At present, both at home and abroad to the sterilization processing of sweet milk, main adopt traditional high temperature sterilization mode, ultra high temperature short time sterilization causes certain destruction to the color of milk, functional and nutritional labeling, and easily makes milk produce " boiling taste ".
In sum, pasteurization not only causes the loss of nutritional labeling, also can affect the organoleptic quality of food, therefore, research and develop a kind of non-thermal sterilization method, while guarantee bactericidal effect, keep the mouthfeel of drink, nutrition, color and luster, local flavor, freshness and functional, avoid black rice milk plant protein beverage to be destroyed because of heat, meet consumer and food nutrition, genuine requirement are very important.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of and keep drink mouthfeel, nutrition, color and luster, local flavor, freshness and functional, meet the dairy drink sterilization method of consumer's quality requirements.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of dairy drink sterilization method, comprises the following steps:
(1) by fresh milk goods through CO
2hIGH PRESSURE TREATMENT 12 ~ 18min, described pressure condition is 400 ~ 450Mpa, and described temperature conditions is 14 ~ 16 DEG C;
(2) the fresh milk goods after process are carried out sterile filling.
Preferably, described fresh milk goods Vacuum Package carries out the HIGH PRESSURE TREATMENT of step 1 in aseptic package bag.
Preferably, in described step 1 fresh milk goods through CO
2hIGH PRESSURE TREATMENT 15min, described pressure condition is 430Mpa, and described temperature conditions is 15 DEG C.
Preferably, described fresh milk goods are raw milk.
Advantage of the present invention and good effect are: (1) the present invention selects cold sterilization technology, avoid high temperature sterilization to the destruction of dairy drink nutritional labeling; (2) the present invention have found the optimum condition of CO2 high pressure sterilization, has taken into account economy and the validity of sterilization; (3) the present invention is by aseptic packaging, and control the content of drink microorganism, the shelf-life under room temperature extends greatly.
While guarantee bactericidal effect, keep the mouthfeel of drink, nutrition, color and luster, local flavor, freshness and functional, avoid black rice milk plant protein beverage and be destroyed because of heat, meet the requirement of consumer to food nutrition, genuineness.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated, and following each embodiment, only for illustration of the present invention, does not limit the present invention.
Embodiment:
A kind of dairy drink sterilization method, comprises the following steps:
(1) by raw milk Vacuum Package in aseptic package bag through CO
2hIGH PRESSURE TREATMENT 16min, described pressure condition is 430Mpa, and described temperature conditions is 15 DEG C;
(2) raw milk after process is carried out sterile filling.
Above-mentioned steps kills 99.5% of total number of bacteria in milk, and residual viable count is less than 2*10cfu/L, lower than China's sterilized milk sanitary standard order of magnitude; And by the dairy drink of above-mentioned preparation by aseptic packaging, control the content of microorganisms of drink, the product that obtains can at room temperature be preserved 3 months, under 4 DEG C of conditions, preserve 4-6 month.
Above embodiments of the invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the scope of the invention change and improve, and all should still belong within this patent covering scope.
Claims (4)
1. a dairy drink sterilization method, is characterized in that, comprises the following steps:
(1) by fresh milk goods through CO2 HIGH PRESSURE TREATMENT 12 ~ 18min, described pressure condition is 400 ~ 450Mpa, and described temperature conditions is 14 ~ 16 DEG C;
(2) the fresh milk goods after process are carried out sterile filling.
2. dairy drink sterilization method according to claim 1, is characterized in that: described fresh milk goods Vacuum Package carries out the HIGH PRESSURE TREATMENT of step 1 in aseptic package bag.
3. dairy drink sterilization method according to claim 1, it is characterized in that: in described step 1, fresh milk goods are through CO2 HIGH PRESSURE TREATMENT 15min, described pressure condition is 430Mpa, described temperature conditions is 15 DEG C.
4. dairy drink sterilization method according to claim 1, is characterized in that: described fresh milk goods are raw milk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524074.XA CN105145813A (en) | 2015-08-24 | 2015-08-24 | Dairy drink cold sterilization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524074.XA CN105145813A (en) | 2015-08-24 | 2015-08-24 | Dairy drink cold sterilization method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105145813A true CN105145813A (en) | 2015-12-16 |
Family
ID=54787215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510524074.XA Pending CN105145813A (en) | 2015-08-24 | 2015-08-24 | Dairy drink cold sterilization method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105145813A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006333835A (en) * | 2005-06-06 | 2006-12-14 | Kobe Steel Ltd | Method for treating liquid state fluid by utilizing high pressure carbon dioxide |
| CN101816451A (en) * | 2010-04-14 | 2010-09-01 | 潘见 | Method for continuously and dynamically pre-sterilizing liquid substance by charging air under super high pressure |
| CN104430868A (en) * | 2014-12-11 | 2015-03-25 | 光明乳业股份有限公司 | Zymolytic oat milk product and preparation method of ultra-high pressure sterilization |
-
2015
- 2015-08-24 CN CN201510524074.XA patent/CN105145813A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006333835A (en) * | 2005-06-06 | 2006-12-14 | Kobe Steel Ltd | Method for treating liquid state fluid by utilizing high pressure carbon dioxide |
| CN101816451A (en) * | 2010-04-14 | 2010-09-01 | 潘见 | Method for continuously and dynamically pre-sterilizing liquid substance by charging air under super high pressure |
| CN104430868A (en) * | 2014-12-11 | 2015-03-25 | 光明乳业股份有限公司 | Zymolytic oat milk product and preparation method of ultra-high pressure sterilization |
Non-Patent Citations (2)
| Title |
|---|
| 廖红梅，等: "高压二氧化碳杀菌机理研究进展", 《食品工业科技》 * |
| 肖杨，等: "超高压处理对生牛乳杀菌效果的研究", 《食品科技》 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |