CN102934685A - Modified atmosphere preservation method of marine brassica chinensis L. - Google Patents

Modified atmosphere preservation method of marine brassica chinensis L. Download PDF

Info

Publication number
CN102934685A
CN102934685A CN2012105128303A CN201210512830A CN102934685A CN 102934685 A CN102934685 A CN 102934685A CN 2012105128303 A CN2012105128303 A CN 2012105128303A CN 201210512830 A CN201210512830 A CN 201210512830A CN 102934685 A CN102934685 A CN 102934685A
Authority
CN
China
Prior art keywords
qing gang
gas
little rape
protection package
freshness protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012105128303A
Other languages
Chinese (zh)
Other versions
CN102934685B (en
Inventor
郭晓光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin CNRO Science Technology Co Ltd
Original Assignee
TIANJIN CERO TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN CERO TECHNOLOGY DEVELOPMENT Co Ltd filed Critical TIANJIN CERO TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201210512830.3A priority Critical patent/CN102934685B/en
Publication of CN102934685A publication Critical patent/CN102934685A/en
Application granted granted Critical
Publication of CN102934685B publication Critical patent/CN102934685B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a modified atmosphere preservation method of marine brassica chinensis L. The modified atmosphere preservation method comprises the following steps in sequence: 1) precooling; 2) preserving by adopting preservation pouches; 3) configuring gas parameter values in the preservation pouches: utilizing a high-precision gas distribution instrument to input gases O2, CO2 and N2 into the preservation pouches with brassica chinensis L., wherein the parameter values of the gases are as follows: the concentration of O2 is 2.5-12%, the concentration of CO2 is 8-15% and the rest gas is N2; 4) putting the preservation pouches in a cold store for storage; and 5) finishing the operation. The modified atmosphere preservation method has the following beneficial effects: through precooling, packaging with the preservation pouches, configuration of the gases O2, CO2 and N2 in the preservation pouches and control of the key processes such as temperature and humidity, the storage period of brassica chinensis L. is lengthened to 45 days; more than 98% of brassica chinensis L. does not suffer from quality deterioration such as vast water loss and wilting of leaf surfaces and even leaf rot and maintains good edibility; and the method is simple, is lower in cost, avoids chemical residues during storage and conforms to the international requirements.

Description

A kind of air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel
Technical field
The present invention relates to a kind of preservation method to the little rape of the Qing Gang, particularly be a kind of air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel.
Background technology
The little rape of the Qing Gang (Brassica chinensis L.) is again pakchoi, belongs to the Cruciferae rape and belongs to Vegetable Crops of Brassica, annual herb.Originate in China, stem is upright, and branch is less, and color is dark green, contains the various nutrients such as protein, fat, glucide.It contains abundant calcium, iron and vitamin C, and carrotene is also very abundant, for resisting the skin hyperkeratosis spleen benefit is arranged greatly.
Therefore the unsuitable Long-term Storage of the little rape of the Qing Gang requires tighter to fresh-keeping condition and the shelf life that keeps the little rape better quality of the Qing Gang.In the prior art the little rape preservation and freshness of the Qing Gang is adopted the processing method of cryopreservation, the fresh-keeping concrete parameter of cryopreservation is: temperature is controlled at 0 ℃ ~ 4 ℃, relative humidity and is controlled at 92% ~ 95%; The storage period of the little rape of the Qing Gang only has 8 days ~ and 10 days; The problem that occurs in the preservation process is that blade face, the Qing Gang little rape upper strata dehydration is wilted, and lower floor rots on the blade face etc.Can not satisfy the Storage Requirement in time limit peculiar to vessel more than 30 days to the little rape method for storing and refreshing of the Qing Gang in the above-mentioned prior art, directly affect numerous crewman's food supply demand.
Summary of the invention
The object of the invention is to overcome the defective of above-mentioned prior art, a kind of freshness date that can prolong the little rape of the Qing Gang is provided, can keep again the little rapeseed quality of the Qing Gang good, realize the air regulating fresh-keeping method of the little rape of the Qing Gang a kind of peculiar to vessel of crewman's " meal meal has leaf vegetables " target.
The technical scheme that solves the problems of the technologies described above is: a kind of air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel, described air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel carries out in accordance with the following steps successively: 1). and precooling: the little rape of the Qing Gang gathered placed rapidly 0 ℃ ~ 4 ℃, the freezer precooling of relative humidity 90% ~ 96% 10 hours ~ 50 hours afterwards; 2). fresh-keeping with freshness protection package: the little rape of the Qing Gang after the precooling is placed in the freshness protection package of long 30cm ~ 120cm, wide 20cm ~ 100cm, and each little rape amount of the fresh-keeping packed Qing Gang is 1kg ~ 20kg, and makes the little rape of the Qing Gang be in loose condition (of surface); 3). in freshness protection package, prepare the gas parameter value: utilize high-accuracy gas mixing device to input O to being equipped with in the little rape freshness protection package of the Qing Gang 2, CO 2, N 2Gas, its parameter value is respectively: O 2Concentration is 2.5% ~ 12%, CO 2Concentration is 8% ~ 15%, remaining gas is N 24). enter Storage in cold bank: previous step is prepared the little rape freshness protection package of the Qing Gang behind the gas put into freezer and preserve, the control temperature of ice house is 0 ℃ ~ 4 ℃, relative humidity 60% ~ 90%; 5). finish.
The invention has the beneficial effects as follows: the present invention overcomes the defective of prior art, and the present invention is by precooling; The freshness protection package packing; In freshness protection package, prepare O 2, CO 2, N 2Gas; And in conjunction with the control to critical processes such as temperature, humidity, make the storage period of the little rape of the Qing Gang extend to 45 days by 1 day under the normal temperature ~ 2 days, the quality deterioration phenomenons such as a large amount of dehydration wiltings in blade face even blade rot do not appear in the little rape of the Qing Gang more than 98%, keep good edibility.The method operating procedure is simple, and cost is lower, without chemical residual, meets China's vegetables industry development and internationalization requirement in the storage.
The specific embodiment
The below describes in detail embodiments of the invention.
The invention provides a kind of air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel, described air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel carries out in accordance with the following steps successively:
1). precooling: the little rape of the Qing Gang gathered placed rapidly 0 ℃ ~ 4 ℃, the freezer precooling of relative humidity 90% ~ 96% 10 hours ~ 50 hours afterwards;
2). fresh-keeping with freshness protection package: the little rape of the Qing Gang after the precooling is placed in the freshness protection package of long 30cm ~ 120cm, wide 20cm ~ 100cm, and each little rape amount of the fresh-keeping packed Qing Gang is 1kg ~ 20kg, and makes the little rape of the Qing Gang be in loose condition (of surface);
3). in freshness protection package, prepare the gas parameter value: utilize high-accuracy gas mixing device to input O to being equipped with in the little rape freshness protection package of the Qing Gang 2, CO 2, N 2Gas, its parameter value is respectively: O 2Concentration is 2.5% ~ 12%, CO 2Concentration is 8% ~ 15%, remaining gas is N 2
4). enter Storage in cold bank: previous step is prepared the little rape freshness protection package of the Qing Gang behind the gas put into freezer and preserve, the control temperature of ice house is 0 ℃ ~ 4 ℃, relative humidity 60% ~ 90%;
5). finish.
Described high-accuracy gas mixing device is that the model of being produced by the Tianjin CNRO Science Technology Development Co., Ltd research and development is CPY-3000/6, and sells on market, is mainly used in the controlled atmosphere industry.This high-accuracy gas mixing device can be regulated from control panel the distribution parameter of gas with various, satisfy the concentration requirement of oxygen, carbon dioxide and nitrogen in the required mist, its distribution precision is high, good reproducibility, fast response time, reliable and stable, automaticity and preserving fruit and vegetable utilizing effect that can the Effective Raise controlled atmosphere also have good safety in utilization.
Embodiment 1:
The invention provides a kind of air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel, described air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel carries out in accordance with the following steps successively:
1). precooling: the little rape of the Qing Gang gathered placed rapidly 0 ℃, the freezer precooling of relative humidity 90% 10 hours afterwards;
2). fresh-keeping with freshness protection package: the little rape of the Qing Gang after the precooling is placed in the freshness protection package of long 30cm, wide 20cm, and each little rape amount of the fresh-keeping packed Qing Gang is 1kg, and makes the little rape of the Qing Gang be in loose condition (of surface);
3). in freshness protection package, prepare the gas parameter value: utilize high-accuracy gas mixing device to input O to being equipped with in the little rape freshness protection package of the Qing Gang 2, CO 2, N 2Gas, its parameter value is respectively: O 2Concentration is 2.5%, CO 2Concentration is 8%, remaining gas is N 2
4). enter Storage in cold bank: previous step is prepared the little rape freshness protection package of the Qing Gang behind the gas put into freezer and preserve, the control temperature of ice house is 0 ℃, relative humidity 60%;
5). finish.
Embodiment 2:
The invention provides a kind of air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel, described air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel carries out in accordance with the following steps successively:
1). precooling: the little rape of the Qing Gang gathered placed rapidly 4 ℃, the freezer precooling of relative humidity 96% 50 hours afterwards;
2). fresh-keeping with freshness protection package: the little rape of the Qing Gang after the precooling is placed in the freshness protection package of long 120cm, wide 100cm, and each little rape amount of the fresh-keeping packed Qing Gang is 20kg, and makes the little rape of the Qing Gang be in loose condition (of surface);
3). in freshness protection package, prepare the gas parameter value: utilize high-accuracy gas mixing device to input O to being equipped with in the little rape freshness protection package of the Qing Gang 2, CO 2, N 2Gas, its parameter value is respectively: O 2Concentration is 12%, CO 2Concentration is 15%, remaining gas is N 2
4). enter Storage in cold bank: previous step is prepared the little rape freshness protection package of the Qing Gang behind the gas put into freezer and preserve, the control temperature of ice house is 4 ℃, relative humidity 90%;
5). finish.
Embodiment 3:
The invention provides a kind of air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel, described air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel carries out in accordance with the following steps:
1). precooling: the little rape of the Qing Gang gathered placed rapidly 2 ℃, the freezer precooling of relative humidity 93% 30 hours afterwards;
2). fresh-keeping with freshness protection package: the little rape of the Qing Gang after the precooling is placed in the freshness protection package of long 75cm, wide 60cm, and each little rape amount of the fresh-keeping packed Qing Gang is 9kg, and makes the little rape of the Qing Gang be in loose condition (of surface);
3). in freshness protection package, prepare the gas parameter value: utilize high-accuracy gas mixing device to input O to being equipped with in the little rape freshness protection package of the Qing Gang 2, CO 2, N 2Gas, its parameter value is respectively: O 2Concentration is 7%, CO 2Concentration is 12%, remaining gas is N 2
4). enter Storage in cold bank: previous step is prepared the little rape freshness protection package of the Qing Gang behind the gas put into freezer and preserve, the control temperature of ice house is 2 ℃, relative humidity 75%;
5). finish.
Evidence, air regulating fresh-keeping method have effectively prevented the wilting dehydration on the Qing Gang little rape blade face and chlorophyll degradation loss, therefore control dehydration and hypoxemia is one of mechanism of controlled atmosphere.
By the research of the Qing Gang's little rape controlled atmosphere effect and security is learnt: oxygen (O in the little rape freshness protection package of the Qing Gang 2) can suppress its chlorophyllous degraded when concentration is controlled at 2.5% ~ 12% and prevent the blade face yellow; Keep 8% ~ 15% carbon dioxide (CO 2) concentration can reduce the little rape of the Qing Gang self respiratory rate, reduce the consumption of nutriment, thereby delay aging and the quality deterioration problem that energy loss causes; Keep the nitrogen (N more than or equal to 73% in the freshness protection package 2) concentration can delay the oxidation of the little rape of the Qing Gang, avoid blade face brown stain even aging, thereby the green preservation of good guarantor is arranged.In addition, along with the respiration of the little rape of the Qing Gang in the storage self, CO 2Concentration increases gradually, and the breeding that can hinder microorganism reaches the effect of fungus-proof antisepsis.
From controlled atmosphere test and application effect, carry out controlled atmosphere in the distribution ratio of determining, the storage period of the little rape of the Qing Gang can reach 45 days, and the vivid gas injury phenomenon and dehydration wilting even blade face of all not occurring of the little rape color of the Qing Gang more than 98% rots, and fresh-keeping effect is good.Therefore this evidence controlled atmosphere is safety and effective.
Described freshness protection package is selected polyethylene (PE) material and is had gas-premeable, to described O 2Permeability be 3900mL/m 224h0.1MPa ~ 13000mL/m 224h0.1MPa *To described CO 2Gas-premeable is 7700mL/m 224h0.1MPa *The thickness of polyethylene (PE) material freshness protection package is 25.4 μ m.
Described " O 2Permeability be 3900mL/m 224h0.1MPa ~ 13000mL/m 224h0.1MPa " implication refer under the pressure of 0.1 MPa the O of every freshness protection package through 24 hours every square metre of polyethylene materials 2Transit dose be 3900 milliliters ~ 13000 milliliters.
Described " CO 2Gas-premeable is 7700mL/m 224h0.1MPa " implication refer under the pressure of 0.1 MPa the CO of every freshness protection package through 24 hours every square metre of polyethylene materials 2Transit dose be 7700 milliliters.

Claims (3)

1. the air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel is characterized in that, described air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel carries out in accordance with the following steps successively:
1). precooling: the little rape of the Qing Gang gathered placed rapidly 0 ℃ ~ 4 ℃, the freezer precooling of relative humidity 90% ~ 96% 10 hours ~ 50 hours afterwards;
2). fresh-keeping with freshness protection package: the little rape of the Qing Gang after the precooling is placed in the freshness protection package of long 30cm ~ 120cm, wide 20cm ~ 100cm, and each little rape amount of the fresh-keeping packed Qing Gang is 1kg ~ 20kg, and makes the little rape of the Qing Gang be in loose condition (of surface);
3). in freshness protection package, prepare the gas parameter value: utilize high-accuracy gas mixing device to input O to being equipped with in the little rape freshness protection package of the Qing Gang 2, CO 2, N 2Gas, its parameter value is respectively: O 2Concentration is 2.5% ~ 12%, CO 2Concentration is 8% ~ 15%, remaining gas is N 2
4). enter Storage in cold bank: previous step is prepared the little rape freshness protection package of the Qing Gang behind the gas put into freezer and preserve, the control temperature of ice house is 0 ℃ ~ 4 ℃, relative humidity 60% ~ 90%;
5). finish.
2. a kind of air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel described in according to claim 1 is characterized in that, described air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel carries out in accordance with the following steps:
1). precooling: the little rape of the Qing Gang gathered placed rapidly 2 ℃, the freezer precooling of relative humidity 93% 30 hours afterwards;
2). fresh-keeping with freshness protection package: the little rape of the Qing Gang after the precooling is placed in the freshness protection package of long 75cm, wide 60cm, and each little rape amount of the fresh-keeping packed Qing Gang is 9kg, and makes the little rape of the Qing Gang be in loose condition (of surface);
3). in freshness protection package, prepare the gas parameter value: utilize high-accuracy gas mixing device to input O to being equipped with in the little rape freshness protection package of the Qing Gang 2, CO 2, N 2Gas, its parameter value is respectively: O 2Concentration is 7%, CO 2Concentration is 12%, remaining gas is N 2
4). enter Storage in cold bank: previous step is prepared the little rape freshness protection package of the Qing Gang behind the gas put into freezer and preserve, the control temperature of ice house is 2 ℃, relative humidity 75%;
5). finish.
3. according to claim 1 to a kind of air regulating fresh-keeping method to the little rape of the Qing Gang peculiar to vessel described in 2, it is characterized in that, described freshness protection package is selected polyethylene (PE) material and is had gas-premeable, to described O 2Permeability be 3900mL/m 224h0.1MPa13000mL/m 224h0.1MPa *To described CO 2Gas-premeable is 7700mL/m 224h0.1MPa *The thickness of polyethylene (PE) material freshness protection package is 25.4 μ m.
CN201210512830.3A 2012-12-04 2012-12-04 Modified atmosphere preservation method of marine brassica chinensis L. Active CN102934685B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210512830.3A CN102934685B (en) 2012-12-04 2012-12-04 Modified atmosphere preservation method of marine brassica chinensis L.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210512830.3A CN102934685B (en) 2012-12-04 2012-12-04 Modified atmosphere preservation method of marine brassica chinensis L.

Publications (2)

Publication Number Publication Date
CN102934685A true CN102934685A (en) 2013-02-20
CN102934685B CN102934685B (en) 2014-03-19

Family

ID=47693645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210512830.3A Active CN102934685B (en) 2012-12-04 2012-12-04 Modified atmosphere preservation method of marine brassica chinensis L.

Country Status (1)

Country Link
CN (1) CN102934685B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107361129A (en) * 2017-08-29 2017-11-21 北京农学院 A kind of rape controlled atmospheric packing preservation method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4810219B1 (en) * 1970-12-29 1973-04-02
US4142372A (en) * 1976-10-22 1979-03-06 Daikin Kogyo Co. Ltd. Controlled atmosphere storage method
JPH0810219B2 (en) * 1990-05-31 1996-01-31 新日本製鐵株式会社 Steel material quality control method for steel production line
CN1357481A (en) * 2001-06-06 2002-07-10 梅龙 Dynamic air conditioning fruit and vegetable fresh-keeping packing bag
CN102144659A (en) * 2011-04-22 2011-08-10 南京农业大学 High carbon dioxide air-regulating package fresh-keeping method for fresh-cut lettuce
CN102165968A (en) * 2011-04-07 2011-08-31 中国人民解放军63698部队 Method for refreshing fruits and vegetables in ocean vessels
CN102793003A (en) * 2012-07-26 2012-11-28 苏州亚和保鲜科技有限公司 Modified atmosphere freshness-retaining method for vegetables

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4810219B1 (en) * 1970-12-29 1973-04-02
US4142372A (en) * 1976-10-22 1979-03-06 Daikin Kogyo Co. Ltd. Controlled atmosphere storage method
JPH0810219B2 (en) * 1990-05-31 1996-01-31 新日本製鐵株式会社 Steel material quality control method for steel production line
CN1357481A (en) * 2001-06-06 2002-07-10 梅龙 Dynamic air conditioning fruit and vegetable fresh-keeping packing bag
CN102165968A (en) * 2011-04-07 2011-08-31 中国人民解放军63698部队 Method for refreshing fruits and vegetables in ocean vessels
CN102144659A (en) * 2011-04-22 2011-08-10 南京农业大学 High carbon dioxide air-regulating package fresh-keeping method for fresh-cut lettuce
CN102793003A (en) * 2012-07-26 2012-11-28 苏州亚和保鲜科技有限公司 Modified atmosphere freshness-retaining method for vegetables

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张克宏,等: "叶菜类蔬菜气调保鲜包装研究", 《包装工程》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107361129A (en) * 2017-08-29 2017-11-21 北京农学院 A kind of rape controlled atmospheric packing preservation method

Also Published As

Publication number Publication date
CN102934685B (en) 2014-03-19

Similar Documents

Publication Publication Date Title
Fagundes et al. Estimate of respiration rate and physicochemical changes of fresh-cut apples stored under different temperatures
CN102349569B (en) Method for keeping myrica rubra fresh by using plant essential oil
CN101011178A (en) Gas-conditioning fresh-keeping method for double spore mushroom
CN102302048B (en) High-oxygen and high-carbon-dioxide air conditioned fresh-keeping method of broccoli
CN105994593B (en) Method for packaging and preserving harvested broccoli in modified atmosphere
Lanka et al. Prolonging the postharvest life of papaya using modified atmosphere packaging
CN102132722A (en) Fresh-keeping method for storing and transporting vegetables and fruits in airtight environment
CN103734261A (en) Comprehensive method for refrigerating and refreshing waxberries
CN105076376A (en) Strawberry preservation method
CN102934685B (en) Modified atmosphere preservation method of marine brassica chinensis L.
Xu et al. Extending the shelf life of Victoria table grapes by high permeability and fungicide packaging at room temperature
CN104957243A (en) Litchi storage and preservation method
CN103734265A (en) Preservation method of broccolis in logistics transportation process
CN102934684B (en) Modified atmosphere preservation method of marine brassica chinensis L.
CN102144657A (en) Ice temperature modified atmosphere preservation method of button mushroom
MD20080008A (en) Process for storage of horticultural products
CN104686643A (en) Method for keeping harvested Chinese toon sprouts fresh
CN102919342A (en) Modified atmosphere preservation method for onboard leaf lettuce
CN102550646B (en) Method for preserving waxberries by way of pressure reduction treatment
CN102919343B (en) Modified atmosphere preservation method for onboard pakchoi
CN102550654B (en) Method for preserving Sanhua plum fruits
CN103250780A (en) Ethanol fumigation treatment freshness retaining method for preventing agaricus bisporus from browning
CN102487997B (en) Biological pre-treatment freshness-keeping method for green vegetable heads
CN101637200A (en) Fresh-keeping method for broccoli
Kim et al. Modified atmosphere storage influences quality parameters and shelf life of ‘tifblue’blueberries

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 300409 Beichen District, Tianjin Road, northeast of science and Technology Park, hi tech Park Road, No. 66, No.

Patentee after: TIANJIN CNRO SCIENCE TECHNOLOGY CO., LTD.

Address before: 300409 Beichen District, Tianjin Road, northeast of science and Technology Park, hi tech Park Road, No. 66, No.

Patentee before: Tianjin Cero Technology Development Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: TIANJIN SENLUO TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: TIANJIN CNRO SCIENCE-TECHNOLOGY DEVELOPMENT CO., LTD.

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Modified atmosphere preservation method of marine brassica chinensis L.

Effective date of registration: 20170310

Granted publication date: 20140319

Pledgee: Bank of Ningxia Tianjin branch, Limited by Share Ltd, Beichen

Pledgor: TIANJIN CNRO SCIENCE TECHNOLOGY CO., LTD.

Registration number: 2017990000179

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Modified atmosphere preservation method of marine brassica chinensis L.

Effective date of registration: 20200313

Granted publication date: 20140319

Pledgee: Bank of Ningxia Tianjin branch, Limited by Share Ltd, Beichen

Pledgor: TIANJIN CNRO SCIENCE TECHNOLOGY Co.,Ltd.

Registration number: Y2020990000170

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20200313

Granted publication date: 20140319

Pledgee: Bank of Ningxia Tianjin branch, Limited by Share Ltd, Beichen

Pledgor: TIANJIN CNRO SCIENCE TECHNOLOGY Co.,Ltd.

Registration number: 2017990000179