CN102630742A - Ultrahigh-pressure refreshing method for maintaining quality of fresh lotus roots - Google Patents

Ultrahigh-pressure refreshing method for maintaining quality of fresh lotus roots Download PDF

Info

Publication number
CN102630742A
CN102630742A CN2012101465825A CN201210146582A CN102630742A CN 102630742 A CN102630742 A CN 102630742A CN 2012101465825 A CN2012101465825 A CN 2012101465825A CN 201210146582 A CN201210146582 A CN 201210146582A CN 102630742 A CN102630742 A CN 102630742A
Authority
CN
China
Prior art keywords
pressure
bright lotus
lotus
ultrahigh
fresh
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
CN2012101465825A
Other languages
Chinese (zh)
Other versions
CN102630742B (en
Inventor
郑宝东
张翀
郭泽镔
张宁宁
张怡
曾绍校
田玉庭
刘文聪
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.)
Fujian Agriculture and Forestry University
Original Assignee
Fujian Agriculture and Forestry University
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 Fujian Agriculture and Forestry University filed Critical Fujian Agriculture and Forestry University
Priority to CN 201210146582 priority Critical patent/CN102630742B/en
Publication of CN102630742A publication Critical patent/CN102630742A/en
Application granted granted Critical
Publication of CN102630742B publication Critical patent/CN102630742B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses an ultrahigh-pressure refreshing method for maintaining the quality of fresh lotus roots. The fresh lotus roots after being pretreated and vacuum sealed and packaged are placed into an ultrahigh-pressure vessel, ultrahigh-pressure treatment on the fresh lotus roots is implemented by controlling pressure, medium temperature and pressure maintaining time of an ultrahigh-pressure device in one to three times of a circulation process of pressurizing, pressure maintaining and pressure releasing. The method comprises the steps of: harvesting fresh lotus roots, shelling, stripping, dredging core, protecting color, vacuum packaging, ultrahigh-pressure processing, packaging, and cold storing and obtaining a finished product. Due to the adoption of the method, activities of poly (phenylene oxide) deprecated (PPO) and peroxidase (POD) in the fresh lotus roots can be effectively inhibited, the browning and quality changing of the fresh lotus roots during the processing and storage period can be prevented, and the preservation period of the fresh lotus roots can be prolonged to more than 3 months under the cold storage condition. The ultrahigh-pressure treatment is a physical process. Due to the adoption of the method, the appearance quality and the nutrients of the fresh lotus roots can be adequately reserved, the technique is simple, maneuverability is strong, energy consumption is small, the method is safe and pollution-free, and a novel way is developed for the lotus industry.

Description

A kind of superhigh pressure fresh-keeping process that keeps bright lotus quality
Technical field
The invention belongs to the food preservative technology field, be specifically related to a kind of superhigh pressure fresh-keeping process that keeps bright lotus quality.
Background technology
Lotus seeds have another name called the pellet of water, genus Nymphaeceae Nelumbo ( Nymphaeaceae Nelumbo Adans), be the important special product economic resources of China.Lotus seeds contain trace elements such as rich in protein, carbohydrate, vitamin and multiple essential amino acid, flavonoids, water-soluble polysaccharide, superoxide dismutase (SOD) and calcium, phosphorus, iron, zinc.Therefore, lotus seeds just are regarded as a kind of high-class healthy food since ancient times.The Li Shizhen (1518-1593 A.D.) Compendium of Material Medica is carried lotus seeds effects such as " eaten clearing heat and cooling blood raw, gathered diffusing merit, the prepared food beneficial gas of making light of one's life by commiting suicide make us keeping fit, and also has the heat-clearing stasis of blood of loosing, mental-tranquilization, kidney tonifying, beneficial bone, cool blood ".Bright lotus is with its full exterior quality, fresh local flavor and comprehensively nutrition and looked at by consumer's parent.But the very easily brown stain at normal temperatures of bright lotus, rot, though under 3 ℃ ~ 6 ℃ frozen states also storage tolerance not, refrigeration storage period, generally about 30 days, commercial value was low.Compare with fresh lotus seeds; The not only profile shrinkage of conventional dry lotus, the nutritive value that loses bright lotus and original local flavor, and be difficult for well-done, inconvenient eating, though the quick-frozen lotus seed of exploitation can effectively keep bright lotus quality in recent years; But its production and transport cost is high, to a certain degree limit freeze the development of lotus.
Polyphenol oxidase (PPO) is the main enzyme that causes the fruits and vegetables enzymatic browning.According to research, Xian Lianzhong contains abundant polyphenol oxidase and substrate aldehydes matter thereof, is example with Jianning flower row lotus, and the PPO activity is up to 480U/g.The enzymatic browning that PPO causes is the key factor of bright lotus processing of influence and storing, therefore how to suppress the key problem in technology that the PPO activity is bright lotus cold storing and fresh-keeping.And peroxidase (POD) also has direct relation with the change of lotus seeds duration of storage local flavor.Though the traditional hot process technology has the enzyme effect of well going out, can make the lotus seed starch gelatinization and then influence the commodity value such as quality, color of bright lotus.
(ultra high pressure UHP) belongs to non-heating power process technology to the super-pressure process technology, is considered to a kind of very promising green processing technology.After it is meant food is packed; Place water or other liquid pressure system as transmission medium; Apply 100MPa ~ 1000MPa even higher processing pressure, handle appropriate time at a certain temperature, to reach sterilization, blunt enzyme and to improve the purposes such as functional characteristic of food.Ultra high pressure treatment is a physical process; Only non-covalent bond is exerted an influence; And do not destroy covalent bond basically, therefore not only can kill microorganism and the various enzymes of passivation etc. in the food effectively, and not have for the vitamin in the food, pigment and flavor substance etc. and obviously to influence; At food sterilizing, preservation and freshness even improvement flavour of food products, improve aspects such as food tissue structure, functional characteristic and have vast market prospect.
Summary of the invention
The object of the present invention is to provide a kind of superhigh pressure fresh-keeping process that keeps bright lotus quality; Method of the present invention can effectively suppress PPO in the bright lotus, POD is active; Prevent that bright lotus from changing in the brown stain and the quality of processing and duration of storage, be implemented in bright lotus preservation term was extended to more than 3 months.Ultra high pressure treatment is a physical process, and the present invention has fully kept exterior quality and the nutritional labeling of bright lotus, and technology is simple, workable, energy consumption is little, safety non-pollution, for the lotus seeds industry is opened up a new approach.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of superhigh pressure fresh-keeping process that keeps bright lotus quality; To pass through pretreated bright lotus vacuum sealed package is placed in the ultrahigh pressure vessel; Through pressure, medium temperature and the dwell time of control extra-high tension unit; Carry out the cyclic process of 1 ~ 3 pressurization, pressurize and pressure release bright lotus is carried out ultra high pressure treatment, the step of said method comprises: bright lotus gather, shell striping, logical core, protect look, vacuum packaging, ultra high pressure treatment, packing, refrigeration and obtain finished product.Said bright lotus is that maturity reaches 9 one-tenth above lotus seeds.
Concrete preparation process is following:
(1) bright lotus is gathered: select full grains, size is even, and the fresh lotus seeds of no disease and pest are as raw material;
(2) preliminary treatment: shell, striping, logical core, the water of promptly putting into 10 ℃ ~ 15 ℃ after the processing cleans, and drains subsequent use;
(3) dipping protects look: with processing colour protecting liquid after the composite color fixative dissolving, pretreated bright lotus is put into the colour protecting liquid dipping immediately protect look, and time 10 ~ 20min, the dipping back is cleaned and is drained; Said composite color fixative is ascorbic acid and citric acid, and the mass fraction of ascorbic acid is 0.05% ~ 0.20% in the colour protecting liquid, and the mass fraction of citric acid is 0.05% ~ 0.20%.
(4) vacuum packaging: will pass through and protect bright lotus that look handles and pack in the polypropylene film bag, and adopt vacuum packing machine to pack;
(5) ultra high pressure treatment: the bright lotus that vacuum packet is installed places ultrahigh pressure vessel to carry out ultra high pressure treatment; Described ultra high pressure treatment condition: 20 ℃ ~ 40 ℃ of pressure 100MPa ~ 600MPa, liquid pressure medium temperature, 10 minutes ~ 30 minutes dwell time, the pressurize mode is the cyclic process of 1 ~ 3 pressurization, pressurize and pressure release.
(6) packing: with the packaging bag of packing into of the bright lotus after the ultra high pressure treatment, vacuum seal;
(7) refrigeration: packaged bright lotus is preserved under 3 ℃ ~ 6 ℃ refrigerated conditions.
Remarkable advantage of the present invention is:
(1) than the traditional hot process technology, the super-pressure process technology belongs to non-hot-working technology, and super-pressure is a physical process, only acts on non-covalent bond, and covalent bond is not destroyed basically.Therefore, in effective killing microorganisms and inactive enzyme, the natural flavour mountaineous and nutrition that can better keep food.The present invention has fully kept the original quality characteristic of bright lotus, but preservation is more than 3 months under 3 ℃ ~ 6 ℃ conditions, and instant has commercial value.
(2) ultra high pressure treatment is the compression process of liquid, is easy to control, safety non-pollution, and need not to provide energy to keep-up pressure after reaching setting pressure, less energy consumption has promotional value.
The specific embodiment
A kind of superhigh pressure fresh-keeping process that keeps bright lotus quality, concrete steps are following:
(1) bright lotus is gathered: select full grains, size is even, and the fresh lotus seeds of no disease and pest are as raw material;
(2) preliminary treatment: shell, striping, logical core, promptly put into water after the processing and clean, drain subsequent use;
(3) dipping protects look: with processing colour protecting liquid after the composite color fixative dissolving, pretreated bright lotus is put into the colour protecting liquid dipping immediately protect look, and time 10 ~ 20min, the dipping back is cleaned and is drained;
(4) vacuum packaging: will pass through the bright lotus of protecting the look processing and carry out vacuum packaging;
(5) ultra high pressure treatment: the bright lotus that vacuum packet is installed places ultrahigh pressure vessel to carry out ultra high pressure treatment;
(6) packing: with the packaging bag of packing into of the bright lotus after the ultra high pressure treatment, vacuum seal;
(7) refrigeration: packaged bright lotus is preserved under refrigerated condition.
Putting into 10 ℃ ~ 15 ℃ water behind the logical core of bright lotus in the step (2) cleans.
Dipping protects look described in the step (3), and composite color fixative is ascorbic acid, citric acid, and its weight ratio that accounts for colour protecting liquid is respectively 0.05% ~ 0.20% ascorbic acid, 0.05% ~ 0.20% citric acid.
Vacuum packaging described in the step (4) is protected bright lotus that look handles and is packed in the polypropylene film bag for passing through, and adopts vacuum packing machine to pack.
Ultra high pressure treatment described in the step (5) is 20 ℃ ~ 40 ℃ of pressure 100MPa ~ 600MPa, liquid pressure medium temperature, and 10 minutes ~ 30 minutes dwell time, the pressurize mode is the cyclic process of 1 ~ 3 pressurization, pressurize and pressure release.
Refrigerated storage temperature described in the step (7) is 3 ℃ ~ 6 ℃.
Below be several specific embodiment of the present invention, further specify the present invention, but the present invention is not limited only to this enforcement.
Embodiment 1
(1) bright lotus is gathered: with " building lotus " is raw material, full grains, and size is even, no disease and pest, maturity is more than 9 one-tenth;
(2) preliminary treatment: manual work is shelled, striping, logical core, promptly puts into 10 ℃ ~ 15 ℃ water after the processing and cleans, and drains subsequent use;
(3) dipping protects look: process colour protecting liquid after quantitatively taking by weighing composite color fixative (0.1% ascorbic acid+0.1% citric acid) dissolving, pretreated bright lotus is put into the colour protecting liquid dipping immediately protect look, and time 10min, the dipping back is cleaned and is drained;
(4) vacuum packaging: will pass through the bright lotus of protecting the look processing and carry out vacuum packaging;
(5) ultra high pressure treatment: the bright lotus that vacuum packet is installed places ultrahigh pressure vessel to carry out ultra high pressure treatment, 30 ℃ of processing pressure 500MPa, liquid pressure medium temperature, 1 pressurization continuously, pressurize pressure release after 5 minutes;
(6) packing: with the packaging bag of packing into of the bright lotus after the ultra high pressure treatment, vacuum seal;
(7) refrigeration: packaged bright lotus is refrigerated down at 4 ℃.
Embodiment 2
(1) bright lotus is gathered: with " building lotus " is raw material, full grains, and size is even, no disease and pest, maturity is more than 9 one-tenth;
(2) preliminary treatment: manual work is shelled, striping, logical core, promptly puts into 10 ℃ ~ 15 ℃ water after the processing and cleans, and drains subsequent use;
(3) dipping protects look: process colour protecting liquid after quantitatively taking by weighing composite color fixative (0.15% ascorbic acid+0.1% citric acid) dissolving, pretreated bright lotus is put into the colour protecting liquid dipping immediately protect look, and time 15min, the dipping back is cleaned and is drained;
(4) vacuum packaging: will pass through the bright lotus of protecting the look processing and carry out vacuum packaging;
(5) ultra high pressure treatment: the bright lotus that vacuum packet is installed places ultrahigh pressure vessel to carry out ultra high pressure treatment; 40 ℃ of processing pressure 100MPa, liquid pressure medium temperature; Be pressurized to for the first time pressure release behind 100MPa and the pressurize 10min, be pressurized to pressure release behind 100MPa and the pressurize 10min for the second time;
(6) packing: with the packaging bag of packing into of the bright lotus after the ultra high pressure treatment, vacuum seal;
(7) refrigeration: packaged bright lotus is refrigerated down at 4 ℃.
Embodiment 3
(1) bright lotus is gathered: with " building lotus " is raw material, full grains, and size is even, no disease and pest, maturity is 9 one-tenth;
(2) preliminary treatment: manual work is shelled, striping, logical core, promptly puts into 10 ℃ ~ 15 ℃ water after the processing and cleans, and drains subsequent use;
(3) dipping protects look: process colour protecting liquid after quantitatively taking by weighing composite color fixative (0.2% ascorbic acid+0.2% citric acid) dissolving, pretreated bright lotus is put into the colour protecting liquid dipping immediately protect look, time 20min drains behind the dipping;
(4) vacuum packaging: will pass through the bright lotus of protecting the look processing and carry out vacuum packaging;
(5) ultra high pressure treatment: the bright lotus that vacuum packet is installed places ultrahigh pressure vessel to carry out ultra high pressure treatment; 35 ℃ of liquid pressure medium temperature; Be pressurized to for the first time 100MPa and not pressure release of pressurize 10min; For the second time be pressurized to 200MPa and not pressure release of pressurize 5min, be pressurized to pressure release behind 300MPa and the pressurize 3min for the third time;
(6) packing: with the packaging bag of packing into of the bright lotus after the ultra high pressure treatment, vacuum seal;
(7) refrigeration: packaged bright lotus is refrigerated down at 4 ℃.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.

Claims (6)

1. superhigh pressure fresh-keeping process that keeps bright lotus quality; It is characterized in that: will pass through pretreated bright lotus vacuum sealed package and be placed in the ultrahigh pressure vessel; Through pressure, medium temperature and the dwell time of control extra-high tension unit; Carry out the cyclic process of 1 ~ 3 pressurization, pressurize and pressure release bright lotus is carried out ultra high pressure treatment, the step of said method comprises: bright lotus gather, shell striping, logical core, protect look, vacuum packaging, ultra high pressure treatment, packing, refrigeration and obtain finished product.
2. the superhigh pressure fresh-keeping process of the bright lotus quality of maintenance according to claim 1 is characterized in that: said bright lotus is that maturity reaches 9 one-tenth above lotus seeds.
3. the superhigh pressure fresh-keeping process of the bright lotus quality of maintenance according to claim 1 is characterized in that: concrete preparation process is following:
(1) bright lotus is gathered: select full grains, size is even, and the fresh lotus seeds of no disease and pest are as raw material;
(2) preliminary treatment: shell, striping, logical core, the water of promptly putting into 10 ℃ ~ 15 ℃ after the processing cleans, and drains subsequent use;
(3) dipping protects look: with processing colour protecting liquid after the composite color fixative dissolving, pretreated bright lotus is put into the colour protecting liquid dipping immediately protect look, and time 10 ~ 20min, the dipping back is cleaned and is drained;
(4) vacuum packaging: will pass through and protect bright lotus that look handles and pack in the polypropylene film bag, and adopt vacuum packing machine to pack;
(5) ultra high pressure treatment: the bright lotus that vacuum packet is installed places ultrahigh pressure vessel to carry out ultra high pressure treatment;
(6) packing: with the packaging bag of packing into of the bright lotus after the ultra high pressure treatment, vacuum seal;
(7) refrigeration: packaged bright lotus is preserved under refrigerated condition.
4. the superhigh pressure fresh-keeping process of the bright lotus quality of maintenance according to claim 3; It is characterized in that: composite color fixative is ascorbic acid and citric acid described in the step (3); The mass fraction of ascorbic acid is 0.05% ~ 0.20% in the colour protecting liquid, and the mass fraction of citric acid is 0.05% ~ 0.20%.
5. the superhigh pressure fresh-keeping process of the bright lotus quality of maintenance according to claim 3; It is characterized in that: the ultra high pressure treatment condition described in the step (5): 20 ℃ ~ 40 ℃ of pressure 100MPa ~ 600MPa, liquid pressure medium temperature; 10 minutes ~ 30 minutes dwell time, the pressurize mode is the cyclic process of 1 ~ 3 pressurization, pressurize and pressure release.
6. the superhigh pressure fresh-keeping process of the bright lotus quality of maintenance according to claim 3 is characterized in that: the refrigerated storage temperature described in the step (7) is 3 ℃ ~ 6 ℃.
CN 201210146582 2012-05-14 2012-05-14 Ultrahigh-pressure refreshing method for maintaining quality of fresh lotus roots Active CN102630742B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201210146582 CN102630742B (en) 2012-05-14 2012-05-14 Ultrahigh-pressure refreshing method for maintaining quality of fresh lotus roots

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201210146582 CN102630742B (en) 2012-05-14 2012-05-14 Ultrahigh-pressure refreshing method for maintaining quality of fresh lotus roots

Publications (2)

Publication Number Publication Date
CN102630742A true CN102630742A (en) 2012-08-15
CN102630742B CN102630742B (en) 2013-06-05

Family

ID=46615460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201210146582 Active CN102630742B (en) 2012-05-14 2012-05-14 Ultrahigh-pressure refreshing method for maintaining quality of fresh lotus roots

Country Status (1)

Country Link
CN (1) CN102630742B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102894074A (en) * 2012-10-08 2013-01-30 南昌大学 Lotus nut color protecting and freshness keeping method
CN103168829A (en) * 2013-04-18 2013-06-26 重庆博智高压科技有限公司 Ultrahigh-pressure preservation method of brasenia schrebei
CN103636743A (en) * 2013-12-25 2014-03-19 长沙理工大学 Refrigeration preservation method of hulled fresh lotus seeds
CN105410589A (en) * 2015-11-26 2016-03-23 杨志强 Method for processing fresh keeping filling at superhigh pressure
CN105941601A (en) * 2016-04-28 2016-09-21 中国农业大学 Method for producing fresh-cut fruits and vegetables by using gas combined with ultra-high pressure technology
CN106136019A (en) * 2016-05-18 2016-11-23 彝良山益宝生物科技有限公司 A kind of preparation method of superhigh pressure fresh-keeping Rhizoma Gastrodiae
CN106333289A (en) * 2016-08-26 2017-01-18 中国农业大学 Non-thermal processing method for Athyrium multidentatum(Doll.) Ching wild vegetable
CN106742371A (en) * 2016-11-22 2017-05-31 解慧勇 A kind of Chinese herbal medicine normal temperature fresh-keeping method
CN107950650A (en) * 2017-12-11 2018-04-24 福建农林大学 A kind of processing method of quick freezed yam
CN109497371A (en) * 2018-11-26 2019-03-22 山西中医药大学 A kind of Wild rose hip juice drink and its production method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1600149A (en) * 2003-09-28 2005-03-30 北京高才科技开发有限公司 Extra high-pressure method for preserving foodstuff
CN101579013A (en) * 2009-06-11 2009-11-18 福建农林大学 Microwave vacuum drying process for lotus seed
CN101731310A (en) * 2008-11-21 2010-06-16 李庆领 Ultrahigh isostatic pressing sterilization and refreshment method of asparagus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1600149A (en) * 2003-09-28 2005-03-30 北京高才科技开发有限公司 Extra high-pressure method for preserving foodstuff
CN101731310A (en) * 2008-11-21 2010-06-16 李庆领 Ultrahigh isostatic pressing sterilization and refreshment method of asparagus
CN101579013A (en) * 2009-06-11 2009-11-18 福建农林大学 Microwave vacuum drying process for lotus seed

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张英 等: "果蔬保鲜机理及其新技术", 《宁夏农林科技》 *
胡晓亮 等: "新型保鲜技术在食品贮藏与保鲜中的应用", 《食品研究与开发》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102894074A (en) * 2012-10-08 2013-01-30 南昌大学 Lotus nut color protecting and freshness keeping method
CN103168829A (en) * 2013-04-18 2013-06-26 重庆博智高压科技有限公司 Ultrahigh-pressure preservation method of brasenia schrebei
CN103636743A (en) * 2013-12-25 2014-03-19 长沙理工大学 Refrigeration preservation method of hulled fresh lotus seeds
CN103636743B (en) * 2013-12-25 2016-04-27 长沙理工大学 A kind of cold-storage and fresh-keeping method with the fresh lotus of shell
CN105410589A (en) * 2015-11-26 2016-03-23 杨志强 Method for processing fresh keeping filling at superhigh pressure
CN105941601A (en) * 2016-04-28 2016-09-21 中国农业大学 Method for producing fresh-cut fruits and vegetables by using gas combined with ultra-high pressure technology
CN106136019A (en) * 2016-05-18 2016-11-23 彝良山益宝生物科技有限公司 A kind of preparation method of superhigh pressure fresh-keeping Rhizoma Gastrodiae
CN106333289A (en) * 2016-08-26 2017-01-18 中国农业大学 Non-thermal processing method for Athyrium multidentatum(Doll.) Ching wild vegetable
CN106742371A (en) * 2016-11-22 2017-05-31 解慧勇 A kind of Chinese herbal medicine normal temperature fresh-keeping method
CN107950650A (en) * 2017-12-11 2018-04-24 福建农林大学 A kind of processing method of quick freezed yam
CN109497371A (en) * 2018-11-26 2019-03-22 山西中医药大学 A kind of Wild rose hip juice drink and its production method

Also Published As

Publication number Publication date
CN102630742B (en) 2013-06-05

Similar Documents

Publication Publication Date Title
CN102630742B (en) Ultrahigh-pressure refreshing method for maintaining quality of fresh lotus roots
CN103907845B (en) Processing method of novel nutrition blended cedrela sinensis
CN103082273B (en) Tricholoma matsutake dried product with nutrients and flavor fully preserved, and preparation method thereof
CN102499278A (en) Fresh-keeping technology of microwave enzyme inactivation for leafy vegetables
CN104872564B (en) A kind of production method of non-fried puffing cool humid zone crisp chip
CN104738614B (en) A kind of wolfberry health food and production technology thereof
CN101965860B (en) Method for processing quick-frozen fresh lotus
CN103876202A (en) Method for processing fresh castanea mollissima packaged products
CN103416483A (en) Preservation method for fresh lycium barbarum
CN102273540A (en) Method for preparing xylitol agaricus bisporus preserved fruits
CN101744045A (en) Fresh bamboo shoot coating preservative prepared by edible material
CN101416656A (en) Novel preserving technique of lichi, asparagus
CN104273215A (en) Processing method for keeping Chinese yam fresh
CN103315241A (en) Preparation method of canned pear in syrup
CN102177953B (en) Method for processing lotus seed products
CN103636743B (en) A kind of cold-storage and fresh-keeping method with the fresh lotus of shell
CN101919440B (en) Natural preserving agent of day lilies, preparation method and application method thereof
CN103564420B (en) A kind of production technology of canned mushroom
CN103636773B (en) Preservation and freshness-keeping method for winter jujubes
CN102058105B (en) Method for improving and conditioning quality of spiced duck tongues
CN107912736A (en) A kind of Chinese yam dewatering
CN101006801A (en) Preparation methods of bambusa oldhami shoot with soft package
CN102415439A (en) Method for preserving red date by coating
CN104920928A (en) Strawberry jam and making method thereof
CN104542911A (en) Method for combined drying of green peppers

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant