CN104886229B - A kind of cold-storage and fresh-keeping method of the salicylic acid combination ozone treatment with bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami - Google Patents
A kind of cold-storage and fresh-keeping method of the salicylic acid combination ozone treatment with bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami Download PDFInfo
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- CN104886229B CN104886229B CN201510186834.0A CN201510186834A CN104886229B CN 104886229 B CN104886229 B CN 104886229B CN 201510186834 A CN201510186834 A CN 201510186834A CN 104886229 B CN104886229 B CN 104886229B
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- dendrocalamopsis oldhami
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Abstract
The present invention relates to the fresh-keeping methods of Dendrocalamopsis oldhami, belong to vegetable fresh-keeping processing technology field, it is desirable to provide a kind of cold-storage and fresh-keeping method of the salicylic acid combination ozone immersion treatment with bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami.Its technological process is：Dendrocalamopsis oldhami → adopt rear gradient precooling → cleaning finishing → immersion treatment → cold wind drying → constant refrigeration.Salicylic acid combination ozone immersion treatment Dendrocalamopsis oldhami of the present invention slows down advancing the speed for Dendrocalamopsis oldhami lignin, reduces the consumption scattered and disappeared, reduce nutritional quality of Dendrocalamopsis oldhami moisture, ensure that the cold storage of Dendrocalamopsis oldhami long period can keep higher edible rate.And the present invention method is easy to operate, safety and environmental protection, input are low, be a kind of very practical green bamboo keeping method for fresh bamboo shoot.
Description
Technical field
The invention belongs to vegetable fresh-keeping processing technology fields, are related to a kind of vegetables（Bamboo shoots）Preservation, preservation method.
Background technology
Dendrocalamopsis oldhami（Dendrocalamopsis oldhami）Belong to grass family（Gramineae）Green bamboo category
（Dendrocalamopsis）, bamboo shoot likeness in form horseshoe, also known as ' bambusa lapidea shoots ', bamboo shoot meat is tender and crisp, fresh and sweet tasty, is good in edible bamboo shoots
Product.Green bamboo is distributed mainly on the provinces and regions such as Zhejiang Province, China, Fujian and Taiwan, goes out bamboo shoot and concentrates on the 6-9 months, the bamboo shoot phase with thunder bamboo and mao bamboon
It is staggered, the market advantage is unique.But Dendrocalamopsis oldhami harvesting section is big, easily wood fibre, brown stain, rotten and change are bitter after adopting, and lead to
Usually flavor starts to change after 5 h of the lower 4- of temperature, and freshness date is only 1 day；The lower freshness date of refrigeration about 7 days, significantly limits
The selling market radius of fresh bamboo shoot can not fully realize the economic value of product and seriously restrict the production and development of industry.
The fresh-keeping problem of Dendrocalamopsis oldhami attracts attention since the 1990s.However, the preservation technology of current practical
It is actually rare.Have some research reports in relation to Dendrocalamopsis oldhami post-harvest fresh-keeping technology in recent years.It was found that using sodium sulfite+konjaku Portugal
Sweet glycan and chitosan coating, bad hematic acid+cysteine+citric acid+carboxymethyl cellulose film, and store with low temperature or controlled atmosphere
It hides the method being combined and can inhibit bamboo shoot body respiration, reduce weight-loss ratio, inhibit progression of fibrosis, slow down the oxidizing brown stain of bamboo shoot body
And microorganism invasion, so as to extend Dendrocalamopsis oldhami shelf-life.Exist using the fresh Dendrocalamopsis oldhami of microwave treatment, and with reference to bio-preservative
2 ~ 5 DEG C of refrigerations, appearance, smell, color and luster and the mouthfeel of 12-15 days post processing bamboo shoot do not have difference with new fresh bamboo shoots.Dendrocalamopsis oldhami passes through
It is stored under low temperature (2~3 DEG C) after microwave treatment and still has within 8 days preferable edible quality, but microwave treatment Dendrocalamopsis oldhami holds
Easily there is appearance, smell, color and luster and mouthfeel that heating is cooked symptom and changes bamboo shoot meat, when selecting suitable microwave intensity and effect
Between it is of crucial importance.In addition, under 2~5 DEG C of holding conditions, Dendrocalamopsis oldhami base portion 1cm is dipped in the container containing nutrient solution and every 1
Its watering 1 time, Dendrocalamopsis oldhami freshness date can extend about 30 days.Our research indicate that oxalic acid combination controlled atmosphere processing can significantly extend it is green
The storage period of bamboo shoots cryopreservation keeps raw product quality.Currently, it is easier, economic and practical, safe and effective based on operating
Principle, it is still particularly significant to carry on Dendrocalamopsis oldhami post-harvest fresh-keeping new method.
Invention content
The main purpose of the present invention is to provide a kind of salicylic acid combination soak with ozone solution to handle the fresh-keeping side with bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami
Method.Specific technical solution is as follows：
A kind of salicylic acid combination ozone treatment band bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami cold-storage and fresh-keeping method, technological process are：Harvest green bamboo
Bamboo shoot → adopt rear gradient precooling → cleaning finishing → immersion treatment → cold wind drying → freezer constant temperature storage.
Further, Dendrocalamopsis oldhami is selecting fine morning 5:30-8:30 adopt, and avoid the temperature mistake of bamboo shoots in itself
It is high；Harvesting is placed on 20 ± 1 DEG C, places 5 h in the environment of RH 85-90%, achievees the effect that lost field heat, then be transferred to
15 ± 1 DEG C, RH 85-90% 5 h of placement, reach gradient cooling.
Further, the cleaning finishing refers to：It is clear with 15 ± 1 DEG C of clear water in the environment of 15 ± 1 DEG C, RH 85-90%
Horse bamboo shoot surface soil is washed, inedible part is cut, and bamboo shoots are put and are drained away the water on the top of the shelf with knife.
Further, the immersion treatment refers to：The band bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami that cleaning trims is put into containing 1 2mmol/L
It is impregnated 10 minutes in salicylic acid and 0.5 2mg/L ozone water solutions；
Further, the cold wind drying refers to：Soaking treated bamboo shoots pendulum is transferred to 4 ± 1 on the top of the shelf
DEG C, dried up with 4 ± 1 DEG C of cold wind in the freezer of RH 85-90%.
Further, the freezer constant temperature storage refers to：Dendrocalamopsis oldhami after cold wind is dried up is packed into 1 by 45 bamboo shoot
In polyethylene plastic bag (0.02 ~ 0.04 mm thick, 30cm × 25cm), bag open-ended is subsequently placed in 4 ± 1 DEG C, RH 85-90%
It is stored on stent in freezer.
The present invention can effectively prevent dehydration and the lignifying of Dendrocalamopsis oldhami, so as to effectively extend the freshness date of Dendrocalamopsis oldhami, protect
The quality and quality of product are hindered.
Description of the drawings
Fig. 1 is variation diagram of the present invention processing Dendrocalamopsis oldhami in storage period weight-loss ratio；
Fig. 2 is present invention processing Dendrocalamopsis oldhami in storage period content of lignin variation diagram；
Fig. 3 is that edible rate of the present invention processing Dendrocalamopsis oldhami after 20 days storage periods compares figure.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Cold-storage and fresh-keeping method of the salicylic acid combination ozone treatment with bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami of the present invention, includes the following steps：
1. the harvesting of Dendrocalamopsis oldhami
Select the morning 5 of fine day:30-8:30 adopt bamboo shoot, choose the native no disease and pests harm of just dew, the tender tips of bamboo shoot without dark green bamboo shoots, bamboo shoot
Body is without deformity, not damaged, fresh tender bamboo shoot.Size is selected 350The Dendrocalamopsis oldhami of 5g, bamboo shoot length and base diameter are basically identical.
2. adopt rear gradient precooling
The bamboo shoots adopted are positioned over and are placed in 20 ± 1 DEG C, place 5h in the environment of RH85-90%, reach lost field heat
Effect, then 15 ± 1 DEG C, RH 85-90% 5 h of placement are transferred to, reach gradient cooling, ensure the fresh-keeping effect of Dendrocalamopsis oldhami.
3. the cleaning trimming of Dendrocalamopsis oldhami
Under 15 ± 1 DEG C, RH 85-90% environment, the soil on Dendrocalamopsis oldhami surface is washed with 15 ± 1 DEG C of clear water, is cut not with knife
Edible part emphasizes that Dendrocalamopsis oldhami section is smooth, and bamboo shoots are put and are drained away the water on the top of the shelf；
4. the immersion treatment of Dendrocalamopsis oldhami and drying surface moisture
Cleaning is trimmed into bamboo shoot and is divided into 4 groups, every group of each 90 Dendrocalamopsis oldhami is respectively put into clear water（Control）, 2 mmol/L water
It is impregnated 10 minutes in poplar acid, 2mg/L Ozone Waters, the solution containing 2 mmol/L salicylic acids and 2mg/L ozone.Again respectively by 4 groups of leachings
Bamboo shoots pendulum after bubble transfers to 4 ± 1 DEG C, the cold wind drying in the freezer of RH 85-90% with 4 ± 1 DEG C on the top of the shelf.
5. freezer constant temperature stores Dendrocalamopsis oldhami
The every 45 loadings 30cm × 25cm of 4 groups of Dendrocalamopsis oldhamis that cold wind is dried up respectively, the vinyon of 0.04 mm thickness
In bag, bag open-ended is put in 4 ± 1 DEG C, stores on the stent in the freezer of RH 85-90%, and Storage Format is frame Tibetan.
6. Dendrocalamopsis oldhami storage fresh-keeping effect
Such as Fig. 1,2,3, shown in table 1, weight-loss ratio, content of lignin, Soluble adhesion molecule, edible rate are evaluation bamboo shoots
The index of fresh-keeping effect and edible quality.Had using salicylic acid combination ozone treatment for Dendrocalamopsis oldhami weight-loss ratio and lignifying aobvious
Ground inhibition is write, while maintains bamboo shoots Dendrocalamopsis oldhami that there is higher Soluble adhesion molecule.Weightlessness when Dendrocalamopsis oldhami refrigerates 20 days
Rate is handled than independent immersion（Control）About 5% is reduced, edible rate improves 22% or so, and fresh-keeping effect is notable.
The variation of the lower Soluble adhesion molecule of 4 DEG C of storages of Dendrocalamopsis oldhami after 1 different disposal of table（%）.
Claims (5)
1. a kind of salicylic acid combination ozone treatment band bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami cold-storage and fresh-keeping method, technological process are：Harvest Dendrocalamopsis oldhami
→ adopt rear gradient precooling → cleaning finishing → immersion treatment → cold wind drying → freezer constant temperature storage；The immersion treatment refers to：
The band bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami that cleaning trims is put into the salicylic acid containing 1 2mmol/L and 0.5 2mg/L ozone water solutions and is soaked
Bubble 10 minutes.
2. salicylic acid combination ozone treatment band bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami cold-storage and fresh-keeping method as described in claim 1, it is characterised in that：
Dendrocalamopsis oldhami is selecting fine morning 5:30-8:30 harvestings, avoid the temperature of bamboo shoots in itself excessively high；Harvesting is placed on 20 ±
1 DEG C, place 5 h in the environment of RH 85-90%, achieve the effect that lost field heat, then be transferred to 15 ± 1 DEG C, RH 85-90%
5 h are placed, reach gradient cooling.
3. salicylic acid combination ozone treatment band bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami cold-storage and fresh-keeping method as described in claim 1, it is characterised in that：
The cleaning finishing refers to：In the environment of 15 ± 1 DEG C, RH 85-90%, Dendrocalamopsis oldhami surface soil is cleaned with 15 ± 1 DEG C of clear water,
Inedible part is cut, and bamboo shoots are put and are drained away the water on the top of the shelf with knife.
4. salicylic acid combination ozone treatment band bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami cold-storage and fresh-keeping method as described in claim 1, it is characterised in that：
The cold wind drying refers to：Soaking treated bamboo shoots pendulum is transferred into 4 ± 1 DEG C, the freezer of RH 85-90% on the top of the shelf
It is middle to be dried up with 4 ± 1 DEG C of cold wind.
5. salicylic acid combination ozone treatment band bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami cold-storage and fresh-keeping method as described in claim 1, it is characterised in that：
The freezer constant temperature storage refers to：Dendrocalamopsis oldhami after cold wind is dried up is packed into 1 0.02 ~ 0.04 mm thickness by 45 bamboo shoot,
In the polyethylene plastic bag of 30cm × 25cm sizes, bag open-ended is subsequently placed in 4 ± 1 DEG C, the branch in the freezer of RH 85-90%
It is stored on frame.
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| CN201510186834.0A CN104886229B (en) | 2015-04-20 | 2015-04-20 | A kind of cold-storage and fresh-keeping method of the salicylic acid combination ozone treatment with bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami |
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| CN201510186834.0A CN104886229B (en) | 2015-04-20 | 2015-04-20 | A kind of cold-storage and fresh-keeping method of the salicylic acid combination ozone treatment with bamboo shoot sheaths of bamboo shoots Dendrocalamopsis oldhami |
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| CN104886229B true CN104886229B (en) | 2018-07-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105638864A (en) * | 2015-12-31 | 2016-06-08 | 浙江农业商贸职业学院 | Preservation method of phyllostachys heterocycla shoots with shells through combination of Chinese liquor treatment and low-temperature treatment |
| CN107156282A (en) * | 2017-05-10 | 2017-09-15 | 盐城工学院 | A kind of eggplant and the processing method for improving eggplant cold resistance |
| CN106942357A (en) * | 2017-05-10 | 2017-07-14 | 盐城工学院 | A kind of processing method of eggplant and raising eggplant fresh-keeping effect |
| CN107343529A (en) * | 2017-07-11 | 2017-11-14 | 贵州省苑博生态农业开发有限公司 | A kind of Kiwi berry cold preserving method and preservation method |
| CN108157491A (en) * | 2018-01-31 | 2018-06-15 | 浙江省亚热带作物研究所 | A kind of green bamboo keeping method for fresh bamboo shoot |
| CN109006984A (en) * | 2018-08-08 | 2018-12-18 | 屏山县菜多多食品有限公司 | A kind of selenium-rich bamboo shoots food-processing method |
| CN111053108A (en) * | 2019-10-30 | 2020-04-24 | 国家林业和草原局竹子研究开发中心 | Bamboo shoot preservation method for inhibiting damage of postharvest active oxygen |
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| CN104026219A (en) * | 2014-06-13 | 2014-09-10 | 浙江工商大学 | Method for freezing and freshening dendrocalamopsis oldhami with bamboo shoot sheath by combination of oxalic acid and controlled atmosphere treatment |
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Patent Citations (5)
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| CN1726789A (en) * | 2005-07-21 | 2006-02-01 | 浙江大学 | Composite antistaling agent for restraining lignification of bamboo shoot, and method of use |
| CN101390532A (en) * | 2008-08-07 | 2009-03-25 | 赵逸平 | Production method of quick-frozen bamboo shoot |
| CN102415440A (en) * | 2011-12-13 | 2012-04-18 | 西南大学 | Bamboo shoot preservative and application thereof |
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| CN104026219A (en) * | 2014-06-13 | 2014-09-10 | 浙江工商大学 | Method for freezing and freshening dendrocalamopsis oldhami with bamboo shoot sheath by combination of oxalic acid and controlled atmosphere treatment |
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Inventor after: Zheng Xiaolin Inventor after: Zhao Yuying Inventor after: Yang Ying Inventor after: Bai Ruihua Inventor after: Li Kaibin Inventor before: Zheng Xiaolin Inventor before: Zhao Yuying Inventor before: Yang Ying Inventor before: Bai Ruihua |
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Effective date of registration: 20160512 Address after: Hangzhou City, Zhejiang province 310018 Xiasha Higher Education Park is 18 street. Applicant after: Zhejiang Gongshang University Applicant after: Pingyang County Kai bin Agricultural Products Co., Ltd. Address before: Hangzhou City, Zhejiang province 310018 Xiasha Higher Education Park is 18 street. Applicant before: Zhejiang Gongshang University |
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