CN104798874A - Preservation method for picked apples - Google Patents
Preservation method for picked apples Download PDFInfo
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- CN104798874A CN104798874A CN201510170176.6A CN201510170176A CN104798874A CN 104798874 A CN104798874 A CN 104798874A CN 201510170176 A CN201510170176 A CN 201510170176A CN 104798874 A CN104798874 A CN 104798874A
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Abstract
The invention provides a preservation method for picked apples, relates to the field of fruit storage and aims to overcome defects in the prior art. The method comprises steps as follows: (1) apples which are regular in shape and consistent in maturity are selected and placed in a plastic box; (2) 40 mg/L of a ClO2 solution is evenly sprayed on surfaces of the apples with a spraying method, and the apples are aired at the normal temperature; (3) the treated apples are stored at the low temperature. With the adoption of the method, the number of bacterial colonies on the surfaces of the apples can be significantly reduced, the rotting rate is reduced, the apple hardness can be increased, and the preservation effect is realized.
Description
Technical field
The present invention relates to fruit storage field.
Background technology
' Fuji apple ' has become the principal item of China's Apple Culture at present.Wei Bei loess plateau is the best Suitable Area of China's apple.' Fuji apple ' gather after the hardness of fruit comparatively large, dehydration is comparatively slow, when before adopting without weather conditions exception, the physiological disease in general storage, as the harm such as Scald, bitter pit, water core comparatively gently, be considered to very long keeping Fruit types.But the fungal diseases such as Fuji apple easy infection ring spot, dry rot, mould worry, gray mold, penicilliosis, cause huge economic loss.Fruit is being gathered and packaging, transport, storage until subject to damage in the operating process in consumer's hand after adopting, and mechanical damage is that the invasion of fungi opens convenience, causes fruit rot to increase the weight of, causes the heavy losses of anaphase storage fruit.
Summary of the invention
The object of the invention is, for the above deficiency existed, to provide a kind of apple to adopt rear anti-rot and fresh-keeping method.
The invention provides a kind of apple and adopt rear anti-rot and fresh-keeping method, realized by following steps:
(1) fruit shape is selected to rectify, the fruit that maturity is consistent;
(2) by ClO
2dissolution homogeneity sprays in fruit surface, and normal temperature dries;
(3) by the fruit deepfreeze after process.
Described ClO
2solution concentration is 40mg/L.
Described ClO
2solution is described ClO
2clO in solution
240mg/L, containing activator citric acid 0.2%(mass fraction), containing spreader-sticker Tween-20 0.05%(volume fraction).
Spray process is adopted in described step (2).
The present invention has following beneficial effect:
The method can significantly remove fruit surface bacterium colony, favorable anti-corrosion effect, and after process, the storage hardness of fruit keeps.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1:
Carry out 4 groups of process, process I, II, III, IV corresponding ClO
2concentration (active ingredient) be respectively 0 mg/L(contrast), 20mg/L, 40mg/L, 60mg/L.Treatment Solution ClO
2after stoste and activator (2% citric acid) dissolve with 10:1, the Tween-20 adding 0.05% is spreader-sticker, formulated with distilled water constant volume, contrast with 0.05% Tween-20 and distilled water formulated.ClO
2stoste is purchased from Xi'an Wei Lv Environmental Protection Technology Co., Ltd, and concentration is 2g/L.
Experimental cultivar be " Fuji apple " (
malusdomesticaborkh. ' Red Fuji '), the farmers' orchard in Luochuan, Shaanxi Province is picked up from October 15th, 2013.
Select and be of moderate size, color and luster is close, and without disease and pest, fruit shape is rectified, and the fruit that maturity is consistent, selects 200 fruits at every turn, contain in plastic box, select 4 groups altogether.By prepare I, II, III, IV solution evenly sprays the fruit face in 4 groups of fruits with sprayer respectively, until make all fruit faces spraying evenly (unnecessary solution is gone out by case underflow), dry under normal temperature, each repetition of above-mentioned process 3 times.
The fruit processed above being packaged in perforate degree is 0.5%, and thickness is in the freshness protection package of 0.03 mm, and being stored in relative humidity is 85% ~ 90%, temperature is in the freezer of (0 ± 1) DEG C, preserves outbound in 180 days, measures index of correlation, repeat 3 times, average.
ClO is not sprayed to adopting rear apple
2with spray variable concentrations ClO
2carry out total plate count mensuration.
The same day was got fruit (8 fruits are got in each process, repeat 3 times) in process respectively from untreated fruit and each process, evenly got pericarp (0.1 ~ 0.5 mm is thick), for measuring the total plate count of fruit surface.Carry out with reference to GB/T4789.2-2008 " microbiological test of food hygiene ".Fruit bacterium colony content × 100 before bacterium colony clearance rate (%)=(before process the rear fruit bacterium colony content of fruit bacterium colony content-process)/process.Obtain adopting rear variable concentrations ClO
2the settlement clearance of spray process to apple surface, in table 1
Table 1
Note: different lowercase representative Duncan ' s duncan's new multiple range method inspection,
pin < 0.05 level, there were significant differences.
Different disposal result shows, ClO
2process all to Apple bacterium colony clearance have remarkable result (
p<0.05), fruit surface colony counts can greatly be reduced.
Apple through storage in 180 days is carried out quality determination, and its result is as shown in table 2.
Table 2
Note: different lowercase representative Duncan ' s duncan's new multiple range method inspection,
pin < 0.05 level, there were significant differences.
Result shows, ClO
2after process, the hardness of fruit is good, and the fruit quality after process is better than directly carries out chilling treatment by fruit, and wherein the effect of 40mg/L and 60mg/L is best.
Measure During Cold Storage fruit rot and dehydration, result is as shown in table 3, weight × 100 during weight-loss ratio (%)=(during warehouse-in during weight-outbound weight)/warehouse-in, rotting rate (%)=(fruit number/statistics of rotting really number) × 100; Healthy fruit (%)=(intact fruit number/add up total fruit number) × 100.
Table 3
Note: different lowercase representative Duncan ' s duncan's new multiple range method inspection,
pin < 0.05 level, there were significant differences.
Result shows, ClO
2after process, fruit rotting rate is low, and healthy fruit is high, and wherein the rotting rate of 60mg/L is minimum, but weight-loss ratio is higher than 40mg/L's.
Above content is the further description done the present invention in conjunction with concrete embodiment, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. a rear anti-rot and fresh-keeping method adopted by apple, it is characterized in that being realized by following steps:
(1) fruit shape is selected to rectify, the fruit that maturity is consistent;
(2) by ClO
2dissolution homogeneity sprays in fruit surface, and normal temperature dries;
(3) by the fruit deepfreeze after process.
2. rear anti-rot and fresh-keeping method adopted by apple as claimed in claim 1, it is characterized in that: described ClO
2solution concentration is 40mg/L.
3. rear anti-rot and fresh-keeping method adopted by apple as claimed in claim 1 or 2, it is characterized in that: described ClO
2clO in solution
240mg/L, containing activator citric acid 0.2%(mass fraction), containing spreader-sticker Tween-20 0.05%(volume fraction).
4. rear anti-rot and fresh-keeping method adopted by apple as claimed in claim 3, it is characterized in that: adopt spray process in described step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170176.6A CN104798874A (en) | 2015-04-13 | 2015-04-13 | Preservation method for picked apples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170176.6A CN104798874A (en) | 2015-04-13 | 2015-04-13 | Preservation method for picked apples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104798874A true CN104798874A (en) | 2015-07-29 |
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ID=53684434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510170176.6A Pending CN104798874A (en) | 2015-04-13 | 2015-04-13 | Preservation method for picked apples |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417582A (en) * | 2016-08-31 | 2017-02-22 | 铜陵新梦想农牧科技有限公司 | Rapid preservation method for apples |
| RU2689649C1 (en) * | 2018-08-15 | 2019-05-28 | Федеральное государственное бюджетное научное учреждение "Северо-Кавказский федеральный научный центр садоводства, виноградарства, виноделия" (ФГБНУ СКФНЦСВВ) | Biological preparation for protecting apples from phytopathogenic microorganisms during storage |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104413142A (en) * | 2013-09-02 | 2015-03-18 | 葛文爱 | Controlled freezing point refrigeration and preservation method of red Fuji apples |
-
2015
- 2015-04-13 CN CN201510170176.6A patent/CN104798874A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104413142A (en) * | 2013-09-02 | 2015-03-18 | 葛文爱 | Controlled freezing point refrigeration and preservation method of red Fuji apples |
Non-Patent Citations (4)
| Title |
|---|
| 赵明慧，等: "二氧化氯对机械损伤苹果的防腐保鲜效果", 《西北农林科技大学学报(自然科学版)》 * |
| 赵明慧，等: "二氧化氯采前处理对红富士苹果的保鲜", 《食品科学》 * |
| 赵明慧，等: "红富士苹果采后二氧化氯处理的保鲜作用", 《果树学报》 * |
| 赵明慧: "二氧化氯在红富士苹果上的保鲜效果研究", 《中国优秀硕士学位论文农业科技辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417582A (en) * | 2016-08-31 | 2017-02-22 | 铜陵新梦想农牧科技有限公司 | Rapid preservation method for apples |
| RU2689649C1 (en) * | 2018-08-15 | 2019-05-28 | Федеральное государственное бюджетное научное учреждение "Северо-Кавказский федеральный научный центр садоводства, виноградарства, виноделия" (ФГБНУ СКФНЦСВВ) | Biological preparation for protecting apples from phytopathogenic microorganisms during storage |
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Application publication date: 20150729 |