CN107372810A - Eliminate or mitigate the method and composition of methyl bromide fumigation citrus fruit poisoning - Google Patents
Eliminate or mitigate the method and composition of methyl bromide fumigation citrus fruit poisoning Download PDFInfo
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- CN107372810A CN107372810A CN201710584221.1A CN201710584221A CN107372810A CN 107372810 A CN107372810 A CN 107372810A CN 201710584221 A CN201710584221 A CN 201710584221A CN 107372810 A CN107372810 A CN 107372810A
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- acid
- aqueous solution
- dehydroactic
- mass concentration
- citrus fruit
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- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical group BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 235000020971 citrus fruits Nutrition 0.000 title claims abstract description 47
- 238000003958 fumigation Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 32
- 229940102396 methyl bromide Drugs 0.000 title claims abstract description 32
- 231100000572 poisoning Toxicity 0.000 title claims abstract description 30
- 230000000607 poisoning effect Effects 0.000 title claims abstract description 30
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000002253 acid Substances 0.000 claims abstract description 71
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 66
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 66
- 239000011734 sodium Substances 0.000 claims abstract description 66
- 239000007864 aqueous solution Substances 0.000 claims abstract description 62
- 235000013985 cinnamic acid Nutrition 0.000 claims abstract description 59
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 claims abstract description 59
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 claims abstract description 56
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 claims abstract description 56
- 229930016911 cinnamic acid Natural products 0.000 claims abstract description 56
- 238000011282 treatment Methods 0.000 claims abstract description 52
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229960004889 salicylic acid Drugs 0.000 claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 25
- 238000004018 waxing Methods 0.000 claims abstract description 24
- 238000007654 immersion Methods 0.000 claims abstract description 22
- 230000000116 mitigating effect Effects 0.000 claims abstract description 6
- 241000207199 Citrus Species 0.000 claims description 9
- 235000013399 edible fruits Nutrition 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 240000002319 Citrus sinensis Species 0.000 claims description 3
- 235000005976 Citrus sinensis Nutrition 0.000 claims description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 3
- 235000017281 sodium acetate Nutrition 0.000 claims description 3
- 239000001632 sodium acetate Substances 0.000 claims description 3
- 241000675108 Citrus tangerina Species 0.000 claims 1
- 238000002791 soaking Methods 0.000 abstract description 19
- 231100000989 no adverse effect Toxicity 0.000 abstract description 2
- 235000015424 sodium Nutrition 0.000 description 53
- 239000001993 wax Substances 0.000 description 41
- 241001672694 Citrus reticulata Species 0.000 description 22
- 239000007788 liquid Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 241000522254 Cassia Species 0.000 description 1
- 240000000203 Salix gracilistyla Species 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
- A23B7/154—Organic compounds; Microorganisms; Enzymes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Microbiology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to the method and composition for eliminating or mitigating methyl bromide fumigation citrus fruit poisoning, this method includes citrus fruit to be fumigated first carrying out immersion treatment, carries out waxing processing after draining again, then the step of progress suffocating treatment；Wherein, the immersion treatment is that citrus fruit to be fumigated is used into the aqueous solution soaking containing salicylic acid and dehydroactic acid sodium；The waxing processing carries out waxing processing for the citrus fruit by immersion treatment and after draining using the wax liquor containing cinnamic acid.The inventive method can effectively suppress poisoning caused by methyl bromide fumigation, and the quality of citrus fruit is had no adverse effect, and post-processing program can be adopted with citrus fruit and is agreed with, the application prospect having had in citrus fruit is exported.
Description
Technical field
The present invention relates to the method and composition for eliminating or mitigating methyl bromide fumigation fruit poisoning, more particularly to eliminate or subtract
The method and composition of light methyl bromide fumigation citrus fruit poisoning, belongs to quarantining treatment field.
Background technology
Citrus fruit is one of the main product fruit in China, and export capacity is huge.But China citrus main producing region is real with China
The harmful organism such as fly, tetranychid generation area is overlapping, and the main citrus importer such as the U.S., Australia is to prevent harmful organism with mandarin orange
The cross-border propagation of tangerine fruit, common demands China citrus quarantine before outlet are handled, and kill the trypetid that may wherein carry, leaf
The harmful organisms such as mite.
At present, the quarantining treatment measure passed through in the world is methyl bromide fumigation, and the harmful organisms such as trypetid, tetranychid are fumigated
Technical indicator is generally：More than 15 DEG C, 40g/m is used3Methyl bromide fumigation 3h.In order to verify influence of the bromomethane to citrus,
The present invention has carried out following experiment：
The fresh ugly tangerine that market is purchased at 20 DEG C, uses 40g/m respectively3Methyl bromide fumigation 3h, after dissipating gas 2h, 5 DEG C
Refrigeration assesses Shelf-life Quality under 3 weeks, then the room temperature condition of 20~25 DEG C of dislocation, using the ugly tangerine without suffocating treatment as control.
Ugly tangerine sum amounts to 72, wherein respectively being entered at each time point using the ugly tangerine of 6 suffocating treatment groups and 6 ugly tangerines of control group
Row Quality Detection.
Diagonal pulp is taken, peeling, core, squeezes into juice.Pure juice is taken to determine its solubility with GMK-701R saccharometers
Sugar.It is repeated three times；
Pure juice 0.3ml is taken to determine its acidity with GMK-855 with after 30ml distilled water dilutings.It is repeated three times；
Take pulp to thinly slice, after being rinsed using distilled water, be placed in per the ugly tangerine pulp of 1.5g in 50ml distilled water, room temperature 25
DEG C immersion 2h after, using DDS-307 type electric conductivities instrument determine electrical conductivity, boil 30min afterwards, determined again after being cooled to 25 DEG C
Electrical conductivity, electrical conductivity × 100% of relative conductivity (%)=first time electrical conductivity/after boiling, each sample replication 3
It is secondary.
Acquired results are as shown in table 1：
The methyl bromide fumigation of table 1 is to adopting the influence of rear ugly tangerine quality
Note：Asterisk (*), which represents, significant difference (p<0.05)
The result of upper table 1 shows, compared with the ugly tangerine without suffocating treatment, during refrigeration, and the pol of ugly tangerine, acid after fumigating
The index of quality such as degree are without significant changes, but relative conductivity dramatically increases, and shows that methyl bromide fumigation can significantly affect flesh cell
The permeability of film, ugly tangerine cell membrane is caused necessarily to damage.After returning to room temperature, the ugly tangerine without suffocating treatment rots after 12 days
Rate only less than 5%, but it is stifling after ugly tangerine rotting rate after 3 days just reach 80%, all rotted after 12 days.From above-mentioned knot
Fruit can be seen that the ugly mandarin orange of citrus fruit, navel orange etc. are more sensitive to methyl bromide fumigation, can cause reduced shelf-life after stifling, sternly
Commercial value is lost again.
Because there is presently no economically viable methyl bromide fumigation substitute technology, therefore, this area needs exploitation and bromine first badly
Alkane fumigates supporting technology, eliminates or mitigates poisoning of the citrus fruit after methyl bromide fumigation, ensures China's citrus fruit
Smoothly outlet.
The content of the invention
To achieve the above object, an object of the present invention is to develop a kind of elimination or mitigates methyl bromide fumigation citrus
The method of fruit poisoning, so that this method can effectively mitigate methyl bromide fumigation citrus fruit poisoning.
Another object of the present invention is to provide the composition available for the above method, so that more preferable more easily application should
Method.
To achieve the above object, on the one hand, the present invention provides a kind of elimination or mitigates methyl bromide fumigation citrus fruit medicine
Harmful method, this method include citrus fruit to be fumigated first carrying out immersion treatment, carry out waxing processing after draining again, then
The step of suffocating treatment is carried out after draining；
Wherein, the immersion treatment be citrus fruit to be fumigated is used it is water-soluble containing salicylic acid and dehydroactic acid sodium
Liquid soaks；
The waxing processing is beaten for the citrus fruit by immersion treatment and after draining using the wax liquor containing cinnamic acid
Wax.
Citrus fruit of the present invention includes the one or more in ugly tangerine, navel orange and sugar orange.
Experiments indicate that using foregoing soak will be to be fumigated after citrus fruit first carry out immersion treatment, drain
Waxing processing is carried out using foregoing wax liquor again afterwards, methyl bromide fumigation can effectively be suppressed, eliminates or mitigate by then carrying out suffocating treatment
Citrus fruit poisoning, compared to the immersion treatment for individually using the salicylated aqueous solution, the aqueous solution containing dehydroactic acid sodium
And waxing processing is carried out using the wax liquor containing cinnamic acid, method of the invention has significant synergies.
Present invention waxing processing is adopted in fruit and more commonly used in post-processing, and food-grade fruit wax can directly be bought, at normal temperatures
For liquid, operationally, cinnamic acid directly is diluted to prescribed concentration with wax liquor, citrusfruit is directly then immersed into wax liquor, taken
Drained after going out.
An embodiment as the above method, it is preferable that the aqueous solution containing salicylic acid and dehydroactic acid sodium
In salicylic mass concentration be 1.0mg/ml~4.0mg/ml；It is preferred that 2.0mg/ml~4.0mg/ml.
An embodiment as the above method, it is preferable that the aqueous solution containing salicylic acid and dehydroactic acid sodium
The mass concentration of middle dehydroactic acid sodium is 0.75mg/ml~3mg/ml；It is preferred that 1.5mg/ml~3mg/ml.
An embodiment as the above method, it is preferable that the quality of cinnamic acid in the wax liquor containing cinnamic acid
Concentration is 0.125g/L~0.5g/L；Preferably 0.25g/L~0.5g/L.
Outer without mutually contradicting, the technology of the present invention feature can be mutually combined to obtain superior technique effect.Such as described contain
Salicylic mass concentration is 1.0mg/ml~4.0mg/ml in salicylic acid and the aqueous solution of dehydroactic acid sodium；It is described to contain salicylic acid
And in the aqueous solution of dehydroactic acid sodium dehydroactic acid sodium mass concentration 0.75mg/ml~3mg/ml；The wax containing cinnamic acid
The mass concentration of cinnamic acid is 0.25g/L~0.5g/L in liquid.
Again in for example described aqueous solution containing salicylic acid and dehydroactic acid sodium salicylic mass concentration be 1.0mg/ml~
4.0mg/ml；Mass concentration 1.5mg/ml~3mg/ of dehydroactic acid sodium in the aqueous solution containing salicylic acid and dehydroactic acid sodium
ml；The mass concentration of cinnamic acid is 0.125g/L~0.5g/L in the wax liquor containing cinnamic acid.
In another example in the aqueous solution containing salicylic acid and dehydroactic acid sodium salicylic mass concentration be 1.0mg/ml~
4.0mg/ml；Mass concentration 1.5mg/ml~3mg/ of dehydroactic acid sodium in the aqueous solution containing salicylic acid and dehydroactic acid sodium
ml；The mass concentration of cinnamic acid is 0.25g/L~0.5g/L in the wax liquor containing cinnamic acid.
In another example in the aqueous solution containing salicylic acid and dehydroactic acid sodium salicylic mass concentration be 2.0mg/ml~
4.0mg/ml；The mass concentration 0.75mg/ml of dehydroactic acid sodium in the aqueous solution containing salicylic acid and dehydroactic acid sodium~
3mg/ml；The mass concentration of cinnamic acid is 0.125g/L~0.5g/L in the wax liquor containing cinnamic acid.
In another example in the aqueous solution containing salicylic acid and dehydroactic acid sodium salicylic mass concentration be 2.0mg/ml~
4.0mg/ml；The mass concentration 0.75mg/ml of dehydroactic acid sodium in the aqueous solution containing salicylic acid and dehydroactic acid sodium~
3mg/ml；The mass concentration of cinnamic acid is 0.25g/L~0.5g/L in the wax liquor containing cinnamic acid.
In another example in the aqueous solution containing salicylic acid and dehydroactic acid sodium salicylic mass concentration be 2.0mg/ml~
4.0mg/ml；Mass concentration 1.5mg/ml~3mg/ of dehydroactic acid sodium in the aqueous solution containing salicylic acid and dehydroactic acid sodium
ml；The mass concentration of cinnamic acid is 0.125g/L~0.5g/L in the wax liquor containing cinnamic acid.
It is highly preferred that salicylic mass concentration is 2.0mg/ml in the aqueous solution containing salicylic acid and dehydroactic acid sodium
~4.0mg/ml；In the aqueous solution containing salicylic acid and dehydroactic acid sodium the mass concentration of dehydroactic acid sodium be 1.5mg/ml~
3mg/ml；The mass concentration of cinnamic acid is 0.25ml/L~0.5ml/L in the wax liquor containing cinnamic acid.Experimental result of the present invention
Show to combine compared to other, the combined effect is more notable, can significantly reduce rotting rate to less than 5%, can fully ensure that
Export the shelf life and commercial quality of citrus fruit.
As an embodiment of the above method, the immersion treatment be 20~25 DEG C of immersion treatments 8~
12min.Preferably, the immersion treatment is in 20~25 DEG C of immersion treatment 10min.
As an embodiment of the above method, the suffocating treatment is in more than 15 DEG C, uses 30~50g/m3
Methyl bromide fumigation 3h；It is preferred that suffocating treatment is in 20~25 DEG C.It is highly preferred that the suffocating treatment is in more than 20 DEG C, use
40g/m32~4h of methyl bromide fumigation.Usually, gas certain time, such as 2h are dissipated after suffocating treatment, then again after chilling treatment
Citrus.
On the other hand, the present invention provides a kind of composition for eliminating or mitigating methyl bromide fumigation citrus fruit poisoning, institute
Stating composition includes the aqueous solution containing salicylic acid and dehydroactic acid sodium and the wax liquor containing cinnamic acid.
Said composition can be applied to preceding method, as product form, said composition can be developed into kit, external member,
Component etc., each component in above-mentioned composition can be placed in the kit, external member or component independently of one another, in concrete application
When, take out corresponding part.
As an embodiment of foregoing, wherein, the aqueous solution containing salicylic acid and dehydroactic acid sodium
In salicylic mass concentration be 1.0mg/ml~4.0mg/ml；It is preferred that 2.0mg/ml~4.0mg/ml；
In the aqueous solution containing salicylic acid and dehydroactic acid sodium the mass concentration of dehydroactic acid sodium be 0.75mg/ml~
3mg/ml；It is preferred that 1.5mg/ml~3mg/ml；And
The mass concentration of cinnamic acid is 0.125g/L~0.5g/L in the wax liquor containing cinnamic acid；Preferably 0.25g/L
~0.5g/L.
It is highly preferred that in the composition, salicylic matter in the aqueous solution containing salicylic acid and dehydroactic acid sodium
Amount concentration is 2.0mg/ml~4.0mg/ml；
In the aqueous solution containing salicylic acid and dehydroactic acid sodium the mass concentration of dehydroactic acid sodium be 1.5mg/ml~
3mg/ml；And
The mass concentration of cinnamic acid is 0.25g/L~0.5g/L in the wax liquor containing cinnamic acid.
In summary, invention broadly provides a kind of method for eliminating or mitigating methyl bromide fumigation citrus fruit poisoning
And composition, using this preprocessor before stifling, it can effectively suppress poisoning caused by methyl bromide fumigation, to citrus
The quality of class fruit is had no adverse effect, and post-processing program can be adopted with citrus fruit and is agreed with, in citrus fruit is exported
With good application prospect.
Embodiment
In order to which technical characteristic, purpose and the beneficial effect of the present invention is more clearly understood, in conjunction with specific implementation
Example and to technical scheme carry out it is described further below, it should be understood that these examples be merely to illustrate the present invention rather than
Limit the scope of the present invention.In embodiment, each Starting reagents material is commercially available, the experimental method of unreceipted actual conditions
For conventional method known to art and normal condition, or according to the condition proposed by apparatus manufacturer.
Embodiment 1：Aqueous solution soaking containing salicylic acid and dehydroactic acid sodium combines the wax liquor waxing processing pair containing cinnamic acid
The influence of bromomethane poisoning
The present embodiment tests the aqueous solution soaking containing salicylic acid and dehydroactic acid sodium and combines the wax liquor waxing containing cinnamic acid
Handle the influence to bromomethane poisoning.I.e. fresh ugly tangerine first uses salicylic acid containing various concentrations and dehydrogenation under the conditions of 20~25 DEG C
The aqueous solution soaking processing 10min of sodium acetate, after draining, reuse and with the addition of the wax liquor of various concentrations cinnamic acid and carry out at waxing
Reason, carries out methyl bromide fumigation, i.e., at 20 DEG C, uses 40g/m again after draining3Methyl bromide fumigation 3h, after dissipating gas 2h, 5 DEG C of refrigerations 3
Rotting rate situation is observed after week, then 20~25 DEG C of dislocation room temperature 6 days, not pre-processed, only carries out the ugly tangerine of suffocating treatment
For control.
Stifling program：Every 6 ugly tangerines are placed in the vacuum glass drier that a volume is 6L, charging ratio about 40%, are released
Put the pure gas of a small amount of bromomethane (De Lin, Dalian) in 1L Tedlar gas sampling bags.Each drier dispensing pure gas of 600ml, is smoked
Steam and terminate to dissipate gas 2h after room temperature.Each processing is independently repeated 3 times.
Acquired results are as shown in table 2, table 3, table 4：
The aqueous solution soaking of the salicylic acid containing various concentrations of table 2 and dehydroactic acid sodium, with reference to the wax of the cinnamic acid containing 0.125ml/L
The inhibition that liquid is waxed to methyl bromide fumigation poisoning
The aqueous solution soaking of the salicylic acid containing various concentrations of table 3 and dehydroactic acid sodium, with reference to the wax of the cinnamic acid containing 0.25ml/L
The inhibition that liquid is waxed to methyl bromide fumigation poisoning
The salicylic acid containing various concentrations of table 4 and dehydroactic acid sodium aqueous solution soaking, beaten with reference to the wax liquor of the cinnamic acid containing 0.5ml/L
Inhibition of the wax to methyl bromide fumigation poisoning
Table 2, table 3, the result of table 4 show, using first carrying out immersion treatment before methyl bromide fumigation, then is waxed, can had
Effect suppresses poisoning of the bromomethane to citrus fruit.As can be seen from the table, relative to the methyl bromide fumigation being described above
Citrus fruit room temperature after 6 days 92% or so rotting rate, immersion treatment is first carried out before methyl bromide fumigation, then carry out waxing can
It is down to rotting rate is minimum 59%, highest can be down to 1%, have significant effect.
To make rotting rate after processing be less than 5%, to ensure to export the shelf life and commercial quality of citrus fruit, according to reality
Room test result is tested, preferably mode is that Determination of Salicylic Acid is 2.0~4.0mg/ml in the aqueous solution, and dehydroactic acid na concn is
1.5~3.0mg/ml, Chinese cassia tree aldehyde concentration is 0.25~0.5ml/L in the wax liquor of waxing.It is highly preferred that the temperature of immersion treatment should
For 20~25 DEG C of room temperature, time 10min.
Comparative example 1：The independent salicylated aqueous solution, the aqueous solution soaking containing dehydroactic acid sodium or the wax liquor containing cinnamic acid
Influence of the waxing processing to bromomethane poisoning
This comparative example tests the independent salicylated aqueous solution, the aqueous solution soaking containing dehydroactic acid sodium or containing cinnamic acid
Influence of the wax liquor waxing processing to bromomethane poisoning.I.e. fresh ugly tangerine first uses various concentrations bigcatkin willow under the conditions of 20~25 DEG C
The aqueous solution of acid or the aqueous solution soaking processing 10min of dehydroactic acid sodium, or use the wax liquor that with the addition of various concentrations cinnamic acid
After carrying out waxing processing, then methyl bromide fumigation is carried out, i.e., at 20 DEG C, use 40g/m3Methyl bromide fumigation 3h, after dissipating gas 2h, 5
DEG C refrigeration 3 weeks, then 20~25 DEG C of dislocation room temperature 6 days after observe rotting rate situation, not pre-processed, only progress suffocating treatment
Citrus for control.Acquired results are as shown in table 5, table 6 and table 7：
Table 5 is individually using influence of the immersion treatment containing aqueous solution of salicylic acid to bromomethane poisoning
| Treatment group | Rotting rate |
| Without pretreatment | 92.0±7.5a |
| 1.0mg/ml salicylic acid | 91.0±8.0a |
| 2.0mg/ml salicylic acid | 90.0±5.5a |
| 4.0mg/ml salicylic acid | 84.5±6.0b |
Note：Different lowercase letters have significant difference (p<0.05)
Table 6 individually handles the influence to bromomethane poisoning using aqueous solution soaking containing dehydroactic acid sodium
| Treatment group | Rotting rate |
| Without pretreatment | 92.0±7.5a |
| 0.75mg/ml dehydroactic acid sodiums | 85.5±6.0b |
| 1.5mg/ml dehydroactic acid sodium | 75.0±7.0c |
| 3.0mg/ml dehydroactic acid sodium | 70.0±5.5d |
Note：Different lowercase letters have significant difference (p<0.05)
Table 7 is individually using influence of the wax liquor waxing processing to bromomethane poisoning containing cinnamic acid
| Treatment group | Rotting rate |
| Without pretreatment | 92.0±7.5a |
| 0.125ml/L cinnamic acids | 88.0±8.0ab |
| 0.25ml/L cinnamic acids | 85.0±6.5bc |
| 0.5ml/L cinnamic acids | 83.5±7.5c |
Note：Different lowercase letters have significant difference (p<0.05)
Table 5, table 6 and the result of table 7 show, relative to without pretreated group, the salicylated aqueous solution are used alone, containing dehydrogenation
The aqueous solution soaking of sodium acetate or the wax liquor waxing containing cinnamic acid, there is certain inhibition to suppressing bromomethane poisoning, but suppress
Effect and unobvious, it is impossible to commercially use.
Aqueous solution soaking of the embodiment of the present invention 1 containing salicylic acid and dehydroactic acid sodium is calculated as follows and combines to use and contains
The wax liquor waxing processing of cinnamic acid is relative to comparative example 1 individually using the salicylated aqueous solution, containing the water-soluble of dehydroactic acid sodium
Liquid soaks or the coefficient of synergism using the wax liquor waxing processing containing cinnamic acid, and acquired results are respectively such as table 8 below, table 9 and the institute of table 10
Show：
Inhibiting rate=(1- rotting rates) × 100%
Inhibiting rate after coefficient of synergism=Combined Treatment/(1- individually handles 1 rotting rate × individually handle 2 rotting rate
The rotting rate of × individually processing 3)
The salicylic acid containing various concentrations of table 8 and dehydroactic acid sodium aqueous solution soaking, with reference to the wax liquor of the cinnamic acid containing 0.125ml/L
Waxing waxes what is handled relative to the independent salicylated aqueous solution, aqueous solution soaking containing dehydroactic acid sodium or wax liquor containing cinnamic acid
Coefficient of synergism
The aqueous solution soaking of the salicylic acid containing various concentrations of table 9 and dehydroactic acid sodium, with reference to the wax of the cinnamic acid containing 0.25ml/L
Liquid is waxed relative at the independent salicylated aqueous solution, aqueous solution soaking containing dehydroactic acid sodium or the wax liquor waxing containing cinnamic acid
The coefficient of synergism of reason
The salicylic acid containing various concentrations of table 10 and dehydroactic acid sodium aqueous solution soaking, beaten with reference to the wax liquor of cinnamic acid containing 0.25ml/L
The synergy that wax is handled relative to individually being waxed containing aqueous solution of salicylic acid, aqueous solution soaking containing dehydroactic acid sodium or wax liquor containing cinnamic acid
Coefficient
Table 8, table 9 and the result of table 10 are shown, compared with three kinds of processing modes independently use, it is big that coefficient of synergism is used in combination
In 1.2, thus there is obvious synergistic effect, the present invention confirms there is notable synergistic effect between three kinds of processing modes first.
Embodiment 2：The simplation verification experiment of joint processing technology
The present embodiment is pre-processed using two Combined Treatment conditions to amounting to 1000 ugly tangerines respectively, then is carried out
Suffocating treatment, using untreated ugly tangerine as control, compare poisoning situation and the index of quality.Treatment conditions and result such as table 11,
Shown in table 12：
Confirmatory experiment of the Combined Treatment of table 11 to the inhibitory action of bromomethane poisoning
Influence of the Combined Treatment of table 12 to Quality Parameters in Orange
| Group | Soluble sugar (%) | Total acid (%) |
| Control group | 15.5±0.9a | 0.74±0.10a |
| Treatment group 1 | 15.3±0.7a | 0.70±0.7a |
| Treatment group 2 | 15.7±0.6a | 0.73±0.8a |
Note：Identical lowercase letter does not have significant difference (p>0.05)
Table 11, the result of table 12 show that above-mentioned Combined Treatment can effectively suppress poisoning of the bromomethane to citrus fruit,
And on citrus fruit quality without influence.
What is finally illustrated is：Above example is merely to illustrate the implementation process and feature of the present invention, and unrestricted is sent out
Bright technical scheme, although the present invention is described in detail with reference to above-described embodiment, one of ordinary skill in the art should
Work as understanding：The present invention can still be modified or equivalent substitution, without departing from the spirit and scope of the present invention any
Modification or local replacement, all should cover among protection scope of the present invention.
Claims (10)
1. a kind of method for eliminating or mitigating methyl bromide fumigation citrus fruit poisoning, this method are included citrus water to be fumigated
Fruit first carries out immersion treatment, carries out waxing processing after draining again, after then draining the step of progress suffocating treatment；
Wherein, the immersion treatment is to use citrus fruit to be fumigated to soak containing salicylic acid and the aqueous solution of dehydroactic acid sodium
Bubble；
The waxing processing is waxed for the citrus fruit by immersion treatment and after draining using the wax liquor containing cinnamic acid；
Preferably, the citrus fruit includes the one or more in ugly tangerine, navel orange and sugar orange.
2. the method according to claim 11, wherein, it is salicylic in the aqueous solution containing salicylic acid and dehydroactic acid sodium
Mass concentration is 1.0mg/ml~4.0mg/ml；It is preferred that 2.0mg/ml~4.0mg/ml.
3. method according to claim 1 or 2, wherein, dehydrogenation in the aqueous solution containing salicylic acid and dehydroactic acid sodium
The mass concentration of sodium acetate is 0.75mg/ml~3mg/ml；It is preferred that 1.5mg/ml~3mg/ml.
4. method according to claim 1 or 2, wherein, the mass concentration of cinnamic acid is in the wax liquor containing cinnamic acid
0.125g/L~0.5g/L；Preferably 0.25g/L~0.5g/L.
5. according to the method for claim 3, wherein, the mass concentration of cinnamic acid is in the wax liquor containing cinnamic acid
0.125g/L~0.5g/L；Preferably 0.25g/L~0.5gl/L.
6. the method according to claim 11, wherein, it is salicylic in the aqueous solution containing salicylic acid and dehydroactic acid sodium
Mass concentration is 2.0mg/ml~4.0mg/ml；The matter of dehydroactic acid sodium in the aqueous solution containing salicylic acid and dehydroactic acid sodium
Amount concentration is 1.5mg/ml~3mg/ml；In the wax liquor containing cinnamic acid the mass concentration of cinnamic acid be 0.25ml/L~
0.5ml/L。
7. according to the method described in claim 1 or 6, wherein, the immersion treatment be 20~25 DEG C of immersion treatments 8~
12min。
8. the method according to claim 1 or 6, wherein, the suffocating treatment is in more than 15 DEG C, uses 30~50g/m3
2~4h of methyl bromide fumigation；It is preferred that suffocating treatment is in 20~25 DEG C of progress.
Eliminated or the composition of mitigation methyl bromide fumigation citrus fruit poisoning 9. a kind of, the composition include containing salicylic acid and
The aqueous solution of dehydroactic acid sodium and the wax liquor containing cinnamic acid.
10. in composition according to claim 9, wherein：
Salicylic mass concentration is 1.0mg/ml~4.0mg/ml in the aqueous solution containing salicylic acid and dehydroactic acid sodium；It is excellent
Select 2.0mg/ml~4.0mg/ml；
The mass concentration of dehydroactic acid sodium is 0.75mg/ml~3mg/ in the aqueous solution containing salicylic acid and dehydroactic acid sodium
ml；It is preferred that 1.5mg/ml~3mg/ml；And
The mass concentration of cinnamic acid is 0.125g/L~0.5g/L in the wax liquor containing cinnamic acid；Preferably 0.25g/L~
0.5g/L；
It is highly preferred that in the composition, salicylic quality is dense in the aqueous solution containing salicylic acid and dehydroactic acid sodium
Spend for 2.0mg/ml~4.0mg/ml；
The mass concentration of dehydroactic acid sodium is 1.5mg/ml~3mg/ml in the aqueous solution containing salicylic acid and dehydroactic acid sodium；
And
The mass concentration of cinnamic acid is 0.25g/L~0.5g/L in the wax liquor containing cinnamic acid.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111602711A (en) * | 2020-04-17 | 2020-09-01 | 中国热带农业科学院南亚热带作物研究所 | Composition and method for preventing and treating black rot of pineapple after picking |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104855496A (en) * | 2015-06-02 | 2015-08-26 | 湘潭大学 | Method for anticorrosion and preservation of postharvest citrus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104855496A (en) * | 2015-06-02 | 2015-08-26 | 湘潭大学 | Method for anticorrosion and preservation of postharvest citrus |
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| 冯春梅等: "脐橙采后免发汗式商品化贮藏保鲜工艺优化", 《南方农业学报》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111602711A (en) * | 2020-04-17 | 2020-09-01 | 中国热带农业科学院南亚热带作物研究所 | Composition and method for preventing and treating black rot of pineapple after picking |
| CN111602711B (en) * | 2020-04-17 | 2023-05-23 | 中国热带农业科学院南亚热带作物研究所 | Composition and method for preventing and treating black rot of pineapple after picking |
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