A kind of detergent and its application in fruits and vegetables cleaning
Technical field
The invention belongs to articles for washing technical fields, and in particular to a kind of detergent and its application in fruits and vegetables cleaning.
Background technique
It is influenced to prevent and treat the crops such as water fruits and vegetables during the growth process by insect pest etc., usually uses agrochemical pesticide
It is controlled.Some peasants are anxious due to getting a profit, and ignoring the safety interval of pesticide and the pertinent regulations of Pesticide use, excess makes
With therefore, pesticide residue is inevitable on fruits and vegetables.Since most of fruits and vegetables are eaten when fresh, it is adsorbed on fruits and vegetables
On remains of pesticide to human body constitute seriously endanger.According to statistics, the mankind will be accounted for by eating the remains of pesticide of fruits and vegetables intake
55% or more of total amount.At home, the remains of pesticide on fruits and vegetables can lead to has 2~30,000 people by without the acute of degree every year
The murder by poisoning of poisoning, number by chronic murder by poisoning are taller much or even some people suffer from dermatitis, allergy etc..
China takes many effective measures on preventing edible fruits and vegetables poisoning, such as reinforces the Detecting Pesticide of fruits and vegetables,
Forbid use of the high-toxic pesticide on fruits and vegetables, promote the use of the new pesticide of high-efficiency low-toxicity, the scientific rational use of medicines is publicized, before eating
Garden stuff pesticide residue processing etc. is removed, these measures have all ensured the health of people to a certain extent.By edible
It is preceding to remove garden stuff pesticide residue using some means, the persticide residue in fruits and vegetables can be reduced to greatest extent, guarantee fruit
Vegetable it is safe and healthy, prevent the generation of pesticide poisoning event.
It, can be using washing, detergent in order to reduce pesticide in fruits and vegetables, antistaling agent or the residual quantity of plant growth promoter
Washing etc. after processing.Facts have proved: washing can not effectively remove garden stuff pesticide residue, and detergent then can be with.The prior art is public
A kind of fruits and vegetables cleaning agent is opened, the cleaning agent is mainly by nonionic surface active agent fatty alcohol polyoxyethylene ether, cocinic acid
Diglycollic amide, the composition such as sodium carbonate;There is further disclosed herein another detergent for removing farm chemical remained on vegetable and fruit, consisting of it is non-from
Sub- surfactant polyether modified silicon oil, sucrose monolaurate, solvent propylene glycol, alkaline assistant sodium carbonate and sodium bicarbonate and
Distilled water etc..Above two cleaning agent is all to sexually revise fruit and vegetable surfaces to the infiltration of oil and water using nonionic surface active agent
The surface physical characteristic of remains of pesticide makes pesticide be detached from fruit and vegetable surfaces and achieve the purpose that washing, using most of pesticides in alkali
Property solution in hydrolyze, make generate alkaline environment reach removal pesticide residue purpose.Existing fruits and vegetables cleaning agent, mostly chemistry close
At though also having the secondary halfway problem of cleaning with preferable clean effect, long-time service is caused harm to the human body, meeting
Make the pachylosis of people, and not degradable, will cause the secondary pollution of environment.
Summary of the invention
For the above-mentioned prior art, the present invention provides a kind of application of cleaning agent and the detergent in fruit cleaning,
To solve the problems, such as that will cause secondary cleaning using existing detergent cleaning fruit is not thorough and secondary pollution.
In order to achieve the above object, the technical scheme adopted by the invention is that: provide a kind of detergent, washing in the present invention
It washs agent to include the following components'mass percentage: inclusion agent 25wt%~50wt%, stabilizer 1wt%~3wt%, dispersing agent
1wt%~3wt%, pH adjusting agent 0wt%~1wt%, thickener 3wt%~5wt%, surplus are water.
Based on the above technical solution, the present invention can also be improved as follows.
Further, detergent includes the following components'mass percentage: inclusion agent 35wt%, stabilizer 2wt%, dispersing agent
2wt%, pH adjusting agent 0.5wt%, thickener 4%, surplus are water.
Further, inclusion agent is cyclodextrin.
Further, inclusion agent is beta-cyclodextrin, alpha-cyclodextrin or gamma-cyclodextrin.
Further, stabilizer is sodium chloride;The dispersing agent is odium stearate or sodium palmitate.
Further, pH adjusting agent is sodium carbonate, sodium bicarbonate or citric acid.
Further, thickener is sodium cellulosate, sodium alginate or starch.
Detergent in the present invention is mainly used for cleaning fruits and vegetables, and when in use, first with water that detergent is dilute
800~1200 times are released, the dilute solution of detergent is obtained, then cleans fruits and vegetables with dilute solution, can be not only greatly lowered
The residue of pesticide amount of fruit surface, and secondary cleaning is more thorough.
The beneficial effects of the present invention are:
1. the inclusion agent in detergent of the present invention selects cyclodextrin, cyclodextrin is a kind of cyclic oligosaccharide, is had hydrophobic
Internal cavities and hydrophilic surface can form super molecule inclusion compound with conventional pesticide, i.e., by the remaining pesticide of fruit surface
It wraps up into internal cavities, it is special to be different from the surface physics that standard detergent sexually revises fruit and vegetable surfaces remains of pesticide using infiltration
Property, to make the mode of pesticide disengaging fruit and vegetable surfaces, pesticide is adsorbed onto ring by way of bonding by the inclusion agent in the present invention
In the hydrophobic cavity of dextrin, pesticide is tightly combined with inclusion agent, can effectively remove the residues of banned pesticides of fruit surface, and due to
Cyclodextrin has hydrophilic surface, the cyclodextrin after being bonded pesticide can be a large amount of soluble in water, and then promotes pesticide in water
Solubility, promotes the removal rate of pesticide, and the cleaning effect of fruit is more preferable.
2. making stabilizer in the present invention with sodium chloride, sodium chloride is dissolved in ionizable chloride ion and sodium ion out after water, ring paste
Essence can expand molecule hole gap in ionic environment, carry out " arresting " to pesticide convenient for cyclodextrin, can be more efficient
Remove the pesticide of fruit surface remnants;And the addition of sodium chloride can increase the polarity of solution, be more prone to produce cyclodextrin
Inclusion property.
3. remaining component can be dispersed in and be washed as dispersing agent using odium stearate or sodium palmitate in the present invention
Wash in agent, can effectively ensure that the homogeneity of detergent, and odium stearate or sodium palmitate can be provided for detergent sodium from
Son further increases the ion concentration of solution, keeps cyclodextrin structure more stable, promotes cyclodextrin to the binding ability of pesticide,
Cleaning effect is more preferably.
4. the object of detergent can be effectively improved as thickener using sodium cellulosate, sodium alginate or starch in the present invention
Rationality shape keeps detergent more stable, while can play emulsification and suspension effect, further promotes the washing effect of detergent
Fruit.
Specific embodiment
1. raw material
Inclusion agent: the inclusion agent used in the present invention should have cage structure, and can arrest to conventional pesticide, make
Pesticide enters in cage, in order to clean to remains of pesticide.Based on this, inclusion agent can be cyclodextrin etc., and be terrible
To best inclusion effect, inclusion agent is preferably with beta-cyclodextrin, alpha-cyclodextrin or gamma-cyclodextrin.
Stabilizer: in order to make inclusion agent save and remain the structure of itself in use process, while making remaining
Component even suspension, the present invention are added with stabilizer in detergent.Stabilizer selected by the present invention should be nontoxic, base
In this, stabilizer can be chosen from chloride, such as sodium chloride.
Dispersing agent: dispersing agent and stabilizer collective effect disperse the component even suspension in detergent, promote washing effect
Fruit;Dispersing agent in the present invention uses odium stearate or sodium palmitate.
Thickener: thickener can improve the physical behavior of detergent, keep detergent more stable, while can play cream
Change and suspension effect further promote the washing effect of detergent.Thickener used in the present invention can be from sodium cellulosate, sea
It is chosen in mosanom, starch etc..
PH adjusting agent: for adjusting the pH value of detergent, in order to promote inclusion agent to the inclusion effect of pesticide, institute of the present invention
The pH adjusting agent used can be selected from sodium carbonate, sodium bicarbonate or citric acid etc..
2. detergent is prepared
Component is weighed by following mass percent:
Inclusion agent 25wt%~50wt%, stabilizer 1wt%~3wt%, dispersing agent 1wt%~3wt%, pH adjusting agent
4wt%~10wt%, thickener 3wt%~5wt%, surplus are water.
It is first that dispersing agent is soluble in water and stir evenly after weighing up component, then stabilizer and inclusion agent are added to molten
In liquid, is stirred at room temperature to stabilizer and inclusion agent and be completely dissolved, then thickener is added portionwise in solution, finally adjusted with pH
Solution ph is adjusted to 4~11 by agent, obtains final detergent.
Below with reference to embodiment, specific embodiments of the present invention will be described in detail.
Embodiment one
A kind of detergent, includes the following components'mass percentage: beta-cyclodextrin 35wt%, sodium chloride 2wt%, stearic acid
Sodium 2wt%, citric acid 0.5wt%, sodium cellulosate 4wt%, surplus are water.
The preparation method of the detergent are as follows: 2g odium stearate is dissolved in 56.5g water and is stirred evenly, then by 2g chlorination
Sodium and 35g beta-cyclodextrin are added in solution, stir to sodium chloride and beta-cyclodextrin be completely dissolved at room temperature, then by 4g cellulose
Sodium is added portionwise in solution, is eventually adding 0.5g lemon acid regulator solution ph, obtains final detergent.
Embodiment two
A kind of detergent, includes the following components'mass percentage: beta-cyclodextrin 25wt%, sodium chloride 1wt%, stearic acid
Sodium 1wt%, sodium alginate 5wt%, surplus are water.
The preparation method of the detergent are as follows: 1g odium stearate is dissolved in 68g water and is stirred evenly, then by 1g sodium chloride
It is added in solution with 25g beta-cyclodextrin, stirs to sodium chloride and beta-cyclodextrin be completely dissolved at room temperature, then by 5g sodium cellulosate
It is added portionwise in solution, stirs evenly, obtain final detergent.
Embodiment three
A kind of detergent, includes the following components'mass percentage: alpha-cyclodextrin 50wt%, sodium chloride 3wt%, palmitic acid
Sodium 1wt%, sodium bicarbonate 1wt%, sodium cellulosate 3wt%, surplus are water.
The preparation method of the detergent are as follows: 1g odium stearate is dissolved in 42g water and is stirred evenly, then by 3g sodium chloride
It is added in solution with 50g alpha-cyclodextrin, stirs to sodium chloride and alpha-cyclodextrin be completely dissolved at room temperature, then by 3g sodium cellulosate
It is added portionwise in solution, is eventually adding 1g sodium bicarbonate regulator solution ph, obtains final detergent.
Example IV
A kind of detergent, includes the following components'mass percentage: gamma-cyclodextrin 40wt%, sodium chloride 2wt%, stearic
Sour sodium 3wt%, sodium carbonate 0.5wt%, starch 3wt%, surplus are water.
The preparation method of the detergent are as follows: 3g odium stearate is dissolved in 51.5g water and is stirred evenly, then by 2g chlorination
Sodium and 40g gamma-cyclodextrin are added in solution, stir to sodium chloride and gamma-cyclodextrin be completely dissolved at room temperature, then by 3g seaweed
Sour sodium is added portionwise in solution, is eventually adding 0.5g sodium carbonate regulator solution ph, obtains final detergent.
Comparative example one
A kind of detergent, includes the following components'mass percentage: beta-cyclodextrin 20wt%, sodium chloride 2wt%, stearic acid
Sodium 2wt%, citric acid 0.5wt%, sodium cellulosate 4wt%, surplus are water.
The preparation method of the detergent are as follows: 2g odium stearate is dissolved in 71.5g water and is stirred evenly, then by 2g chlorination
Sodium and 20g beta-cyclodextrin are added in solution, stir to sodium chloride and beta-cyclodextrin be completely dissolved at room temperature, then by 4g cellulose
Sodium is added portionwise in solution, is eventually adding 0.5g lemon acid regulator solution ph, obtains final detergent.
Comparative example two
A kind of detergent, includes the following components'mass percentage: beta-cyclodextrin 55wt%, sodium chloride 2wt%, stearic acid
Sodium 2wt%, citric acid 0.5wt%, sodium cellulosate 4wt%, surplus are water.
The preparation method of the detergent are as follows: 2g odium stearate is dissolved in 36.5g water and is stirred evenly, then by 2g chlorination
Sodium and 55g beta-cyclodextrin are added in solution, stir to sodium chloride and beta-cyclodextrin be completely dissolved at room temperature, then by 4g cellulose
Sodium is added portionwise in solution, is eventually adding 0.5g lemon acid regulator solution ph, obtains final detergent.
Comparative example three
A kind of detergent, includes the following components'mass percentage: beta-cyclodextrin 35wt%, odium stearate 2wt%, lemon
Sour 0.5wt%, sodium cellulosate 4wt%, surplus are water.
The preparation method of the detergent are as follows: 2g odium stearate is dissolved in 58.5g water and is stirred evenly, then by 35g β-
Cyclodextrin is added in solution, stirs to beta-cyclodextrin be completely dissolved at room temperature, then 4g sodium cellulosate is added portionwise in solution,
It is eventually adding 0.5g lemon acid regulator solution ph, obtains final detergent.
Comparative example four
A kind of detergent, includes the following components'mass percentage: beta-cyclodextrin 35wt%, sodium chloride 2wt%, citric acid
0.5wt%, sodium cellulosate 4wt%, surplus are water.
The preparation method of the detergent are as follows: 2g sodium chloride and 35g beta-cyclodextrin are dissolved in 58.5g water, stirred at room temperature
It is completely dissolved to sodium chloride and beta-cyclodextrin, then 4g sodium cellulosate is added portionwise in solution, be eventually adding 0.5g citric acid tune
Agent solution pH value is saved, final detergent is obtained.
Interpretation of result
Detergent made from each group embodiment and comparative example is taken, their pH value is measured, they are then diluted 1000 times,
And same a collection of fruits and vegetables is cleaned, the pesticides removal rate and surfactant detergent of vegetables and fruit are residual after detection cleaning
As a result surplus is listed in table 1.
1 detergent pH value of table and removal rate and residual volume to pesticide
As can be seen from the table, the obtained detergent of the present invention have to fruits and vegetables pesticide remained on surface have compared with
The cleaning that good removal rate, i.e. detergent in the present invention can be used for fruits and vegetables.Embodiment one is to obtained by example IV
Detergent 99% or more can achieve to the removal rate of fruit pesticide, detergent amount is lower than 0.5mg/kg, shows to wash
Agent can efficiently remove the pesticide on fruits and vegetables surface, while secondary cleaning is thorough, be a kind of ideal fruits and vegetables detergent.
Comparative example one is compared with embodiment one, and the content of cyclodextrin reduces, and the cyclodextrin content in detergent is not enough to key
The residues of banned pesticides for closing fruit and vegetable surfaces, cause pesticides removal rate lower;Comparative example two is compared with embodiment one, cyclodextrin content mistake
Cyclodextrin cannot be completely dispersed suspension by height, stabilizer and dispersing agent, and the molecular gap of cyclodextrin is caused to reduce, and then influence pair
The bonding of pesticide causes pesticides removal rate lower.Comparative example three lacks stabilizer chlorine compared with embodiment one, in detergent component
Change sodium, cannot molecule hole gap to cyclodextrin generate positive influences, while will not influence the polarity of solution, make finally to wash
The washing effect of agent is deteriorated.Comparative example four lacks dispersing agent odium stearate compared with embodiment one, in detergent component, and component is not
It can be uniformly dispersed, so that washing effect be caused to be deteriorated.
Although be described in detail to a specific embodiment of the invention in conjunction with the embodiments, should not be construed as to this
The restriction of the protection scope of patent.In range described by claims, those skilled in the art are without creative work
The various modifications and deformation that can make still belong to the protection scope of this patent.