CN103734267B - Slowly-releasing lichee nanometer agent for storage of coldness and preparation method thereof - Google Patents
Slowly-releasing lichee nanometer agent for storage of coldness and preparation method thereof Download PDFInfo
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- CN103734267B CN103734267B CN201310685458.0A CN201310685458A CN103734267B CN 103734267 B CN103734267 B CN 103734267B CN 201310685458 A CN201310685458 A CN 201310685458A CN 103734267 B CN103734267 B CN 103734267B
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Abstract
The present invention relates to a kind of slowly-releasing lichee fresh-keeping nanometer agent for storage of coldness and preparation method thereof, belong to antistaling agent technical field.It is characterized in that: be made up of borax, polyvinyl alcohol, chilli powder, silicone oil, glycerine, water, malic acid, niter cake, starch, Silica hydrogel, sucrose, sodium lactate, tea powder.The present invention selects multiple material formulated, and the cost of raw material of use is cheap, thus cost of manufacture is low; Need not control the storage temperature of lichee in use procedure, and can not there is any potential safety hazard, security is good, energy consumption is low, lichee can be transported for a long time by common vehicle, the quality of lichee can be ensured simultaneously, make the fresh keeping time of lichee reach five to six months.
Description
technical field:
The present invention relates to a kind of slowly-releasing lichee fresh-keeping nanometer agent for storage of coldness and preparation method thereof, belong to antistaling agent technical field.
background technology:
Lichee is nutritious, be subject to one of fruit that numerous people like, but lichee is general, and only in summer, just meeting is ripe, if any fresh-keeping measure do not taked by the lichee picked, can darken in four to five days, in a couple of days then can meat spoiled, rot, be so both unfavorable for that distributors holds sale to lichee, also inconvenient people buy lichee according to hobby when wanting to eat.Therefore need to carry out lichee maximized fresh-keeping, improve added value, the life be convenient for people to.
Substantially be all carry out fresh-keeping by refrigeration pattern to lichee in the market, but the fresh-keeping cost of this pattern is very high, the time has grown the mouthfeel that also can affect lichee, thus affects people's liking lichee, and then produces waste.Therefore, adopt there is economy, the Perserving materials of convenience of security and use is bound to as the fresh-keeping pattern of lichee be the optimal selection in lichee fresh-keeping field.
summary of the invention:
The present invention seeks to, be used for making up the deficiencies in the prior art, and provide a kind of slowly-releasing lichee fresh-keeping nanometer agent for storage of coldness and preparation method thereof, cost of manufacture is low, and energy consumption is low, and security is good.
To achieve these goals, a kind of slowly-releasing lichee fresh-keeping nanometer agent for storage of coldness, is characterized in that: be made up of polyvinyl alcohol, chilli powder, silicone oil, glycerine, water, malic acid, niter cake, Silica hydrogel, sucrose, sodium lactate, nano controlled-release carrier.
Described polyvinyl alcohol is 20 ~ 25 parts;
Described chilli powder is 10 ~ 13 parts;
Described silicone oil is 18 ~ 20 parts;
Described glycerine is 6 ~ 8 parts;
Described water is 69 ~ 78 parts;
Described malic acid is 5 ~ 7 parts;
Described niter cake is 4 ~ 6 parts;
Described Silica hydrogel is 3 ~ 5 parts;
Described sucrose is 8 ~ 11 parts;
Described sodium lactate is 8 ~ 11 parts;
Described nano controlled-release carrier is 10-15 part;
Described number is parts by weight;
2, antistaling agent for litchi according to claim 1, is characterized in that,
Described nano controlled-release support preparation method is: silicone hydroxyl apatite, diatomite mix according to the mass fraction proportioning of 5-8: 8-10 by (1), join in the mixed solution of 200 parts of methyl-sulfoxides (DMSO) and 30 parts of methyl alcohol, stir 60 hours in 65 DEG C, filter, and wash the excessive methyl-sulfoxide (DMSO) of 3 removings with the hot ethanol of 60 DEG C of temperature, put into vacuum drying chamber, 60 DEG C of temperature dryings 24 hours, grinding is sieved, and obtains a modified composite;
(2) by 1 part of modified composite, 10 parts of potassium acetates and 22 parts of distilled water mixing, more than 10 hours are stirred in temperature 50 C, in temperature 30 DEG C, first disperse 3.5 hours under ultrasonic electric power 350W condition, and then disperse 4 hours under ultrasonic electric power 250W condition.To filter, and with distilling washing 3 times, 80 DEG C of vacuum drying 24 hours, grinding is sieved, and obtains twice-modified compound;
(3) above-mentioned 1 part of twice-modified compound is disperseed 30min at 600W power ultrasonic, be heated to 90 DEG C with constant temperature heating device, and stir (1200r/min) 60 minutes with mechanical agitator; Obtain nano controlled-release carrier.
The preparation method of the antistaling agent for litchi 3, according to claim 2 or 1 any one, is characterized in that, comprise following step:
(A) polyvinyl alcohol, chilli powder, silicone oil, water, Silica hydrogel, sucrose, sodium lactate, nano controlled-release carrier are required to send in mixer to carry out being uniformly mixed to obtain a solution according to the parts by weight of claim 2, the mixing speed of described mixer is 30 ~ 41 turns per minute, described in be uniformly mixed actuator temperature and control at 41 ~ 52 DEG C;
(B) malic acid, glycerine, niter cake are required to send in mixer to carry out being uniformly mixed to obtain No. two solution according to the parts by weight of claim 2, the mixing speed of described mixer is 16 ~ 24 turns per minute, described in be uniformly mixed actuator temperature and control at 20 ~ 32 DEG C;
(C) solution is mixed according to the ratio of 2:1 with No. two solution, then mixed liquor is sent to sedimentation basin and carry out precipitation 3 ~ 4 hours;
(D) supernatant of step C is extracted, then liquid will be extracted by 85 mesh screen, obtained antistaling agent for litchi.
Beneficial effect of the present invention is as follows:
The present invention selects multiple material formulated, and the cost of raw material of use is cheap, thus cost of manufacture is low; Need not control the storage temperature of lichee in use procedure, and can not there is any potential safety hazard, security is good, energy consumption is low, lichee can be transported for a long time by common vehicle, the quality of lichee can be ensured simultaneously, make the fresh keeping time of lichee reach five to six months.Utilize hydroxyapatite etc. itself to have the character of loose structure, drug component is adsorbed in the inner mesh of carrier, reach the object of slow releasing.All improve a lot through twice-modified nano-complex drugloading rate and adsorbance, fresh-keeping effect time lengthening more than 2 months.
detailed description of the invention:
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further.
Embodiment 1:
A kind of slowly-releasing lichee fresh-keeping nanometer agent for storage of coldness, is characterized in that: be made up of polyvinyl alcohol, chilli powder, silicone oil, glycerine, water, malic acid, niter cake, Silica hydrogel, sucrose, sodium lactate, nano controlled-release carrier.
Described polyvinyl alcohol is 25 parts;
Described chilli powder is 13 parts;
Described silicone oil is 20 parts;
Described glycerine is 8 parts;
Described water is 78 parts;
Described malic acid is 7 parts;
Described niter cake is 6 parts;
Described Silica hydrogel is 5 parts;
Described sucrose is 11 parts;
Described sodium lactate is 11 parts;
Described nano controlled-release carrier is 15 parts;
Described number is parts by weight;
Described nano controlled-release support preparation method is: silicone hydroxyl apatite, diatomite mix according to the mass fraction proportioning of 8: 10 by (1), join in the mixed solution of 200 parts of methyl-sulfoxides (DMSO) and 30 parts of methyl alcohol, stir 60 hours in 65 DEG C, filter, and wash the excessive methyl-sulfoxide (DMSO) of 3 removings with the hot ethanol of 60 DEG C of temperature, put into vacuum drying chamber, 60 DEG C of temperature dryings 24 hours, grinding is sieved, and obtains a modified composite;
(2) by 1 part of modified composite, 10 parts of potassium acetates and 22 parts of distilled water mixing, more than 10 hours are stirred in temperature 50 C, in temperature 30 DEG C, first disperse 3.5 hours under ultrasonic electric power 350W condition, and then disperse 4 hours under ultrasonic electric power 250W condition.To filter, and with distilling washing 3 times, 80 DEG C of vacuum drying 24 hours, grinding is sieved, and obtains twice-modified compound;
(3) above-mentioned 1 part of twice-modified compound is disperseed 30min at 600W power ultrasonic, be heated to 90 DEG C with constant temperature heating device, and stir (1200r/min) 60 minutes with mechanical agitator; Obtain nano controlled-release carrier.
The preparation method of described antistaling agent for litchi, is characterized in that, comprises following step:
(A) polyvinyl alcohol, chilli powder, silicone oil, water, Silica hydrogel, sucrose, sodium lactate, nano controlled-release carrier are required to send in mixer to carry out being uniformly mixed to obtain a solution according to the parts by weight of claim 2, the mixing speed of described mixer is 41 turns per minute, described in be uniformly mixed actuator temperature and control at 41 ~ 52 DEG C;
(B) malic acid, glycerine, niter cake are required to send in mixer to carry out being uniformly mixed to obtain No. two solution according to the parts by weight of claim 2, the mixing speed of described mixer is 16 ~ 24 turns per minute, described in be uniformly mixed actuator temperature and control at 32 DEG C;
(C) solution is mixed according to the ratio of 2:1 with No. two solution, then mixed liquor is sent to sedimentation basin and carry out precipitation 3 ~ 4 hours;
(D) supernatant of step C is extracted, then liquid will be extracted by 85 mesh screen, obtained antistaling agent for litchi.
During use, antistaling agent for litchi is sprayed directly on the lichee picked, then lichee is carried out capping.Adopt the present embodiment that vegetables usually can be made not go bad in five to six months.
Embodiment 2:
A kind of slowly-releasing lichee fresh-keeping nanometer agent for storage of coldness, is characterized in that: be made up of polyvinyl alcohol, chilli powder, silicone oil, glycerine, water, malic acid, niter cake, Silica hydrogel, sucrose, sodium lactate, nano controlled-release carrier.
Described polyvinyl alcohol is 20 parts;
Described chilli powder is 10 parts;
Described silicone oil is 18 parts;
Described glycerine is 6 parts;
Described water is 69 parts;
Described malic acid is 5 parts;
Described niter cake is 4 parts;
Described Silica hydrogel is 3 parts;
Described sucrose is 8 parts;
Described sodium lactate is 8 parts;
Described nano controlled-release carrier is 10 parts;
Described number is parts by weight;
Described nano controlled-release support preparation method is: silicone hydroxyl apatite, diatomite mix according to the mass fraction proportioning of 5-8: 8-10 by (1), join in the mixed solution of 200 parts of methyl-sulfoxides (DMSO) and 30 parts of methyl alcohol, stir 60 hours in 65 DEG C, filter, and wash the excessive methyl-sulfoxide (DMSO) of 3 removings with the hot ethanol of 60 DEG C of temperature, put into vacuum drying chamber, 60 DEG C of temperature dryings 24 hours, grinding is sieved, and obtains a modified composite;
(2) by 1 part of modified composite, 10 parts of potassium acetates and 22 parts of distilled water mixing, more than 10 hours are stirred in temperature 50 C, in temperature 30 DEG C, first disperse 3.5 hours under ultrasonic electric power 350W condition, and then disperse 4 hours under ultrasonic electric power 250W condition.To filter, and with distilling washing 3 times, 80 DEG C of vacuum drying 24 hours, grinding is sieved, and obtains twice-modified compound;
(3) above-mentioned 1 part of twice-modified compound is disperseed 30min at 600W power ultrasonic, be heated to 90 DEG C with constant temperature heating device, and stir (1200r/min) 60 minutes with mechanical agitator; Obtain nano controlled-release carrier.
The preparation method of described antistaling agent for litchi, is characterized in that, comprises following step:
(A) polyvinyl alcohol, chilli powder, silicone oil, water, Silica hydrogel, sucrose, sodium lactate, nano controlled-release carrier are required to send in mixer to carry out being uniformly mixed to obtain a solution according to the parts by weight of claim 2, the mixing speed of described mixer is 30 turns per minute, described in be uniformly mixed actuator temperature and control at 41 DEG C;
(B) malic acid, glycerine, niter cake are required to send in mixer to carry out being uniformly mixed to obtain No. two solution according to the parts by weight of claim 2, the mixing speed of described mixer is 16 ~ 24 turns per minute, described in be uniformly mixed actuator temperature and control at 20 DEG C;
(C) solution is mixed according to the ratio of 2:1 with No. two solution, then mixed liquor is sent to sedimentation basin and carry out precipitation 3 hours;
(D) supernatant of step C is extracted, then liquid will be extracted by 85 mesh screen, obtained antistaling agent for litchi.
Using method is with embodiment one.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a slowly-releasing lichee fresh-keeping nanometer fresh-keeping agent, is characterized in that: be made up of polyvinyl alcohol, chilli powder, silicone oil, glycerine, water, malic acid, niter cake, Silica hydrogel, sucrose, sodium lactate, nano controlled-release carrier;
Described polyvinyl alcohol is 20 ~ 25 parts;
Described chilli powder is 10 ~ 13 parts;
Described silicone oil is 18 ~ 20 parts;
Described glycerine is 6 ~ 8 parts;
Described water is 69 ~ 78 parts;
Described malic acid is 5 ~ 7 parts;
Described niter cake is 4 ~ 6 parts;
Described Silica hydrogel is 3 ~ 5 parts;
Described sucrose is 8 ~ 11 parts;
Described sodium lactate is 8 ~ 11 parts;
Described nano controlled-release carrier is 10-15 part;
Described number is parts by weight.
2., according to the slowly-releasing lichee fresh-keeping nanometer fresh-keeping agent described in claim 1, it is characterized in that,
Described nano controlled-release support preparation method is: silicone hydroxyl apatite, diatomite mix according to the mass fraction proportioning of 5-8: 8-10 by (1), join in the mixed solution of 200 parts of methyl-sulfoxides (DMSO) and 30 parts of methyl alcohol, stir 60 hours in 65 DEG C, filter, and wash the excessive methyl-sulfoxide (DMSO) of 3 removings with the hot ethanol of 60 DEG C of temperature, put into vacuum drying chamber, 60 DEG C of temperature dryings 24 hours, grinding is sieved, and obtains a modified composite;
(2) by 1 part of modified composite, 10 parts of potassium acetates and 22 parts of distilled water mixing, more than 10 hours are stirred in temperature 50 C, in temperature 30 DEG C, first disperse 3.5 hours under ultrasonic electric power 350W condition, and then disperse 4 hours under ultrasonic electric power 250W condition; To filter, and with distilling washing 3 times, 80 DEG C of vacuum drying 24 hours, grinding is sieved, and obtains twice-modified compound;
(3) above-mentioned 1 part of twice-modified compound is disperseed 30min at 600W power ultrasonic, be heated to 90 DEG C with constant temperature heating device, and stir 60 minutes be stirred in the mixing speed of 1200r/min with mechanical agitator under; Obtain nano controlled-release carrier.
3. the preparation method of the slowly-releasing lichee fresh-keeping nanometer fresh-keeping agent according to claim 2 or 1 any one, is characterized in that, comprise following step:
(A) polyvinyl alcohol, chilli powder, silicone oil, water, Silica hydrogel, sucrose, sodium lactate, nano controlled-release carrier are required to send in mixer to carry out being uniformly mixed to obtain a solution according to the parts by weight of claim 2, the mixing speed of described mixer is 30 ~ 41 turns per minute, described in be uniformly mixed actuator temperature and control at 41 ~ 52 DEG C;
(B) malic acid, glycerine, niter cake are required to send in mixer according to the parts by weight of claim 2
Row is uniformly mixed and obtains No. two solution, and the mixing speed of described mixer is 16 ~ 24 turns per minute, described in be uniformly mixed actuator temperature and control at 20 ~ 32 DEG C;
(C) solution is mixed according to the ratio of 2:1 with No. two solution, then mixed liquor is sent to sedimentation basin and carry out precipitation 3 ~ 4 hours;
(D) supernatant of C step is extracted, then liquid will be extracted by 85 mesh screen, obtained antistaling agent for litchi.
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| CN201310685458.0A CN103734267B (en) | 2013-12-16 | 2013-12-16 | Slowly-releasing lichee nanometer agent for storage of coldness and preparation method thereof |
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| CN201310685458.0A CN103734267B (en) | 2013-12-16 | 2013-12-16 | Slowly-releasing lichee nanometer agent for storage of coldness and preparation method thereof |
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| CN103734267A CN103734267A (en) | 2014-04-23 |
| CN103734267B true CN103734267B (en) | 2015-09-16 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063302A (en) * | 1992-01-16 | 1992-08-05 | 黑龙江商学院附属制冷设备厂 | Cold storage agent and preparation method |
| CN1081459A (en) * | 1992-07-21 | 1994-02-02 | 张志华 | Cold storage agent |
| CN1279023A (en) * | 1999-06-26 | 2001-01-10 | 广西大学 | Ordinary-temp antistaling tachnology for litchi and longan |
| CN101824304A (en) * | 2010-04-14 | 2010-09-08 | 安徽省煤炭科学研究院 | Mining temperature reduction coolant and preparation method thereof |
-
2013
- 2013-12-16 CN CN201310685458.0A patent/CN103734267B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063302A (en) * | 1992-01-16 | 1992-08-05 | 黑龙江商学院附属制冷设备厂 | Cold storage agent and preparation method |
| CN1081459A (en) * | 1992-07-21 | 1994-02-02 | 张志华 | Cold storage agent |
| CN1279023A (en) * | 1999-06-26 | 2001-01-10 | 广西大学 | Ordinary-temp antistaling tachnology for litchi and longan |
| CN101824304A (en) * | 2010-04-14 | 2010-09-08 | 安徽省煤炭科学研究院 | Mining temperature reduction coolant and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| 张文富主编.可以反复使用的凝胶状蓄冷剂.《致富小产品及实用技术》.天津科学技术出版社,2003,第165-171页. * |
| 黄玉媛等.蓄冷剂.《小化工产品配方》.中国纺织出版社,2008, * |
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