Core-shell cyclopropene antistaling agent with dual effects of sterilization and freshness preservation and preparation method thereof
A technology of cyclopropene and preservative, which is applied in the field of core-shell type cyclopropene preservative and its preparation, can solve the problems of weakening the preservation effect and the like, and achieve the effects of fast action speed, low dosage and good sterilization effect.
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Embodiment 1
[0047] (1) Take 1 weight part of dry 1-methylcyclopropene stable inclusion complex, 10 parts by weight of excipient and 5 parts by weight of slow-release agent powder, mix in a three-dimensional motion mixer for 30min and pour out , to obtain mixture A, at a temperature of 5°C and an environment of relative humidity of 15%, the mixture A is compressed in a tablet machine to form a core layer tablet; wherein, the excipient adopts glucose; the slow-release agent adopts sodium bicarbonate ;
[0048] (2) Dissolve hydroxypropyl-β-cyclodextrin in absolute ethanol to make a high-concentration viscous solution of 0.5g / mL, gently and evenly mix the hydroxypropyl-β-cyclodextrin solution with a brush Apply ground to the surface of the core layer tablet, and dry in an oven at 50°C for 60 minutes to form a film, and form an isolation layer on the surface of the core layer tablet to obtain a tablet with an isolation layer;
[0049] (3) get the sodium chlorite of dry 20 weight parts, the an...
Embodiment 2
[0052] (1) Take dry 5 parts by weight of 1-methylcyclopropene stable inclusion complex, 20 parts by weight of excipients and 10 parts by weight of slow-release agent powder, mix in a three-dimensional motion mixer for 30min and pour out , to obtain the mixture A, at a temperature of 10°C and a relative humidity of 20%, the mixture A was compressed in a tablet machine to form a core layer tablet; wherein, the excipient used starch; the slow-release agent used sodium carbonate;
[0053] (2) Dissolve methyl-β-cyclodextrin in absolute ethanol to make a high-concentration viscous solution of 0.4g / mL, and apply the methyl-β-cyclodextrin solution gently and evenly with a brush on the surface of the tablet with the core layer, and dry in an oven at 40°C for 50 minutes to form a film, and form an isolation layer on the surface of the tablet with the core layer to obtain a tablet with an isolation layer;
[0054] (3) get dry sodium chlorite of 30 parts by weight, sodium chloride of 15 p...
Embodiment 3
[0060] (1) Take dry 10 parts by weight of 1-methylcyclopropene stable inclusion complex, 30 parts by weight of excipients and 1 part by weight of slow-release agent powder, mix in a three-dimensional motion mixer for 30min and pour out , to obtain mixture A, at a temperature of 15°C and a relative humidity of 50%, the mixture A is compressed into a tablet in a tablet machine to form a core layer tablet; wherein, the excipient adopts maltose; the slow-release agent adopts calcium hydroxide ;
[0061] (2) Dissolve amino-β-cyclodextrin in methanol to make a high-concentration viscous solution of 0.3g / mL, and apply the amino-β-cyclodextrin solution gently and evenly on the nuclear layer with a brush The surface of the tablet was dried in a 60°C oven for 40 minutes to form a film, and an isolation layer was formed on the surface of the core tablet to obtain a tablet with an isolation layer;
[0062] (3) Get dry sodium chlorite of 40 parts by weight, sodium chloride of 5 parts by w...
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