Sustained-release two-component grape fresh-keeping pad
A slow-release, fresh-keeping pad technology, applied in the field of slow-release two-component grape fresh-keeping pads, to achieve the effects of eliminating phytotoxicity, good application value and market prospects, and wide applicability
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[0007] Example 1: The slow-release two-component Portuguese fresh-keeping pad is composed of a main board and a ventilation unit arranged on the main board (3). The ventilation units are evenly distributed on the main board (3), and each ventilation unit is divided into upper There are three middle and lower layers, the upper layer is the surface breathable layer (1), and the lower layer is the bottom breathable layer (4). SO is formed between the surface breathable layer (1) and the main board (3) 2 The release cavity is filled with a mixture of sulfites and slow-release agents, and ClO is formed between the bottom breathable layer (4) and the main board (3) 2 The release cavity is filled with a mixture of chlorates and sustained-release agents.
The present invention can use different ratios of release agents (sulfites and chlorates) to control SO 2 Gas and ClO 2 The amount and rate of gas release can be used as a stable single-component preservative, as well as two mixed gas ...
Example Embodiment
Example 2: Sodium metabisulfite is used for sulfites, sodium chlorate is used for chlorates, and the mass ratio of the two is 10:1 at 0°C and a relative humidity of 90% or more, respectively filled in SO 2 Release chamber (2) and ClO 2 In the release cavity (5). This acid ratio can ensure that SO during low-temperature storage of red grapes 2 ClO 2 The release period is 65 days, that is, the preservation period can reach 65 days. The specific structure of this embodiment is the same as that of the first embodiment.
Example Embodiment
Example 3: Sodium metabisulfite is used for sulfites, sodium chlorate is used for chlorates, and tartaric acid is used for slow release agent. The mass ratio of the three is 10:1:1 at 0°C and 90% relative humidity. Respectively fill in SO 2 Release chamber (2) and ClO 2 In the release cavity (5), this kind of ratio can ensure SO during low-temperature storage of red grapes 2 ClO 2 The release period is 80 days, that is, the preservation period can reach 80 days. The specific structure of this embodiment is the same as that of the first embodiment.
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