Fresh-keeping agent and application of fresh-keeping agent
A fresh-keeping liquid, parts by weight technology, applied in wood impregnation, wood processing utensils, impregnated wood and other directions, can solve the problems of grass toothpicks intolerance to preservation, loss of moisture, unmaintained flexibility, etc., to reduce secondary pollution, The effect of not easy to fade, suitable hardness and toughness
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Embodiment 7
[0027] Select fresh dogtail grass stems, select stems with a diameter of 0.05-0.3 cm, cut them into 3-9 cm long, and measure their toughness with the method of hanging weights. Specifically: hold 5 randomly selected stalks of dogtail grass at about 0.5cm from both ends, hang weights in the middle, gradually increase the weight until the stems cannot bear it and bend, and record the weight , The average weight of each five fresh grass stems is about 112.3 grams. Prepare the solution according to the concentration of the solution shown in Table 1, add it to each test tube with a certain amount of dogtail grass stems, set up three groups of parallel experiments for each group, seal it, and observe. Two months later, the dogtail grass was taken out, and the flexibility of the dogtail grass stem was measured.
[0028] Table II
[0029] (The value is the weight that every five weights can bear, unit: gram)
[0030] Example 1 2 3 4 5 6 Non-sterile mean firs...
Embodiment 8
[0033] Select fresh dogtail grass stems, select stems with a diameter of 0.05-0.5 cm, cut them into 3-9 cm long, measure their hardness and toughness, and set aside. Prepare the solution according to the solution concentration shown in Table 1, add it to each test tube with a certain number of dogtail stems, set up three parallel experiments for each group, and put each test tube into a high-pressure steam sterilizer to sterilize at 121°C 20min. Remove to cool and observe. Two months later, the dogtail grass was taken out, and the flexibility of the dogtail grass stem was measured.
[0034] Table three
[0035] Example 1 2 3 4 5 6 Autoclaved mean first measurement 80 80 75 75 75 70 second measurement 75 80 75 70 65 65 third measurement 75 85 70 70 70 70 Triple mean 76.7 81.7 73.3 71.1 70 68.3 73.5
[0036] Can find out from embodiment 8 three times mean value: the toughness of the toothpick fresh-ke...
Embodiment 10
[0045] The preparation method of plant toothpick: the plant that is used to make toothpick of the present invention, comprises the monocot grass plant of bluegrass, selects the stem of bluegrass 0.1 centimeter diameter, cuts into 4 centimeters long, puts in 65 ℃ and adds sodium hypochlorite solution Heat and sterilize in distilled water for 30 minutes, immerse in the above-mentioned preservation solution with the best effect, according to the needs of use, put a variable number of sterilized toothpicks, seal and seal together with the preservation solution, and sterilize again.
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