A method for extracting eucommia gum from eucommia husk
A technology of eucommia gum and fruit shell, which is applied in the field of extracting eucommia gum, can solve the problems of high cost, harm to human body, and little effect, and achieve the effect of reducing cost, reducing dosage, and shortening time
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Embodiment 1
[0030] The method for extracting eucommia gum from eucommia husk, the operation steps are:
[0031] (1) 1 kg of eucommia husk (the husk after deseed by the eucommia sheller) is mechanically crushed with a small pulverizer (rotating speed 15000 rpm, power 1000W) until flocculent (about 5 minutes), and then Sieve through a 24-mesh sieve to remove 30-40% of wood fibers.
[0032] (2) be that the ozone generator of 3000mg / h ozone production produces ozone with power and pass in the airtight glass container that fills the floc residue of gained in the step (1), continue oxidation 2 hours.
[0033] (3) Repeat the process of steps (1)-(2) 4-5 times, and the crushing time of each time should be reduced by about 1 minute compared with the previous one.
[0034] (4) After sieving the flocculent residue obtained in step (3), soak it with water, and then place the flocculent residue in a blast drying oven at 40°C to dry until the whole is just whitish, and the water content is kept at 5-...
Embodiment 2-5
[0038] According to the preparation method of Example 1, change the ozone oxidation time parameters: control each oxidation time of step (2) to 1 hour, 1.5 hours, 2.5 hours, and 3 hours respectively, and the other steps are the same as in Example 1, and finally Eucommia is obtained Coarse glue. After purification in step (6), the refined gel was obtained, and the specific results are shown in Table 1 below.
[0039] Example
[0040] According to Table 1, it can be found that the longer the oxidation time is, the higher the purity of Eucommia crude gum is, but the more gum is oxidized, so the extraction rate is lower.
Embodiment 6-9
[0042] According to the preparation method of Example 1, change the number of cycles in step (3) 2 times, 3 times, 6 times, 8 times, and other steps are the same as in Example 1, and the Eucommia crude gum obtained is finally purified through step (6) Obtain fine glue, experimental result is as follows table 2:
[0043] Example
[0044] According to Table 2, it can be found that the more the number of cycles, the higher the purity of Eucommia crude gum, but the more the gum is oxidized, the lower the extraction rate.
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