Veterinary-use radix daphniphylli calycini and red-knees herb granule and application thereof to chicken necrotic enteritis
A granule, the technology of Fengyao, which is applied in the field of veterinary Fengyao granule and its application in chicken necrotic enteritis, can solve the problems of harming the human body, water and soil pollution, and potential safety hazards, and achieve the reduction of exudation, The effect of preventing chicken diarrhea
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Embodiment 1
[0065] Example 1 A kind of extraction process of Polygonum japonica
[0066] Weigh 20 g of Polygonum japonica powder (Materia japonica: Polygonum japonica = 2:1), place it in a 500ml round bottom flask, use ethanol with a concentration of 55%-75% by volume as the extraction solvent, and the amount of ethanol solution added is 8-12 times as much as the mixture of Polygonum spicosa, soak for 1 hour, and carry out reflux extraction, the extraction time is 60-120 minutes, and the number of extractions is 1-3 times. Set up 7 treatment groups according to different ethanol concentrations, addition amount of ethanol solution, extraction times, and reflux time, see Table 1 for details, the extracts were filtered and combined to obtain the alcohol extract of Polygonum japonica.
[0067] Table 1 Ethanol extraction process of Polygonum japonica
[0068]
[0069] Water was used as the extraction solvent for the control. Weigh 20g of maple leaf powder (Aerial maple: Polygonum capericu...
Embodiment 2
[0138] Embodiment 2 A kind of preparation technology of maple Polygonum granule
[0139] Mix 1160g Fructus Fructus Fructus and 580g Polygonum capericum, add 10 times the weight of 65% ethanol to reflux and extract twice, each time for 60min, and combine the extracts; centrifuge the combined extracts at 6000r / min for 10min; take the supernatant in Concentrate under reduced pressure at 60°C at 0.08mpa to a relative density of 1.15-1.25 to obtain the extract of Polygonum punctatus, with a yield of 23%, and an average content of total flavonoids in the extract of 30.28±0.45mg / g; vacuum-dried at 80°C into powder to obtain 400 g of Polygonum japonica extract, and the total flavonoid content in the Polygonum japonica extract was 18.67±0.58 mg / g.
[0140] Dextrin and sucrose are mixed according to the weight ratio of 3:2 to obtain auxiliary materials, and the extract of Polygonum japonica and auxiliary materials are mixed according to the weight ratio of 1:1.5, and 85% ethanol is used...
Embodiment 3
[0145] Example 3 A preparation process of Fengyao granules
[0146] Mix 1160g maple japonica and 580g Polygonum capericum, add 10 times the amount of 65% ethanol to reflux for extraction twice, each time for 60min, and combine the extracts; centrifuge the combined extracts at 6000r / min for 10min; take the supernatant at 0.08 Concentrate under reduced pressure at 50°C-70°C under mpa to a relative density of 1.15-1.25 to obtain Polygonum officinalis extract, and determine the average content of total flavonoids in the extract. The experimental results are shown in Table 12. The extract was vacuum-dried at 80°C into powder to obtain the Polygonum japonica extract.
[0147] Table 12 Concentration test result table (n=3)
[0148]
[0149] It can be seen from Table 12 that the total flavonoid content is the highest at 60°C and the lowest at 70°C, there is little difference between 50°C and 60°C, but the difference between 70°C and 60°C is relatively large, because the higher the...
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