Nepenthes extract mosquito-repellent liquid and preparation method thereof
A technology of wormwood extract and pitcher plant, applied in botany equipment and methods, chemicals for biological control, biocides, etc., can solve health threats, many influencing factors, increase dosage, etc. problem, to achieve the effect of simple production method, favorable price and easy access to raw materials
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Embodiment 1
[0026] A mosquito-repellent incense liquid extracted from pitcher plant is made of the following medicines in parts by weight:
[0027] 110 parts of Nepenthes extract, 67 parts of Wormwood extract, 33 parts of Plum extract, 8 parts of lavender extract, 40 parts of deionized water and 30 parts of ethanol.
[0028] The preparation method of above-mentioned Nepenthes extract mosquito-repellent incense liquid consists of the following steps:
[0029] (1) Nepenthes extract: Remove impurities from Nepenthes, dry them, cut them into small pieces of 2 cm, put them into an ultrafine pulverizer and pulverize them into powders with a mesh size of 300 mesh, add 11 times the mass of ethanol at 50 Under reflux extraction for 10 h at ℃, the filtrate was collected by normal pressure filtration, and the extract was concentrated under reduced pressure to one-tenth of the volume of the original solution to obtain the Nepenthes extract;
[0030] (2) Artemisia wormwood extract: Remove impurities ...
Embodiment 2
[0035] A mosquito-repellent incense liquid extracted from pitcher plant is made of the following medicines in parts by weight:
[0036] 160 parts of Nepenthes extract, 94 parts of Wormwood extract, 51 parts of Muscarina extract, 20 parts of lavender extract, 60 parts of deionized water and 55 parts of ethanol.
[0037] The preparation method of above-mentioned Nepenthes extract mosquito-repellent incense liquid consists of the following steps:
[0038] (1) Nepenthes extract: Remove impurities from Nepenthes, dry them, cut them into 6cm segments, put them into an ultrafine pulverizer and pulverize them into powders with a mesh size of 500 mesh, add 15 times the mass of ethanol at 65 Under reflux extraction for 15 hours at ℃, the filtrate was collected by normal pressure filtration, and the extract was concentrated under reduced pressure to one-tenth of the volume of the original solution to obtain the Nepenthes extract;
[0039] (2) Artemisia wormwood extract: Remove impuritie...
Embodiment 3
[0044] A mosquito-repellent incense liquid extracted from pitcher plant is made of the following medicines in parts by weight:
[0045] 120 parts of Nepenthes extract, 76 parts of Artemisia wormwood extract, 39 parts of Muscarina extract, 12 parts of lavender extract, 45 parts of deionized water and 35 parts of ethanol.
[0046] The preparation method of above-mentioned Nepenthes extract mosquito-repellent incense liquid consists of the following steps:
[0047] (1) Nepenthes extract: Remove impurities from Nepenthes, dry them, cut them into 3cm segments, send them into an ultrafine pulverizer and pulverize them into powders with a mesh size of 350 mesh, add 12 times the mass of ethanol at 55 Reflux extraction at ℃ for 11 hours, filter and collect the filtrate under normal pressure, concentrate the extract under reduced pressure to one-tenth of the volume of the original solution, and obtain the Nepenthes extract;
[0048] (2) Artemisia wormwood extract: remove impurities fro...
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