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
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Publication Date
- 2016-12-14
- Estimated Expiration
- Not applicable · inactive patent
Abstract
Description
technical field
[0001] The invention belongs to the field of mosquito-repellent incense, and in particular relates to a mosquito-repellent incense liquid extracted from nepenthes and a preparation method thereof. Background technique
[0002] In the south, there will be mosquitoes in spring, summer and autumn, and summer is the period when mosquitoes are most active. Mosquitoes that never give up always make people unable to sleep well and have a good night's sleep. They are annoying and seriously affect people's normal life, work, study and rest. What's more serious is that mosquito bites will spread Various diseases have brought serious threats to people's health; and mosquito-repellent incense, as a kind of mosquito repellent product, has already flown into ordinary people's homes, and the use of electric mosquito-repellent liquid is becoming more and more common, but the aspects involved in electric-heated mosquito-repellent liquid are relatively Wide, there are many in...
Examples
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...