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Method for preparing drug for preventing and treating freshwater fish disease from litsea cubeba essential oil and dithiocyano-methane

A technology of dithiocyanomethane and litsea cubeba, applied in botany equipment and methods, chemicals for biological control, biocides, etc., can solve the problem of high cost, unsuitable for pond aquaculture production, poor effect, etc. problem, to achieve the effect of ensuring the safety of aquatic food

Active Publication Date: 2014-03-12
FUJIAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current alternative drugs such as methylene blue, glutaraldehyde, and potassium dichromate are not suitable for edible fish. Chelated copper and phosphorothioate are not effective in aquaculture water environments, and table salt is only suitable for Few varieties and high cost are not suitable for pond culture production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Accurately weigh 1.5 kg of dithiocyanomethane, add 8.5 kg of dimethylformamide, heat up to 35°C, stir for 20 minutes, keep the temperature and let it stand for 24 hours, filter to remove the filter residue to obtain component A.

[0036] (2) Accurately weigh 8 kg of litsea cubeba essential oil, add 32 kg of ethanol, stir for 45 minutes, and let stand for 18 hours to obtain component B.

[0037] (3) Add component A to component B, mix well, then add 1.5 kg of laurocapram, raise the temperature to 45°C, stir for 30 minutes, keep the temperature and let it stand for 18 hours, filter and remove the filter residue to obtain the Litsea grass according to the present invention A mixture of essential oils and dithiocyanomethane.

[0038] Litsea cubeba essential oil used in this example was purchased from Jiangxi Ji’an Perfume Factory, with a citral content of 67%; dithiocyanomethane was purchased from Changzhou Bokai Chemical Co., Ltd., with a content of ≥98.6%); ethanol co...

Embodiment 2

[0046] (1) Accurately weigh 4.6 kg of dithiocyanomethane, add 6 kg of dimethylformamide, raise the temperature to 35°C, stir for 20 minutes, keep the temperature and let it stand for 24 hours, filter and remove the filter residue to obtain component A.

[0047] (2) Accurately weigh 26 kg of litsea cubeba essential oil, add 80 kg of ethanol, stir for 45 minutes, and let it stand for 18 hours to obtain component B.

[0048] (3) Add component A to component B, mix well and then add 2 kg of laurocapram, raise the temperature to 45°C, stir for 30 minutes, keep the temperature and let it stand for 18 hours, filter and remove the filter residue to obtain the Litsea quinquefolium of the present invention A mixture of essential oils and dithiocyanomethane.

[0049] It was determined that the relative density (20°C) of the medicament prepared in this example was 0.8875, and the conductivity (20°C) was 198 μs / cm.

[0050] The medicament prepared in this example was applied to the saprol...

Embodiment 3

[0056] (1) Accurately weigh 3 kg of dithiocyanomethane, add 13 kg of dimethylformamide, heat up to 35°C, stir for 20 minutes, keep the temperature and let it stand for 24 hours, filter to remove the filter residue to obtain component A.

[0057] (2) Accurately weigh 20 kg of litsea cubeba essential oil, add 65 kg of ethanol, stir for 45 minutes, and let stand for 18 hours to obtain component B.

[0058] (3) Add component A to component B, mix well, then add 1.5 kg of laurocapram, raise the temperature to 45°C, stir for 30 minutes, keep the temperature and let it stand for 18 hours, filter and remove the filter residue to obtain the Litsea grass according to the present invention A mixture of essential oils and dithiocyanomethane.

[0059] It was determined that the relative density (20°C) of the medicament prepared in this example was 0.855, and the conductivity (20°C) was 194 μs / cm.

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PUM

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Abstract

The invention relates to the technical field of prevention and treatment of freshwater fish fungal disease, and particularly relates to a method for preparing a drug for preventing and treating a freshwater fish disease from litsea cubeba essential oil and dithiocyano-methane. The method comprises the steps of taking dithiocyano-methane in preparation, adding dimethyl formamide, heating, agitating, standing and filtering to remove filter sludge to obtain a component A; taking litsea cubeba essential oil, adding ethanol to agitate and stand to obtain a component B; adding the component A into the component B, evenly mixing and adding azone; heating to 35-45 DEG C, keeping the temperature and standing for 18-28 hours after agitating; and filtering to remove filter sludge, so as to obtain the mixed drug of the litsea cubeba essential oil and dithiocyano-methane. The efficient and low-toxic fishery preparation which is no residue in a target animal body and easy to degrade in a water environment is inverted by taking the litsea cubeba essential oil as a main material; mould suppression drugs such as malachite green, crystal violet and the like are completely replaced; the aquatic food safety is guaranteed from a source; the fungal disease in a breeding process is controlled; and the food safety is also ensured.

Description

technical field [0001] The invention relates to the technical field of freshwater fish disease prevention and control, in particular to a method for preparing a freshwater fish fungal disease prevention and control agent by mixing litsea cubeba essential oil and dithiocyanomethane. Background technique [0002] Litsea Cubeba Essential Oil is a plant essential oil extracted from the fruit of Zanthoxylum bungeanum, a plant of the genus Zingiberaceae, containing more than 66% citral, which is a natural fragrance. Litsea cubeba essential oil production in my country ranks first in the world, with an output of more than 3,000 tons in 2010. There are abundant natural resources in Fujian, Jiangxi, Hunan, Guizhou and other provinces. Litsea cubeba essential oil is mostly exported as crude oil, and there are few refined domestic products with low added value. [0003] Litsea cubeba essential oil is one of the natural plants with the widest antibacterial spectrum and strong medicinal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/24A01N47/48A01P3/00
Inventor 林岗饶小珍陈由强高如承其他发明人请求不公开姓名
Owner FUJIAN NORMAL UNIV