Guava leaf and new application of extract thereof

A technology of guava leaves and extracts, which is applied in the direction of chemicals used for biological control, medical preparations containing active ingredients, applications, etc., can solve the problems of unfavorable living environment stability of shrimp and damage to the ecological balance of shrimp ponds, and achieve Prevention of virus transmission, less drug resistance and drug residues, and resource-rich effects

Inactive Publication Date: 2011-01-19
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In traditional prevention and control methods, chemical disinfectants are mainly used to disinfect water bodies to block their spread in water. However, chemical disinfectants may a...

Method used

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  • Guava leaf and new application of extract thereof
  • Guava leaf and new application of extract thereof
  • Guava leaf and new application of extract thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The preparation of embodiment 1 guava leaf powder

[0011] Get guava leaf 10g, pulverize according to the conventional method, sieve and make guava leaf powder, subpack after sterilization, directly sprinkle in the mariculture water body when using and make the concentration of guava leaf powder in the culture water body be 1-100g / ton of water is enough.

Embodiment 2

[0012] The preparation of embodiment 2 guava leaf water extract

[0013] Take 1g of guava leaves, crush and sieve, soak in 99mL of water, soak at room temperature for 24 hours, then autoclave at 121°C for 20min, centrifuge at 5000g for 15min to remove the medicinal residues, store it in a sealed container at 4°C as a stock solution, and store it for later use. The concentration of the guava leaf extract is equivalent to 10mg / mL. When used, it is directly thrown into the seawater aquaculture water body and the concentration of the guava leaf extract in the aquaculture water body is 1-100g / ton of water.

[0014] The above-mentioned embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above-mentioned embodiment, and any other changes, modifications, substitutions, combinations, Simplification should be equivalent replacement methods, and all are included in the protection scope of the present invention. ...

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Abstract

The invention discloses a guava leaf and an application of an extract thereof in preparing medicines for preventing or treating white spot syndrome virus. The guava leaf has the advantages of rich resource, low cost, convenient processing, lower resistance to drugs and drug residue, and little toxic and side effects. The guava leaf and the extract thereof can effectively kill white spot syndrome virus in water so as to reduce the possibility of propagating the virus in the water, thereby achieving the purpose of preventing the propagation of the virus.

Description

technical field [0001] The invention relates to the application of guava leaves and its extracts in the preparation of medicines for preventing or treating prawn white spot syndrome virus WSSV, belonging to the technical field of aquaculture. Background technique [0002] After nearly 30 years of rapid development, the shrimp farming industry has become an important part of my country's rural economy, and has played an important role in improving the employment and economic income of farmers and fishermen in coastal areas. However, with the continuous expansion of the scale and the deterioration of the environment, the problem of prawn diseases has become increasingly serious, which has brought huge economic losses to the prawn farmers. Since Couch reported the first case of baculovirus (BP) in 1974, the found prawn Disease pathogens include more than 40 kinds of viruses, bacteria, fungi, Rickettsia and parasites. Among the many diseases, viral diseases and bacterial disease...

Claims

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Application Information

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IPC IPC(8): A01N65/28A01P1/00A61K36/61A61P31/12A61K127/00
Inventor 郭志勋李卓佳冯娟王瑞旋
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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