Agent for preventing infection

A technology for preventing influenza and pharmaceuticals, applied in antiviral agents, pharmaceutical formulas, medical preparations containing active ingredients, etc., can solve the antigenic inconsistency between epidemic viruses and vaccines, antigenic changes, and children's vaccination is not compulsory Sexuality and other issues, to achieve the effect of preventing influenza virus infection and high safety

Inactive Publication Date: 2009-08-12
SNOW BRAND MILK PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because influenza viruses are prone to mutations such as antigenic shift and antigenic drift, the antigens of epidemic viruses and vaccines are not consistent in many cases, making the current prevention effect of vaccines unsatisfactory.
[0005] Therefore, vaccination of children is not compulsory at present

Method used

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  • Agent for preventing infection
  • Agent for preventing infection
  • Agent for preventing infection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Milk fat adjusted to a fat rate of 40% by mass was processed using a churn and separated into cream particles and buttermilk. Thereafter, a fat globule membrane component was obtained by freeze-drying the buttermilk thus obtained.

Embodiment 2

[0050] The same amount of water was added to milk fat adjusted to a fat percentage of 40% by mass, mixed, and centrifuged to prepare milk fat with a fat percentage of 40% by mass. This operation was repeated three times to remove non-fat milk components from the milk fat, A churn is then used to process this cream and separate it into cream particles and buttermilk. Thereafter, a fat globule membrane component was obtained by freeze-drying the buttermilk thus obtained.

Embodiment 3

[0052] The same amount of water was added to milk fat adjusted to a fat percentage of 40% by mass, mixed, and centrifuged to prepare milk fat with a fat percentage of 40% by mass. This operation was repeated three times to remove non-fat milk components from the milk fat, A churn is then used to process this cream and separate it into cream particles and buttermilk. Thereafter, the buttermilk was treated overnight with 50% saturated ammonium sulfate, and then centrifuged to collect the supernatant. Thereafter, the supernatant thus obtained was dialyzed against water, and then freeze-dried to obtain a highly concentrated fat globule membrane fraction.

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Abstract

An agent for preventing infection of influenza virus or a food and drink for preventing infection of influenza virus is provided. The agent for preventing infection of influenza virus and food and drink for preventing infection of influenza virus containing a fat globule membrane component as an active ingredient. The agent for preventing infection of influenza virus and food and drink for preventing infection of influenza virus containing a phospholipid with sphingosine and/or a derivative thereof, particularly sphingomyelin as an active ingredient.

Description

technical field [0001] The present invention relates to an agent for preventing influenza virus infection, the agent comprising a fat globule membrane component as an active ingredient. [0002] Furthermore, the present invention also relates to an agent for preventing influenza virus infection, which agent comprises sphingosine-containing phospholipids and / or derivatives thereof, especially sphingomyelin as an active ingredient. Background technique [0003] Influenza viruses infect humans through the air, causing epidemics almost every year. Although the threat has decreased in recent years due to improved sanitation and advances in medicine, it still causes death. [0004] There are three types of influenza viruses, type A, type B, and type C, among which type A virus is prone to mutate and easily cause a worldwide influenza pandemic. Influenza virus infection is mainly prevented by vaccination. However, because influenza viruses are prone to mutations such as antigeni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K35/20A61K31/661A23L1/30A61P31/16
Inventor 川上浩
Owner SNOW BRAND MILK PROD CO LTD
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