| abstract |
A deterioration preventive agent, a fooddeterioration preventive agent, a deterioration preventive agent for fragrance-containing products, and a deterioration preventive agent for perfumes such as flavors and fragrances, each of which contains a sterol as the active ingredient are disclosed. The deterioration preventive agent of the present invention provides excellent quality retention effects on foods and fragrance-containing products and also is gentle to the environment and people. |