Feeds and fertilizers containing pentacyclic triterpenes

A method for breeding animals comprising administering to an animal in need of such breeding a compound selected from the group consisting of pentacyclic triterpenes, physiologically acceptable salts thereof and derivatives thereof as a feed.

A fertilizer comprising a compound selected from the group consisting of pentacyclic triterpenes, physiologically acceptable salts thereof and derivatives thereof, as an effective component.

A fertilizer comprising a defatted product derived from olive plants, an extracted product derived from olive or an extracted oil derived from olive, as an effective component.

A fertilizer comprising maslinic acid or ursolic acid as an effective component;

• oil meal;
• and a mineral mixture.

A melanin production-inhibitory agent for animals and plants comprising a compound selected from the group consisting of pentacyclic triterpenes, physiologically acceptable salts thereof and derivatives thereof, as an effective component.

A melanin production-inhibitory agent for animals and plants comprising a defatted product derived from olive plants, an extracted product derived from olive or an extracted oil derived from olive, as an effective component.

A blackening/browning-inhibitory composition for animals and plants comprising a compound selected from the group consisting of pentacyclic triterpenes, physiologically acceptable salts thereof and derivatives thereof, as an effective component.

A blackening/browning-inhibitory composition comprising a defatted product derived from olive plants, an extracted product derived from olive or an extracted oil derived from olive, as an effective component.

A food or beverage comprising an animal and/or a plant to which a compound selected from the group consisting of pentacyclic triterpenes, physiologically acceptable salts thereof and derivatives thereof, as an effective component is administered or applied till the blackening/browning-inhibitory index thereof is not less than 115.

A method for preparing a feed or a fertilizer comprising the step of treating olive plants or dried products, pulverized products or defatted products thereof with water and/or an organic solvent to give an extracted product having a total content of pentacyclic triterpenes, physiologically acceptable salts thereof and derivatives thereof ranging from 0.1 to 99.99% by mass.

A method for preventing or improving the blackening and/or browning of an animal or plant body comprising the step of providing a compound selected from the group consisting of pentacyclic triterpenes, physiologically acceptable salts thereof and derivatives thereof to an animal or a plant.

A method for preventing or improving the blackening and/or browning of an animal or plant body comprising the steps of:

• (a) dissolving a compound selected from the group consisting of pentacyclic triterpenes, physiologically acceptable salts thereof and derivatives thereof in water or a water-containing organic solvent to prepare a solution;
• and
• (b) immersing an animal or a plant in the solution prepared in the step (a).

A method for preventing the melanin production in an animal or plant body, comprising the step of administering or applying a compound selected from the group consisting of pentacyclic triterpenes, physiologically acceptable salts thereof and derivatives thereof to an animal or a plant.