Food intake regulator

1. A method of suppressing food intake in a mammalian subject, comprising

orally administering an active ingredient to a mammalian subject in an effective amount to suppress food intake, wherein the active ingredient is at least one of a lyophilized fish brain, lyophilized parts thereof and a lyophilized fish pituitary gland.

2. A method according to claim 1 , wherein the active ingredient is administered in an amount selected from a range of 0.1 to 2000 mg/kg body weight/day.

3. A method according to claim 1 , wherein the active ingredient is administered in a form of a composition comprising the active ingredient and a carrier or a diluent.

4. A method according to claim 1 , wherein the active ingredient is formulated in a form of a pharmaceutical, a food or a quasi drug.

5. An oral food intake suppressing composition for a administration to a mammalian subject comprising

an amount of an active ingredient effective and to suppress food intake

a carrier or a diluent,

wherein the active ingredient is at least one of a lyophilized fish brain, lyophilized parts thereof and a lyophilized fish pituitary gland.

6. The oral composition according to claim 5 , wherein the active ingredient is present in an amount of 0.1 weight % to 70 weight % of the oral composition.

7. A composition according to claim 5 , which is a pharmaceutical, a quasi drug or a food.

8. The method of claim 1 , wherein the lyophilized lyophilized fish brain is obtained by

extracting a fish brain from a fish;

freezing the extracted fish brain; and

drying the frozen fish brain under a reduced pressure to obtain the lyophilized fish brain.

9. The oral composition of claim 5 , wherein the lyophilized lyophilized fish brain is obtained by

extracting a fish brain from a fish;

freezing the extracted fish brain; and

drying the frozen fish brain under a reduced pressure to obtain the lyophilized fish brain.