초록 ▼

Proanthocyanidin-containing compositions with excellent proanthocyanidin stability, as well as drinks, foods, cosmetics and medicaments containing these compositions, are provided by admixing a vitamin B6derivative or its salt in proanthocyanidin. Also shown is a method for stabilizing proanthocyani

Proanthocyanidin-containing compositions with excellent proanthocyanidin stability, as well as drinks, foods, cosmetics and medicaments containing these compositions, are provided by admixing a vitamin B6derivative or its salt in proanthocyanidin. Also shown is a method for stabilizing proanthocyanidin to prevent its color change, etc. caused by oxidative polymerization and the like.

대표청구항 ▼

1. A composition containing proanthocyanidin obtained from a fruit of a plant belonging to the genus Malus, and a vitamin B6derivative or a salt thereof. 2. The composition as claimed in claim 1, wherein the concentration of said vitamin B6derivative or the salt thereof ranges from 0.001 to 1% by we

1. A composition containing proanthocyanidin obtained from a fruit of a plant belonging to the genus Malus, and a vitamin B6derivative or a salt thereof. 2. The composition as claimed in claim 1, wherein the concentration of said vitamin B6derivative or the salt thereof ranges from 0.001 to 1% by weight based on the total weight of the composition. 3. The composition as claimed in claim 1, wherein the concentration of proanthocyanidin ranges from 0.01 to 20% by weight based on the total weight of the composition. 4. The composition as claimed in claim 1, wherein the concentration of said vitamin B6derivative or the salt thereof ranges from 0.001 to 1% by weight based on the total weight of the composition and the concentration of proanthocyanidin ranges from 0.01 to 20% by weight based on the total weight of the composition. 5. The composition as claimed in any of claims 1 to 4, wherein said vitamin B6derivative is selected from the group consisting of pyridoxine, pyridoxal, pyridoxamine and phosphates thereof. 6. A drink containing the composition as claimed in any of claims 1 to 4. 7. The drink as claimed in claim 6, which is selected from the group consisting of a fruit liquor, a fruit drink and a health drink. 8. A food containing the composition as claimed in any of claims 1 to 4. 9. A cosmetic containing the composition as claimed in any of claims 1 to 4. 10. A medicament containing the composition as claimed in any of claims 1 to 4. 11. A method of stabilizing proanthocyanidin comprising the steps of: selecting a proanthocyanidin obtained from a fruit of a plant belonging to the genus Malus; and blending said proanthocyanidin with a vitamin B6derivative or a salt thereof. 12. The composition as claimed in claim 1, wherein said proanthocyanidin is an extract containing proanthocyanidin obtained from a fruit of a plant belonging to its genus Malus. 13. The composition as claimed in claim 12, wherein said extract was extracted using a solvent. 14. The composition as claimed in claim 13, wherein the solvent is at least one solvent selected from the group consisting of water, alcohols, ketones and esters. 15. The composition as claimed in claim 13, wherein the solvent is at least one solvent selected from the group consisting of water, ethanol, methanol, isopropyl alcohol, acetone, methyl ethyl ketone, methyl acetate and ethyl acetate.