Proanthocyanidin-containing compositions with excellent proanthocyanidin
stability, as well as drinks, foods, cosmetics and medicaments containing
these compositions, are provided by admixing a vitamin B.sub.6 derivative
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.