The present invention relates to a method of making a powder from apple
peel by providing an apple peel, subjecting the apple peel to a
phytochemical preservation treatment, drying the treated apple peel, and
grinding the dried, treated apple peel to a powder. A powder from apple
peel having a phenolic content and a flavonoid content similar to fresh
apple peel on a fresh weight basis, where the powder has a water activity
of less than 0.30 is also disclosed. The present invention also relates
to a method of treating cancer in a patient by administering a powder
from apple peel to a patient under conditions effective to treat cancer.
Also disclosed is a method of inhibiting proliferation of cancer cells by
contacting cancer cells with a powder from apple peel under conditions
effective to inhibit proliferation of the cancer cells.
