Ginkgo kernels are the dried and mature seeds of Ginkgo biloba (Ginkgo tree, Ginkgo tree). Harvest the seeds when they are mature in autumn, remove the fleshy outer testa, wash them, steam or boil them briefly, and then dry them.

Ginkgo is the seed of Ginkgo biloba.

The difference lies in whether the fleshy outer testa is removed, washed, slightly steamed or boiled, and then dried.