Bai Guo (Ginkgo Nut) (Oval-shaped, white outer shell, smooth, flattened oval kernel light yellow, powdery with space)

Bai Guo (Ginkgo Nut) (Sulfur fumigated below)

【Naming】

Bai Guo (Ginkgo Nut)

 【Source】

Daily Use Materia Medica – Ginkgo

 【Common Usage Level】

C

 【Botanical Origin】

The dried mature seeds of Ginkgo biloba L. (Ginkgoaceae) with the fleshy outer seed coat removed.

 【Characteristics】

The dried seeds are oval, slightly flattened, with a long diameter of 1.5~2.5㎝ and a short diameter of 1~1.5㎝. The outer shell (seed coat) is white or grayish-white, smooth, and hard, with 2 ridges winding around the edge. The top is gradually pointed, and the base has a round dot-shaped seed stalk scar. Inside the shell is a long and flattened oval kernel. When peeled, one end has a light brown film. The kernel is light yellow or yellow-green, powdery, with a space in the center. It has a slight odor, and a sweet, slightly bitter and astringent taste.

 【Processing】

1. Bai Guo (Ginkgo Nut) Kernel 2. Cooked Bai Guo (Ginkgo Nut)

 【Identification】

The best quality is indicated by a white outer shell, plump kernel, and a white wrapping.

 【Category】

Seeds