Griffonia simplicifolia seed

What the Griffonia seed is ok?

1.the peel is black, open the peel , it should green - yellow color

2.diameter is about 2cm, less than 2cm diameter are not good they are black inside some time.

3. All need dried seed, not mold

4. Specification(latin name) is:

       CAS Number: 56-69-9

    Botanical Name: Griffonia simplicifolia (Vahl ex DC) Baill

    Part Used:  Seed

    Source of Plant: Ghana

In common, Griffonia seed dried, diameter is about 2cm, outside color is black, inside color is yellow-light green dried,  5-Hydroxy-L-Tryptophan content could reach more than 10%-14%.