Powdered Amomum Seed
Amomi Semen Pulveratum
Powdered Amomum Seed is the powder of Amomum Seed.
Description:
Powdered Amomum seed occurs as a grayish brown powder, and has a characteristic aroma and an acrid taste.
Under a microscope, Powdered Amomum Seed reveals fragments of wavy perisperm cells filled with starch grains and containing in each cell a calcium oxalate crystal; yellow and long epidermal cells of seed coat and fragments of thin-walled tissue perpendicular to them; fragments of groups of brown, thick-walled polygonal stone cells.
Total ash:
Not more than 9.0z.
Acid-insoluble ash:
Not more than 3.0z.
Essential oil content:
Perform the test with 30.0 g of Powdered Amomum Seed: the volume of essential oil is not less than 0.4 mL.
Containers and storage:
Containers.Tight containers.
