The tiny seed of the opium poppy, used as a human food and the source of poppy-seed oil. The seeds are small (less than 1 mm in length), and greyish blue to dark blue in colour.
Maw seed contains from 44 to 50% oil.
Most literature says that Maw seeds have no narcotic properties, because the fluid contained in the bud that becomes opium is present only before the seeds are fully formed.
Popular opinion indicates that Maw seed is an essential seed added to egg and biscuit. The maw seed often encourages the feeding hen to pick at the seed. Especially good when a hen is slow to feed her young.