The seedlings contain an alkaloid hordenine (beta-p-hydroxyphenethyl dimethylamine). Saponins afforded diosgenin and yamogenin isolated from the leaves.
The grains contain 10—18% of proteins which include prolamin, glutelin and smaller amounts of albumin and globulin. The protein has a biological value of 56% and a digestibility coefficient of 91% at 10% level of protein intake.
In Indian medicine, Chinaaka and Kangu
(Setaria italica L. Beauv.) are synonyms.
Papaver rhoeas L.
Family
Papaveraceae.
Habitat Kashmir and throughout the plains of North India; cultivated in gardens.
English Corn Poppy, Red Poppy.
Ayurvedic Rakta Posta.
Siddha/Tamil Sivappu, Kasakasa.
Folk Laal Posta, Laal Kaskas.
Action Latex from capsules— narcotic. Petal—expectorant, antitussive, sudorific. Used for
diseases of the respiratory tract, for disturbed sleep and as a sedative for the relief of pain. (Included among unapproved herbs by
German
Commission E.)
The petals contain cyanidine derivatives. An alkaloid rhoeadine is present in leaves and flowers (0.031%), unripe capsules (0.035%) and in roots

(0.015%). The capsules contain morphine, thebine and narcotine and me- conic acid.
Other species, commonly grown in Indian gardens, are
P nudicaule Linn. (Iceland Poppy) and P orientale (Oriental Poppy). P nudicaule plants with yellow flowers are more cyanogenetic than those with red or white flowers. P orientale contains 0.16% alkaloids, which include thebaine, isothebaine, protopine, glaucidine and oripavine. Isothebaine stimulates and later depresses the central nervous system.

Papaver somniferum Linn.

Family Papaveraceae.

Habitat Native to Asia; now grown in Uttar Pradesh, Punjab, Rajasthan and Madhya Pradesh.
English Opium Poppy.
Ayurvedic Ahiphena, Aaphuuka. Post-daanaa (seed).
Unani Afyum. Tukhm-ekhashkhaash (seed).
Siddha/Tamil Kasakasa (seeds).

Encyclopedia of Ayurvedic Medicinal Plants

A Candle of Medicinal Herb’s Identification and Usage