संस्कृत नाम- लाक्षावर्णंमुखं यस्य
Botanical name - Oryza sativa
Description - This is Oryza sativa Linn. of the family Graminae. Annual or perennial grass. Leaves long, narrow, hairy on margins. Spikelets many, in terminal panicles. Its roots, fruits and husk are used in medicine.
Chemical_Constituents- Leaves contain glucotricin. Grains contain vitamins. Seed oil (Rice bran oil) contains ethylidene sterols - tucosterol, 28-isocitrastadienol. Also contains diterpene lactones - momilactone A and momilactone B
Uses - Roots are diuretic and ash of husk is a fine abrasive constituent in tooth powder. The endosperm or rice is amyliferous and nutritive. Any gruel could be made sour by keeping it sealed in a vessel for seven days or until it is sour. It is filtered before use.