Rice

Botanical Overview

Rice (Oryza sativa) is a flowering plant in the Poaceae family. The traditional uses of this species reflect its genuine medicinal value, validated by generations of practical experience. The grass family (Poaceae) includes annual and perennial herbs with hollow, jointed stems and narrow leaves with parallel venation. The flowers are reduced and arranged in spikelets, and the fruits are grains (caryopses). This family provides the majority of the world’s food calories through cereals.

General Description

glaberrima, African rice. It was first domesticated in the Yangtze River basin in China 13,500 to 8,200 years ago. Oryza sativa belongs to the genus Oryza and the BOP clade in the grass family Poaceae. With a genome consisting of 430 Mbp across 12 chromosomes, it is renowned for being easy to genetically modify and is a model organism for the study of the biology of cereals and monocots.

ⓘ Information
Description adapted from Wikipedia (CC BY-SA 4.0).

Family Context

The Poaceae family is very large and globally distributed. Notable medicinal members include:

Geographic Distribution

Rice has been recorded in 10 countries and territories worldwide, including Afghanistan, Bangladesh, Ivory Coast, China, Indonesia, and others.

Traditional Uses

Rice has been traditionally used for digestive health, skin and wound care, and urinary tract health, among other applications.

Digestive health.

  • Diarrhea
  • Dyspepsia
  • Dysentery

For digestive complaints, the herb is typically prepared as a tea or decoction taken before meals. The bitter compounds stimulate digestive secretions and improve nutrient absorption. Some traditions use the powdered root or leaves in small doses as a stomachic tonic.

Skin and wound care.

  • Burn

For skin conditions, the fresh or dried plant is applied topically as a poultice, wash, or compress. A strong decoction can be used to clean wounds and sores. The antimicrobial properties help prevent infection while promoting tissue repair.

Urinary tract health.

  • Diuretic

Urinary tract applications typically involve drinking the herb as a mild tea, which increases urine production and helps flush the urinary system. It may be combined with other demulcent herbs to soothe irritated tissues.

Active Compounds

Phytochemical research has identified 30 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).

The identified compounds include the following categories:

  • Terpene: aromatic compounds with anti-inflammatory and antimicrobial properties
  • Alkaloid: nitrogenous compounds with diverse pharmacological activities
ⓘ Information
Information on this page is compiled from Dr. Duke’s Phytochemical and Ethnobotanical Databases (USDA ARS), a public domain resource. Consult a healthcare professional before using any herbal preparation.

Distribution and Conservation

Reported distribution: Afghanistan, Bangladesh, Ivory Coast, China, Indonesia, India, Laos, Philippines, Portugal, Thailand.

Complete Use Records

CategoryCultural Context
DiarrheaChina, Dominican Republic, Haiti, Iraq, Spain
TumorEast Indies, Mauritius, Puerto Rico
DyspepsiaChina, Kurdistan
FeverChina, Iraq
IntoxicantIndia, Japan
RefrigerantChina, Iraq
AbdomenChina
Antidote(Arsenic)China
AstringentChina
Beri-BeriElsewhere
BowelIraq
BreathChina
BurnElsewhere
Cancer(Breast)US(CA)
CataplasmPanama(Cuna)
ChestChina
CosmeticChina
DentifriceChina
DiureticChina
DysenteryIraq
EpistaxisChina
EyeChina
FilariasisChina
FluxChina
HematemesisChina
HidrosisChina
InflammationTurkey
IntestineIraq
LarvicideIndia
NauseaChina

Complete Chemical Inventory

CompoundFormulaMW
(+)-DEHYDROVOMIFOLIOLC₁₃H₁₈O₃222.28 Da
1-RHAMNONO-1,4-LACTONEC₆H₁₀O₅162.14 Da
12(S),13(S)-EPOXY-11(R)-HYDROXY-OCTADECA-CIS-9,CIS15-DIEN-1-OIC-ACID
12(S),13(S)-EPOXY-11(S)-HYDROXY-OCTADECA-CIS-9,CIS15-DIEN-1-OIC-ACID
15,16-DIHYDROCORONARIC-ACID
2,4-DINITROPHENYLHYDRAZONE
2-C-HYDROXY-METHYL-D-ERYTHRONO-1,4-LACTONE
2-C-METHYL-D-ERYTHRONO-1,4-LACTONEC₅H₈O₄132.11 Da
2-DEOXY-D-LYXONO-1,4-LACTONE
24-METHYL-24-METHOXYCYCLOARTANOLC₃₂H₅₆O₂472.8 Da
24-METHYLENE-CYCLOARTANOLC₃₁H₅₂O440.7 Da
25-ETHOXY-24-METHOXYCYLCOARTANOLC₃₂H₅₆O₃488.8 Da
25-HYDROXY-24-METHOXYCYCLOARTANOLC₃₀H₅₂O₃460.7 Da
3-DEOXY-D-ARABINO-HEXONO-1,4-LACTONE
5'O-(BETA-D-GLUCOPYRANOSYL)-PYROXIDINE
9,10-DIOXYSTEARIC-ACID
ACETALDEHYDEC₂H₄O44.05 Da
ACETONEC₃H₆O58.08 Da
ADENINEC₅H₅N₅135.13 Da
ALLANTOINC₄H₆N₄O₃158.12 Da
ALPHA-GLUCAN
ALPHA-TOCOPHEROLC₂₉H₅₀O₂430.7 Da
AMYLOSE
ANTHERAXANTHINC₄₀H₅₆O₃584.9 Da
ARABINOSEC₅H₁₀O₅150.13 Da
ARACHIDIC-ACIDC₂₀H₄₀O₂312.5 Da
ARSENICAs74.92159 Da
ARUNDOINC₃₁H₅₂O440.7 Da
ASCORBIC-ACIDC₆H₈O₆176.12 Da
ASH

Data from PubChem (NIH/NLM, public domain).


References & Further Reading

External Research Links

Data Sources