Coffea arabica                      Common name: Coffee
Family: Rubiaceae

Parts used: Kernels of the dried ripe seed

Identified Constituents:  Caffeine 1%-2% (less when roasted), Alkaloids (theobromine), Trigonelline, Chlorogenic acid, Polyamines, Tannins, B vitamins, Carbohydrates, Oil, Tannin, Sugars, Pentosans.

Medicinal actions: Nervine stimulant, Diuretic, Bitter, Laxative

Medicinal use: Due to its relatively high content of alkaloids (theobromine), it has a direct stimulating action on the central nervous system and a secondary diuretic effect. It potentiates the analgesic effect of aspirin and other non-steroidal anti-inflammatory drugs. Coffee is a bitter substance and is a powerful promoter of peristalsis  Additionally, coffee worsens anxiety type of depression.

Caffeine is also used to enhance exercise performance. Caffeine potentiates calcium release from skeletal muscle sarcoplasmic reticulum. Caffeine also increases fat breakdown, facilitates central nervous system transmission, reduces plasma potassium during exercise, increases force of muscle contraction at lower frequencies of stimulation and has a muscle glycogen sparing effect.

Pharmacy: Infusion: 1 Tbsp/cup infusion,1 cup QD – TID.

Toxicity: Short term consumption of coffee can cause diuresis, gastrointestinal distress (usually loose stool), tremors, insomnia, arrhythmia, agitation, and anxiety.