Standardized Plant Extract - TITREX®

Boldo

The Chilean tree: Cholagogue and hepatoprotective from the Andes

Latin name

Peumus boldus Molina

Family

Monimiaceae

History & Botany

Boldo is a small evergreen tree endemic to the arid and rocky slopes of the Chilean and Peruvian Andes. Archaeological findings attest to medicinal use dating back more than 12,000 years by the indigenous Andean peoples, who consumed it as an infusion to treat liver, digestive, and biliary disorders. The founding anecdote of its scientific discovery is fascinating: a flock of sheep weakened by liver problems reportedly ate a freshly built fence made of boldo branches and quickly recovered their health.

This event prompted researchers to study the plant, leading to the isolation of boldine in the second half of the 19th century. Boldo was introduced to Europe around 1870 by pharmacists Bourgoin and Verne. Rapidly integrated into the German, French, Spanish, and Swiss pharmacopoeias, it is now recognized by the Commission E and the European Pharmacopoeia. Acclimatized in southern France and the Mediterranean region, it grows there in a naturalized state.

Morphology

Small evergreen tree, 3 to 6 meters tall, with a very bushy habit. Small, round, leathery leaves, rough like a cat's tongue, covered with small essential oil vesicles visible against the light. White flowers in clusters, slightly fragrant. When the leaves are crushed, they release a pleasant aromatic odor reminiscent of mint and lemon balm.

Part used & extraction

The dried leaves (Peumus boldus Molina, folium), harvested in summer at maximum boldine concentration, dried in the shade, and extracted via hydro-alcoholic extraction. Short courses recommended (< 4 weeks) due to the ascaridole content in the essential oil. Main producers: Chile, Peru, Argentina.

Peumus boldus Molina

Rough, leathery leaves and white flowers of the Andean endemic tree

Organoleptic Characteristics

Appearance

Leaves are green, small, and round, rough to the touch — a unique characteristic texture. Dry extract powder is brown-green to ochre-brown, fine.

Odor

Aromatic and fresh, reminiscent of mint and lemon balm, with a slightly camphorated note. Very pleasant and recognizable. The leaf vesicles release the essential oil when crushed.

Taste

Bitter, slightly camphorated, and pungent, aromatic and persistent. The bitterness, due to boldine, is a direct marker of the richness in active principles of the extract.

Infusion

Liquid is light yellow-green, with a characteristic aromatic fragrance, slightly cloudy. Pleasant bitter and camphorated taste. Often combined with mint or dandelion in digestive herbal teas.

Active Principles & Biochemistry

Medicinal Properties & Traditional Use

Cholagogue & Choleretic

Unique dual biliary action: stimulates the production of bile by the liver (choleretic) AND promotes its evacuation into the intestine (cholagogue). Balancing action of all hepatobiliary functions. Sovereign for digestive sluggishness, postprandial heaviness, and small gallstones.

Hepatoprotective & Antioxidant

Boldine protects hepatic mitochondria from oxidative stress and membrane lipoperoxidation. Anti-tumor promoter effects, anti-atherogenic, and neuroprotective effects studied in numerous models. Supports the liver during exposure to dietary toxins, alcohol, or aggressive drug treatments.

Digestive & Diuretic

Stimulates gastric secretions and improves overall digestive comfort. Mild diuretic promoting renal elimination of urea, useful for mild cystitis and minor urinary tract infections. Recognized intestinal spasmolytic, relieving bloating and nerve-related spasms.

Neuroprotective & Antidiabetic

Boldine is emerging as a molecule of interest in neurology: protective of neurons against oxidative stress, it shows neuroprotective effects in in vitro models of Parkinson's and Alzheimer's diseases. Documented antidiabetic properties (improved insulin sensitivity and reduced fasting glycemia in preclinical studies).