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Updated: 1 20, 2025

Peumus boldus

What is Peumus boldus?

Peumus boldus is a deciduous shrub or small tree native to the Andes mountains of South America, specifically in Chile and Argentina.

It belongs to the family Myricaceae and is a member of the genus Peumus. The plant grows up to 5 meters in height, with a broad, rounded crown and a straight, columnar trunk. Its leaves are simple, alternate, and elliptical to obovate, measuring 8-15 centimeters in length, with a dark green color on the upper surface and a pale greenish-yellow color on the lower surface.

The leaves have a leathery texture and a slightly wavy margin, with 10-20 pairs of secondary veins.

What ailments can you heal with this herb?

The most common ailments you can heal with Peumus boldus are hepatitis, gallstones, digestive issues, jaundice, liver cirrhosis, and pancreatitis, due to its hepatoprotective properties, which help prevent liver cell damage.

Additionally, Peumus boldus has been proven to effectively dissolve kidney stones, reduce the risk of cholecystitis, lower high blood pressure, alleviate diarrhea, and treat skin conditions such as eczema and acne. Furthermore, its anti-inflammatory properties have been shown to reduce the symptoms of arthritis, while also providing relief from constipation and gastroenteritis. Moreover, Peumus boldus has been found to lower high cholesterol levels, prevent cancer through its antioxidant properties, and even treat hepatic encephalopathy.

By reducing inflammation and stress, Peumus boldus also helps alleviate anxiety.

What are the therapeutic properties this herb?

The main therapeutic properties of Peumus boldus are its antioxidant, antimicrobial, anti-inflammatory, hepatoprotective, and antispasmodic activities.

The plant's hepatoprotective properties are attributed to the presence of flavonoids and saponins, which have been shown to reduce liver damage and inflammation. Antioxidant activity is also present, particularly due to the volatile oils and phenolic compounds that neutralize free radicals and protect against oxidative stress. The plant's antimicrobial properties are responsible for its ability to inhibit the growth of various microorganisms, including bacteria and fungi.

The antispasmodic and anti-inflammatory activities of Peumus boldus are mediated by the glycosides and coumarins present in the plant, which help to relax smooth muscles and reduce inflammation.

What are the medicinal constituents this herb?

The most important healing constituents of Peumus boldus are boldine, quercetin, kaempferol, isoboldine, and isorhapontigenin.

Boldine, a major alkaloid, exhibits antioxidant, anti-inflammatory, and hepatoprotective properties, effectively reducing oxidative stress and inflammation in the liver. Quercetin and kaempferol, two flavonoids, possess potent antioxidant and anti-inflammatory activities, scavenging free radicals and inhibiting the production of pro-inflammatory mediators. Isoboldine, a minor alkaloid, has been shown to possess antimicrobial and anti-inflammatory properties, while isorhapontigenin, a lignan, demonstrates antioxidant and anti-inflammatory activities, potentially contributing to its anti-aging and anti-inflammatory effects.

The collective actions of these constituents underlie the herb's therapeutic benefits, particularly in the management of liver disorders, inflammation, and oxidative stress.

What are the main herbal preparations this herb?

The main herbal preparations of Peumus boldus are made to utilize its medicinal properties effectively.

Boldo tea is a popular preparation, made by infusing dried leaves in hot water to treat digestive issues and reduce inflammation. Boldo infusion is another preparation, similar to tea but often left to steep for a longer period to increase its potency. Boldo tincture is a concentrated liquid extract that can be administered sublingually or added to water, ideal for its bitter and anti-inflammatory properties.

Boldo capsules and decoction are also used, the former providing a standardized dose of active compounds and the latter a more intense extract, both effective in treating various health conditions.

What are the possible side effects of using this herb improperly?

The possible side effects of using Peumus boldus improperly include experiencing vomiting, which can lead to dehydration and electrolyte imbalance, as well as producing diarrhea, which can cause dehydration and weight loss.

Inducing nausea can lead to loss of appetite and weight loss, as well as causing stomach discomfort and pain. Experiencing nausea can result in reduced food intake and poor nutrition, particularly in individuals with pre-existing gastrointestinal conditions. These side effects can be attributed to the plant's high levels of boldine, a toxic alkaloid that can cause gastrointestinal disturbances when consumed in excess.

Improper use of Peumus boldus can also lead to allergic reactions, such as skin irritation and respiratory problems, in rare cases.