# Chilean Araucaria (Araucaria araucana 'Chilean')

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/chilean-araucaria
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-01
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Araucaria araucana, Chilean pine, pehuén, monkey-puzzle tree, monkey puzzle, Chile pine, Araucaria imbricata, pehuen pine

## Overview

Chilean Araucaria (Araucaria araucana 'Chilean') contains pimaric acid-type diterpenes and flavonoids that interact with β2-adrenergic receptors and calcium channels to produce bronchodilatory and antispasmodic effects. Research remains in preclinical stages, with documented vasodilatory activity in isolated rabbit aorta tissue and smooth [muscle relaxation](/ingredients/condition/sleep) in animal models.

## Health Benefits

• Bronchodilator effects demonstrated in preclinical studies through β2 receptor targeting (preliminary evidence only)
• Antispasmodic activity shown in isolated tissue preparations via calcium channel inhibition (animal models only)
• Vasodilator properties observed in rabbit aorta studies (no human trials conducted)
• Antiemetic effects demonstrated in chick emesis model at 50-150 mg/kg (preclinical evidence only)
• Traditional wound healing applications supported by centuries of indigenous use (no clinical validation)

## Mechanism of Action

Chilean Araucaria's bioactive diterpenes, including pimaric acid derivatives, activate β2-adrenergic receptors on bronchial smooth muscle, triggering cyclic AMP elevation and subsequent smooth [muscle relaxation](/ingredients/condition/sleep). Concurrently, flavonoid constituents inhibit voltage-gated L-type calcium channels, reducing intracellular Ca²⁺ availability and dampening smooth muscle contractility. These dual mechanisms converge on vascular and airway smooth muscle relaxation, accounting for the observed vasodilatory effects in rabbit aorta preparations and antispasmodic activity in isolated tissue assays.

## Clinical Summary

All available evidence for Chilean Araucaria derives from preclinical in vitro and animal studies; no human clinical trials have been published as of 2024. Bronchodilator effects were demonstrated in isolated guinea pig tracheal tissue and rodent models, though effect sizes and precise concentrations were not standardized across studies. Vasodilatory activity was quantified in phenylephrine-precontracted rabbit aorta rings, showing concentration-dependent relaxation, but extrapolation to human dosing remains speculative. The overall evidence base is preliminary, and claims of therapeutic benefit in humans are not yet substantiated by controlled clinical data.

## Nutritional Profile

Araucaria araucana seeds (piñones/monkey puzzle nuts) are the primary edible component with well-characterized nutritional data. Macronutrients per 100g fresh seed: carbohydrates 40-50g (predominantly starch 35-45g, with amylose:amylopectin ratio approximately 1:3), protein 4-8g (containing essential amino acids including lysine ~320mg/100g, leucine ~480mg/100g, notably higher lysine content than many cereal grains), fat 1-3g (primarily oleic and linoleic acids). Moisture content 40-55% in fresh seeds, 8-12% dried. Fiber content 2-4g/100g including resistant starch fractions which increase upon cooking and cooling (retrograded starch). Energy density approximately 200-220 kcal/100g fresh weight. Micronutrients: potassium 300-400mg/100g (significant), phosphorus 150-200mg/100g, magnesium 50-80mg/100g, calcium 15-30mg/100g, iron 1.5-2.5mg/100g, zinc 1.0-1.8mg/100g, manganese 0.8-1.2mg/100g. Vitamin content: thiamine (B1) 0.1-0.2mg/100g, riboflavin (B2) 0.05-0.1mg/100g, niacin 0.8-1.2mg/100g, vitamin C trace amounts (5-15mg/100g fresh, heat-labile). Bioactive compounds: phenolic acids including gallic acid, ellagic acid, and chlorogenic acid (total polyphenols 80-150mg GAE/100g dry weight); flavonoids including quercetin and kaempferol glycosides at low concentrations (10-30mg/100g); biflavonoids characteristic of Araucaria genus including amentoflavone and agathisflavone (0.5-2mg/g in bark/resin, negligible in seed); terpenoids including diterpenes (agathic acid, communic acid) predominantly in resin fractions; tannins 0.3-0.8% in seed coat. Bioavailability notes: starch digestibility is moderate with glycemic index estimated 50-65 (lower than white bread), enhanced by traditional fermentation processing; mineral bioavailability may be reduced by moderate phytate content (200-400mg/100g); phenolic bioavailability from seed matrix is estimated 15-30% based on comparable nut matrices. Bark and resin fractions (relevant to pharmacological studies) contain higher concentrations of terpenoids and biflavonoids but are not consumed as food.

## Dosage & Preparation

No standardized human dosages have been established. The only dosage data comes from animal studies using 50-150 mg/kg of crude extract, which cannot be directly extrapolated to human use. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

No formal human safety trials exist for Chilean Araucaria extracts, making comprehensive risk profiling impossible at this time. Theoretical drug interactions include additive hypotensive effects when combined with antihypertensives or calcium channel blockers such as amlodipine, given its calcium channel-inhibiting mechanism. Individuals using β2-agonist bronchodilators like albuterol may experience unpredictable additive or competitive receptor effects. Pregnant and breastfeeding individuals, as well as those with hypotension or cardiac arrhythmias, should avoid use entirely until human safety data are established.

## Scientific Research

The primary scientific evidence comes from a single 2022 study published in the Journal of Ethnopharmacology (PMID: 35998784) that evaluated the crude extract in isolated animal tissue preparations including rabbit jejunum, trachea, aorta, and atria. No human clinical trials, randomized controlled trials, or meta-analyses have been conducted on this ingredient.

## Historical & Cultural Context

Araucaria araucana has been used in traditional Mapuche and Pehuenche medicine since pre-Columbian times, with the resin traditionally applied to treat wounds, ulcers, bone fractures, bruises, headaches, irregular menstruation, cold, and lockjaw. The tree holds spiritual significance for the Pehuenche people as a symbol of life and ancestral connection to their territory.

## Synergistic Combinations

Ginger, Peppermint, Marshmallow Root, Licorice Root, Slippery Elm

## Frequently Asked Questions

### What are the active compounds in Chilean Araucaria?

Chilean Araucaria (Araucaria araucana 'Chilean') contains pimaric acid-type diterpenes and polyphenolic flavonoids as its primary bioactive constituents. These compounds are responsible for the plant's observed β2-adrenergic receptor agonism and L-type calcium channel inhibition in preclinical tissue studies. The exact compound ratios vary by plant part and extraction method, and standardized extracts for supplementation have not been commercially established.

### Can Chilean Araucaria help with asthma or breathing problems?

Preclinical studies have shown that Chilean Araucaria diterpenes activate β2-adrenergic receptors and relax airway smooth muscle in isolated guinea pig tracheal preparations, which is mechanistically relevant to bronchodilation. However, no human clinical trials have tested its efficacy or safety for asthma, COPD, or any other respiratory condition. It should not be used as a substitute for prescribed bronchodilators or corticosteroids until human evidence is available.

### Does Chilean Araucaria lower blood pressure?

In isolated rabbit aorta tissue experiments, Chilean Araucaria extracts produced concentration-dependent vasodilation in vessels pre-contracted with phenylephrine, suggesting blood pressure-lowering potential via calcium channel inhibition. This effect has not been reproduced in live animal blood pressure models or human subjects, so direct antihypertensive claims are not supported. Individuals already taking antihypertensive medications should exercise caution due to the theoretical risk of additive hypotension.

### Is Chilean Araucaria the same as the Monkey Puzzle tree?

Yes, Araucaria araucana is commonly called the Monkey Puzzle tree and is native to the Andes mountains of Chile and Argentina. The 'Chilean' cultivar designation specifies a particular variety within this species, though research on its phytochemistry often applies broadly to the Araucaria araucana species. The tree's seeds (piñones) have a long history as a food source among indigenous Mapuche people, distinct from its emerging interest as a pharmacological research subject.

### What is the recommended dosage for Chilean Araucaria supplement?

No standardized human dosage for Chilean Araucaria extract has been established, as no clinical trials have determined effective or safe dose ranges in humans. All pharmacological effects reported in the literature were observed in vitro or in animal tissue preparations using variable extract concentrations, making direct dose translation to humans unreliable. Consumers should treat any commercially suggested dosages as unevidenced, and consultation with a healthcare provider before use is strongly advised.

### What does the research say about Chilean Araucaria's effectiveness compared to prescription bronchodilators?

Current evidence for Chilean Araucaria is limited to preclinical studies demonstrating β2 receptor targeting in laboratory settings, with no human clinical trials completed. Prescription bronchodilators like albuterol have decades of rigorous human testing and proven efficacy, whereas Chilean Araucaria's effects remain theoretical and unvalidated in people. Any comparison at this stage is premature, and it should not be considered a substitute for established asthma or respiratory medications without medical guidance.

### Is Chilean Araucaria safe to use alongside common respiratory or cardiovascular medications?

No drug interaction studies have been conducted for Chilean Araucaria with common medications such as beta-blockers, calcium channel blockers, or asthma inhalers. Because it may have vasodilator and antispasmodic properties based on animal studies, there is theoretical potential for interactions with blood pressure or heart medications, making medical supervision essential. Always consult a healthcare provider before combining Chilean Araucaria supplements with any prescription or over-the-counter drugs.

### Why is the evidence for Chilean Araucaria's antiemetic effects limited, and can it be used for nausea?

Antiemetic effects were only demonstrated in a chick emesis model at high doses (50–150 mg/kg), which does not translate reliably to human nausea or vomiting. No clinical trials in humans have tested whether these preliminary findings are relevant or safe for treating nausea in people. Current evidence is too preliminary to recommend Chilean Araucaria as a nausea remedy outside of research contexts.

---

*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
*License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*