Juniperus phoenicea (Juniperus phoenicea): Benefits, Dosage, Safety & Evidence

Questions fréquentes

What is Juniperus phoenicea used for in traditional medicine?

Juniperus phoenicea has been traditionally used in Mediterranean folk medicine for respiratory conditions including coughs and bronchitis, and as a digestive tonic to support stomach health. The berries and aerial parts are prepared as teas or decoctions. Traditional applications also include use as an anti-inflammatory and antimicrobial agent for minor infections. Current evidence is limited to preclinical studies (Evidence Level C), with therapeutic claims primarily based on historical use rather than clinical trials.

How does Juniperus phoenicea work as an anti-inflammatory?

Juniperus phoenicea contains bioactive terpenes, particularly alpha-pinene and sabinene, which demonstrate anti-inflammatory activity through inhibition of pro-inflammatory cytokines and modulation of inflammatory pathways. The tannins contribute additional astringent and anti-inflammatory effects. Essential oil constituents also exhibit antimicrobial activity by disrupting microbial cell membranes. Research remains primarily preclinical (Evidence Level C), with mechanisms demonstrated in laboratory settings rather than human clinical trials.

Is Juniperus phoenicea safe during pregnancy?

Juniperus phoenicea is considered unsafe during pregnancy and should be strictly avoided. Juniper species contain compounds that stimulate uterine contractions and may cause miscarriage or premature labor. Both berry preparations and essential oil pose significant risks during pregnancy and breastfeeding. Women who are pregnant, planning pregnancy, or nursing should not use this herb. This contraindication is supported by traditional knowledge and pharmacological evidence (Evidence Level C).

What is the recommended dosage for Juniperus phoenicea?

Traditional adult dosage for Juniperus phoenicea berry tea is 1-2 grams of dried berries per cup, taken up to three times daily. Essential oil preparations should be appropriately diluted before external use or aromatherapy application. Standardized clinical dosing recommendations are not established due to limited human trials (Evidence Level C). Duration of use should be restricted to avoid kidney irritation, and use should be discontinued if urinary discomfort occurs.

Does Juniperus phoenicea interact with any medications?

Limited clinical data exists on specific drug interactions for Juniperus phoenicea. However, juniper species may potentiate diuretic medications and affect lithium excretion, potentially altering blood levels. Patients taking diuretics, lithium, or medications metabolized by liver enzymes should consult a healthcare provider before use. Due to potential kidney effects, concurrent use with nephrotoxic medications should be avoided. Evidence for these interactions is theoretical and based on pharmacological properties rather than clinical studies (Evidence Level C).

What are the side effects of Juniperus phoenicea?

The primary safety concern with Juniperus phoenicea is kidney irritation, particularly with excessive doses or prolonged use. Symptoms may include urinary tract irritation and potential renal damage. Individuals with existing kidney disease should avoid this herb entirely. Gastrointestinal upset may occur in sensitive individuals. Due to these risks, use should be limited to recommended doses and short durations. Evidence regarding adverse effects is based on traditional knowledge and pharmacological properties (Evidence Level C).

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 30 articles PubMed · modèle : gemma4:31b

Résumé

Juniperus phoenicea is a medicinal conifer tree native to the Mediterranean region, recognized for its antioxidant, antimicrobial, and protective biological activities [PMID:35915116, 39345860].

Contexte

Juniperus phoenicea, also known as the Phoenician juniper, is a medicinal conifer tree distributed primarily in the Mediterranean region [PMID:35915116]. It is currently an IUCN Red Listed species, facing threats from arid conditions and the over-collection of seeds for medicinal purposes [PMID:35915116].

Usages traditionnels

The plant is used in traditional medicine by Jordanian populations [PMID:34607602] and is popular in alternative medicine in the steppe and highland regions of western Algeria [PMID:42195871]. Wood tar from the species is traditionally used in Morocco [PMID:41920972].

Composés actifs

Key compounds include alpha-pinene, which is predominant in essential oils from berries and leaves [PMID:38005268, 39345860, 40616826], and communic acid isolated from cones [PMID:34332514]. Other identified constituents include polyphenols, flavonoids (such as quercetin, catechin, and gallic acid) [PMID:21707254, 42307848, 38263385], and phenylpropane glycosides like juniperoside, rosarin, and skimmin [PMID:17252422]. Wood tar contains hydroxychavicol, 2,3-dehydroferruginol, and eugenol [PMID:41920972].

Mécanisme d'action

The herb exhibits antioxidant activity through free radical scavenging (DPPH and ABTS) [PMID:21707254, 39345860]. In mice, a hydroethanolic extract reduced paw oedema and decreased malondialdehyde (MDA) content while increasing antioxidant enzyme activities [PMID:30112384]. In silico studies suggest potential inhibition of palmitoyl-protein thioesterase 1 (PPT1) for anti-dementia treatment [PMID:39807377].

Preuves cliniques

Preuve DHepatotoxicity (CCl4-induced)

Aqueous berry extract prevented alterations in plasma enzymes (ASAT, ALAT, ALP, LDH) and maintained antioxidant status in rats [PMID:28442109].

Preuve DOxidative Stress (Gamma-irradiation)

Aqueous leaves extract showed ameliorative effects on biochemical and histopathological parameters in experimental Swiss Albino rats [PMID:32700840].

Preuve DAcute Inflammation (Carrageenan-induced)

Hydroethanolic extract (100 mg/kg BW) reduced paw oedema and MDA content in mice [PMID:30112384].

Preuve DHemolytic Anemia (PHZ-induced)

Aqueous leaf and berry extracts (300 mg/kg/day) significantly ameliorated hematological disturbances in rats [PMID:42307848].

Preuve DGastric Ulcers (Ethanol-induced)

Essential oil provided dose-dependent protection of the gastric mucosa in mice, with 81.92% protection at 200 mg/kg [PMID:42195871].

Preuve DBacterial/Fungal Infections

Synthèse des preuves

The current evidence is based primarily on in vitro studies and animal models (rats and mice), indicating strong antioxidant, antimicrobial, and organ-protective properties. There are no human clinical trials provided in the abstracts.

Sources PubMed

1.PMID: 21707254 (2011) — Chemical compounds from Phoenician juniper berries (Juniperus phoenicea). · Natural product research
2.PMID: 11558640 (2001) — Final report on the safety assessment of Juniperus communis Extract, Juniperus oxycedrus Extract, Juniperus oxycedrus Tar, Juniperus phoenicea extract, and Juniperus virginiana Extract. · International journal of toxicology
3.PMID: 39345860 (2024) — Phytochemical profile, physicochemical, antioxidant and antimicrobial properties of Juniperus phoenicea and Tetraclinis articulate: in vitro and in silico approaches. · Frontiers in chemistry
4.PMID: 35915116 (2022) — Clay and climatic variability explain the global potential distribution of Juniperus phoenicea toward restoration planning. · Scientific reports
5.PMID: 32700840 (2020) — Protective Role of Juniperus phoenicea L. Leaves Extract against Gamma-irradiation-induced Oxidative Stress.

Juniperus phoenicea

Sources et citations

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