# Zufa (Hyssopus officinalis)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/zufa
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 6 / 10
**Category:** Middle Eastern
**Also Known As:** Hyssopus officinalis, Common Hyssop, Garden Hyssop, Holy Herb, Hyssop Herb, European Hyssop, Mediterranean Hyssop

## Overview

Hyssop (Hyssopus officinalis) contains volatile oils including pinocamphone and isopinocamphone that provide expectorant and [antimicrobial](/ingredients/condition/immune-support) effects. Clinical evidence supports its use for respiratory conditions, particularly productive cough and asthma management.

## Health Benefits

• Respiratory support: One clinical trial (n=60) showed improved Asthma Control Test scores and pulmonary function in patients with productive cough and higher BMI when taking hyssop syrup as adjuvant therapy (moderate evidence, PMID: 39959798)
• [Immune modulation](/ingredients/condition/immune-support): In vitro studies demonstrate antiviral innate immune activation via upregulation of Toll-like receptors in human blood cells (preliminary evidence, PMID: 36503515)
• [Anti-inflammatory](/ingredients/condition/inflammation) effects: Animal studies show reduced eosinophils, IgE levels, and airway mucus secretion comparable to dexamethasone in asthma models (preliminary evidence, PMC4186396)
• [Antioxidant activity](/ingredients/condition/antioxidant): Methanol extracts enhance antioxidant enzymes (SOD, CAT) and show high polyphenolic content across various extraction methods (preliminary evidence, PMID: 35963984)
• DNA protection: Essential oils demonstrate antigenotoxic effects in human blood cells pretreated with H2O2 (preliminary evidence, PMID: 33916934)

## Mechanism of Action

Hyssop's volatile oils, particularly pinocamphone and isopinocamphone, act as expectorants by stimulating mucus secretion and ciliary clearance in respiratory tissues. The herb's flavonoids and phenolic compounds demonstrate [antimicrobial](/ingredients/condition/immune-support) activity against respiratory pathogens and modulate [inflammatory pathway](/ingredients/condition/inflammation)s including NF-κB signaling.

## Clinical Summary

One randomized clinical trial (n=60) demonstrated that hyssop syrup as adjuvant therapy significantly improved Asthma Control Test scores and pulmonary function in patients with productive cough, particularly those with higher BMI. In vitro studies show [antiviral](/ingredients/condition/immune-support) activity against respiratory pathogens. However, human clinical evidence remains limited to single studies, requiring additional research to establish therapeutic efficacy and optimal dosing protocols.

## Nutritional Profile

Hyssopus officinalis (Zufa) is a aromatic herb with limited macronutrient caloric value in typical culinary/medicinal doses. Key nutritional and bioactive components include:

**Essential Oils (0.3–2.0% dry weight):** Dominated by pinocamphone (25–50%), isopinocamphone (15–35%), β-pinene (10–15%), and camphor (5–15%). These monoterpenes and ketones are the primary bioactive drivers. Bioavailability is enhanced via inhalation and oral mucosa absorption; hepatic first-pass [metabolism](/ingredients/condition/weight-management) reduces systemic availability of oral forms.

**Flavonoids (1–3% dry weight):** Diosmin (~0.5–1.0%), hesperidin, luteolin, apigenin, and rutin. These exhibit moderate oral bioavailability (~20–40%), improved with food lipids. Diosmin demonstrates vascular and [anti-inflammatory](/ingredients/condition/inflammation) activity at these concentrations.

**Phenolic Acids:** Rosmarinic acid (~0.5–1.5 mg/g dry weight), chlorogenic acid, and caffeic acid. Rosmarinic acid has moderate bioavailability (~30%) with [antioxidant](/ingredients/condition/antioxidant) and anti-inflammatory properties relevant to respiratory mucosa.

**Terpenes:** Ursolic acid and oleanolic acid (triterpenoids, ~0.1–0.5%), with low oral bioavailability (<10%) but meaningful mucosal activity.

**Tannins:** ~3–8% dry weight; may bind minerals (iron, zinc) reducing their absorption if consumed in large quantities.

**Minerals (per 100g dried herb):** Calcium (~1200 mg), potassium (~700 mg), magnesium (~150 mg), iron (~30 mg, but tannin-bound, low bioavailability ~5–10%), manganese (~3 mg).

**Vitamins:** Vitamin C (~50–80 mg/100g dried), vitamin A precursors (beta-carotene ~2–4 mg/100g), vitamin K (~200–400 µg/100g — relevant for anticoagulant drug interactions).

**Macronutrients (per 100g dried):** Protein ~5–7g, carbohydrates ~30–40g (primarily fiber), fat ~3–5g (largely polyunsaturated from seed oil components). Caloric density ~250–300 kcal/100g but irrelevant at medicinal doses (1–5g/day).

**Bioavailability Notes:** Pinocamphone crosses the blood-brain barrier readily; flavonoid absorption is enhanced by gut microbiota metabolism to smaller phenolic metabolites; high tannin content may chelate minerals and reduce absorption of co-administered medications; fat-soluble components (terpenoids) benefit from co-administration with dietary fat.

## Dosage & Preparation

Clinically studied dosage: 5 ml hyssop syrup twice daily (equivalent to 6g Hyssopus officinalis extract total daily) for 4 weeks. In vitro studies used 40 μg/ml extract on immune cells. Animal studies used 100 mg/kg methanol extract daily. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Hyssop is generally well-tolerated when used in traditional culinary amounts. The essential oil contains ketones that may cause seizures in high doses, particularly in children and individuals with epilepsy. No significant drug interactions are documented, though theoretical interactions may occur with anticoagulant medications. Pregnancy and breastfeeding safety data is insufficient, warranting avoidance during these periods.

## Scientific Research

Limited human clinical evidence exists, with one randomized triple-blind placebo-controlled trial (n=60 mild-to-moderate asthmatic patients) testing hyssop syrup as adjuvant therapy for 4 weeks (PMID: 39959798). Most evidence comes from preclinical studies including in vitro PBMC studies demonstrating immune activation (PMID: 36503515) and animal asthma models (PMC4186396).

## Historical & Cultural Context

Hyssopus officinalis has been used for centuries in Uyghur traditional medicine (Pharmacy of Uyghur Hospital, Xinjiang, China) for respiratory conditions via oral decoctions. It features prominently in Mediterranean and European herbal systems for cough, bronchitis, and digestive issues, with historical records spanning from ancient Greek/Roman to Islamic medicine.

## Synergistic Combinations

Licorice root, Thyme, Eucalyptus, Vitamin C, N-acetylcysteine

## Frequently Asked Questions

### What is the effective dose of hyssop for cough relief?

Clinical studies used hyssop syrup as adjuvant therapy, though specific standardized dosing protocols are not well-established. Traditional preparations typically use 1-2 grams of dried herb per day as tea or extract.

### Can hyssop interact with asthma medications?

No documented interactions exist between hyssop and standard asthma medications like bronchodilators or corticosteroids. However, hyssop should complement, not replace, prescribed asthma treatments and medical supervision is recommended.

### Is hyssop essential oil safe to consume internally?

Hyssop essential oil should not be consumed internally due to high concentrations of ketones like pinocamphone that can cause seizures. Stick to standardized herbal preparations or teas made from dried leaves.

### How long does it take for hyssop to improve respiratory symptoms?

The clinical trial showed improvements in Asthma Control Test scores over the study period, though specific onset timing wasn't detailed. Traditional use suggests respiratory benefits may be noticed within days to weeks of consistent use.

### Can people with epilepsy use hyssop supplements?

Individuals with epilepsy should avoid hyssop, especially concentrated preparations, due to ketone compounds that may lower seizure threshold. The volatile oils pinocamphone and isopinocamphone are particularly concerning for seizure-prone individuals.

### What does clinical research show about hyssop for respiratory health?

A clinical trial involving 60 participants demonstrated that hyssop syrup, used alongside standard treatment, improved Asthma Control Test scores and pulmonary function in patients with productive cough, particularly those with higher BMI (moderate evidence). This suggests hyssop may be most effective as adjuvant therapy rather than a standalone treatment for respiratory conditions. However, more large-scale studies are needed to establish optimal dosing protocols and long-term safety in respiratory disease management.

### Is hyssop safe for children and elderly individuals?

While hyssop has been used in traditional medicine across multiple cultures, safety data specifically in pediatric and geriatric populations remains limited. Concerns exist regarding potential neurotoxicity from pinocamphone (a volatile compound in hyssop), which may be of greater concern in children and those with neurological conditions. Consult a healthcare provider before giving hyssop supplements to children or elderly individuals, especially if they take medications or have underlying health conditions.

### What is the difference between hyssop syrup and hyssop tea for respiratory support?

Hyssop syrup formulations, as used in clinical research, typically contain concentrated extracts with standardized doses and added demulcents like honey or glycerin that provide soothing effects on the throat. Hyssop tea is a simpler preparation with less concentrated active compounds and variable potency depending on steeping time and leaf quality. For therapeutic respiratory support, syrup preparations may deliver more consistent dosing, though tea remains a common traditional preparation with lower systemic exposure to volatile oils.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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