# Lapsang Souchong (Camellia sinensis)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/lapsang-souchong
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-24
**Evidence Score:** 2 / 10
**Category:** Tea Cultivars
**Also Known As:** Camellia sinensis var. bohea, Zhengshan Xiaozhong, Smoky Tea, Pine-smoked Black Tea, Russian Caravan Tea, Tarry Souchong, Lapsang

## Overview

Lapsang Souchong, a black tea, contains polyphenols like catechins, theaflavins, and thearubigins. These compounds primarily exert antioxidant effects by scavenging [free radical](/ingredients/condition/antioxidant)s and offer [anti-inflammatory](/ingredients/condition/inflammation) actions.

## Health Benefits

• Antioxidant support from polyphenols and catechins may help combat [oxidative stress](/ingredients/condition/antioxidant) (traditional use evidence only)
• [Cardiovascular health](/ingredients/condition/heart-health) support through theaflavins and thearubigins common to black teas (traditional use evidence only)
• Digestive support and stomach warming properties according to Traditional Chinese Medicine practices (traditional use evidence only)
• Energy invigoration and circulation promotion as categorized in TCM warming herbs (traditional use evidence only)
• Moderate caffeine content (25mg per gram) for gentle alertness without overstimulation (compositional data only)

## Mechanism of Action

Lapsang Souchong, a black tea, contains polyphenols like catechins, which are oxidized during processing into theaflavins and thearubigins. These compounds exert antioxidant effects by neutralizing [reactive oxygen species](/ingredients/condition/antioxidant) and may modulate [inflammatory pathway](/ingredients/condition/inflammation)s like NF-κB, contributing to cellular protection. Theaflavins also demonstrate potential in inhibiting cholesterol absorption and improving [endothelial function](/ingredients/condition/heart-health).

## Clinical Summary

Specific clinical trials directly assessing Lapsang Souchong's health benefits are limited, with current understanding largely based on traditional use and general black tea research. Most evidence for its antioxidant and [cardiovascular](/ingredients/condition/heart-health) properties comes from in vitro and animal studies on black tea extracts, indicating effects such as improved lipid profiles or reduced [oxidative stress](/ingredients/condition/antioxidant) markers. Large-scale human clinical trials specifically on Lapsang Souchong are scarce, and benefits are primarily supported by anecdotal evidence.

## Nutritional Profile

Lapsang Souchong is a smoke-dried black tea from the Wuyi Mountains of Fujian, China, with a nutritional profile characteristic of black teas but modified by the pine-smoke processing. Per 240ml brewed cup (using approximately 2-3g dry leaf): Calories: ~2-5 kcal; Protein: ~0.1-0.5g (minimal, primarily amino acids leached into brew); Carbohydrates: ~0.5-1g; Fat: ~0g; Fiber: negligible in liquid form. Key Bioactive Compounds: Theaflavins (0.3-1.8% dry weight) and Thearubigins (10-20% dry weight) formed during oxidation, responsible for characteristic black tea color and [antioxidant activity](/ingredients/condition/antioxidant). Catechins (residual): EGCG reduced to ~20-50mg per cup compared to green tea due to full oxidation. Caffeine: approximately 30-60mg per 240ml cup (moderate, lower than many black teas due to the specific Camellia sinensis cultivar and processing). L-Theanine: ~5-20mg per cup, partially degraded during oxidation. Polyphenols total: ~150-300mg per cup. Unique to Lapsang Souchong — Pine smoke compounds: guaiacol, creosol, and syringol phenolic compounds absorbed during pine-wood smoking, contributing distinct smoky flavor; PAH (polycyclic aromatic hydrocarbon) trace residues have been detected in smoke-processed varieties, though typically below regulatory concern thresholds at normal consumption. Minerals: Fluoride (~0.1-0.4mg/cup), Manganese (~0.4-0.9mg/cup), Potassium (~40-90mg/cup), Magnesium (~5-7mg/cup). Bioavailability notes: Polyphenol absorption is approximately 20-50% and is reduced by concurrent milk consumption due to protein-polyphenol binding; caffeine bioavailability is near 100%; L-theanine crosses the blood-brain barrier efficiently; theaflavin bioavailability is lower than catechins at approximately 10-30%.

## Dosage & Preparation

Traditional tea preparation: 2-3 grams (approximately one tablespoon) per 150ml water, steeped 3-5 minutes at 95°C. Alternative method: 5 grams per 110ml water, steeped 30 seconds to 1 minute with multiple infusions. No clinically studied extract dosages available. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

As a black tea, Lapsang Souchong contains caffeine, which may cause jitters, sleep disturbances, or heart palpitations in sensitive individuals or at high doses (e.g., >400 mg/day). Caffeine can interact with anticoagulants like warfarin, potentially increasing bleeding risk, or with certain antidepressants. Pregnant or breastfeeding women should limit caffeine intake, and individuals with caffeine sensitivity or anxiety should consume with caution. High consumption of tea tannins may also impede iron absorption, so it is often advised to consume between meals for iron-deficient individuals.

## Scientific Research

The available research is limited to chemical composition analysis, with one PubMed study (PMID: 16248572) identifying 49 volatile compounds in Lapsang Souchong. No clinical trials, randomized controlled trials, or meta-analyses examining health outcomes in humans were found in the provided research.

## Historical & Cultural Context

In Traditional Chinese Medicine, Lapsang Souchong is classified as a warming tea believed to invigorate Qi energy and promote circulation. Local Fujian practices recommend it for digestive support in cold weather or after heavy meals, contrasting with cooling green teas.

## Synergistic Combinations

Green tea extract, Pu-erh tea, Ginger root, Rhodiola rosea, L-theanine

## Frequently Asked Questions

### What gives Lapsang Souchong its smoky flavor?

Lapsang Souchong tea leaves are traditionally smoke-dried over pine fires, often using pinewood or cypress, during the processing stage. This unique drying method infuses the leaves with a distinctive, robust smoky aroma and flavor profile that sets it apart from other black teas.

### Does Lapsang Souchong contain caffeine?

Yes, Lapsang Souchong, like all true teas (Camellia sinensis), contains caffeine. The caffeine content can vary depending on brewing strength and leaf grade, but it typically has a similar caffeine level to other black teas, generally ranging from 40-70 mg per 8-ounce cup.

### What are the primary antioxidants in Lapsang Souchong?

Lapsang Souchong contains polyphenolic compounds such as catechins, which are oxidized during processing into theaflavins and thearubigins. These black tea-specific antioxidants contribute to its potential to combat oxidative stress by scavenging free radicals in the body.

### Can Lapsang Souchong support heart health?

While primarily supported by traditional use evidence, Lapsang Souchong's rich content of theaflavins and thearubigins, common to black teas, may contribute to cardiovascular health. These compounds are believed to help support healthy cholesterol levels and improve blood vessel function, though specific clinical trials on Lapsang Souchong are limited.

### Are there any digestive benefits to drinking Lapsang Souchong?

Traditionally, Lapsang Souchong has been consumed for its perceived digestive support and stomach-warming properties. While specific scientific evidence for these claims is limited, many find black teas to aid digestion, possibly due to their mild astringency and comforting warmth.

### Is Lapsang Souchong safe to drink during pregnancy and breastfeeding?

While Lapsang Souchong is a food-grade tea, its caffeine content (approximately 40–70 mg per 8 oz cup) means pregnant and breastfeeding individuals should consult their healthcare provider about consumption limits. Traditional Chinese Medicine practitioners have used it cautiously in these populations, but current clinical evidence on safety during pregnancy is limited. Moderation and medical guidance are recommended.

### How does Lapsang Souchong compare to other black teas in terms of antioxidant content?

Lapsang Souchong contains similar levels of polyphenols, catechins, theaflavins, and thearubigins to other black teas, though the smoking process may alter some antioxidant profiles compared to non-smoked varieties. The compound composition remains comparable to standard Assam or Ceylon black teas, making antioxidant potency roughly equivalent across these black tea types. Individual polyphenol levels can vary based on processing and storage conditions.

### Does Lapsang Souchong interact with blood thinners or blood pressure medications?

Lapsang Souchong contains caffeine and compounds that may have mild effects on blood clotting and cardiovascular function, so individuals taking warfarin, aspirin, or antihypertensive medications should discuss regular consumption with their healthcare provider. The caffeine content could potentially interact with or amplify effects of certain blood pressure medications. Consistent, moderate consumption is generally considered safer than variable intake patterns.

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