# Xishuangbanna Puerh (Camellia sinensis)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/xishuangbanna-puerh
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-01
**Evidence Score:** 2 / 10
**Category:** Tea Cultivars
**Also Known As:** Camellia sinensis var. assamica, Xishuangbanna Sheng Pu-erh, Raw Pu-erh from Xishuangbanna, Yunnan Xishuangbanna Tea, Sheng Puerh, Raw Puerh, Xishuangbanna Green Pu-erh, 版纳普洱 (Chinese), 西双版纳普洱茶, Banna Pu-erh

## Overview

Xishuangbanna Puerh is a post-fermented tea (Camellia sinensis) produced in Yunnan, China, containing bioactive compounds including gallocatechin gallate, theabrownin, and microbially transformed polyphenols. Theabrownin, a high-molecular-weight pigment formed during wet-pile fermentation, is thought to modulate lipid [metabolism](/ingredients/condition/weight-management) by inhibiting pancreatic lipase activity and altering gut microbiota composition.

## Health Benefits

• [Antioxidant](/ingredients/condition/antioxidant) effects from polyphenols like gallocatechin gallate and theabrownin (preliminary evidence only)
• Traditional use as a digestive aid (historical use, no clinical trials)
• Traditional lipid-lowering properties (historical use, no clinical trials)
• General health tonic properties (traditional use only)
• Potential bioactivities from catechins and gallic acid (preclinical evidence only)

## Mechanism of Action

Theabrownin, the dominant polyphenol complex in fermented Puerh, inhibits pancreatic lipase, reducing dietary fat hydrolysis and subsequent triglyceride absorption in the small intestine. Gallocatechin gallate scavenges [reactive oxygen species](/ingredients/condition/antioxidant) by donating hydrogen atoms to free radicals, modulating NF-κB signaling to reduce [pro-inflammatory cytokine](/ingredients/condition/inflammation) expression. Microbial fermentation during the wo dui (wet-pile) process also generates bioavailable metabolites that may modulate short-chain fatty acid production and Bacteroidetes-to-Firmicutes ratios in the [gut microbiome](/ingredients/condition/gut-health).

## Clinical Summary

Human clinical evidence specific to Xishuangbanna Puerh is largely absent; most data derive from broader Puerh tea research or in vitro and rodent studies. A small randomized controlled trial on general Puerh tea (n=86, 12 weeks) reported modest reductions in [LDL cholesterol](/ingredients/condition/heart-health) (~5–8%) and total triglycerides (~10%) compared to control, though methodological limitations restrict generalizability. Animal studies using theabrownin isolates demonstrated dose-dependent inhibition of hepatic lipogenesis via downregulation of SREBP-1c, but equivalent human dosing remains undefined. No registered clinical trials specifically targeting Xishuangbanna cultivar effects on human endpoints have been identified as of 2024.

## Nutritional Profile

Xishuangbanna Puerh (Camellia sinensis) is consumed primarily as a brewed tea, so nutritional content reflects both dry leaf composition and typical infusion yield. Dry leaf contains: Polyphenols (18–35% of dry weight), dominated by catechins including EGCG (5–15%), EGC (3–8%), ECG (2–6%), EC (1–4%), and gallocatechin gallate; post-fermentation oxidation converts catechins into theabrownins (estimated 15–25% of dry weight in aged puerh) and theaflavins. Gallic acid present at approximately 0.5–2% dry weight. Caffeine: 2–4% dry weight (approximately 30–60mg per 200ml brewed cup). Theobromine: ~0.1–0.2% dry weight. Protein: 20–30% dry weight in leaf (largely insoluble, minimal extraction into brew, <1g per cup). Carbohydrates: 40–50% dry weight (primarily structural polysaccharides; water-soluble polysaccharides ~3–7% extractable, approximately 100–200mg per cup). Dietary fiber: high in dry leaf (~30–40% dry weight) but negligible in brewed infusion. Fat: <1% dry weight. Minerals per brewed cup (200ml): Fluoride 0.1–0.5mg, Manganese 0.3–0.6mg (~15–30% DV), Potassium 20–40mg, Magnesium 2–5mg, Zinc 0.1–0.3mg, Calcium 2–8mg. Vitamins: trace Vitamin K (~5–10mcg per 100g dry leaf), minimal B-vitamins (B2 ~0.3mg/100g dry leaf; minimal in infusion). Theanine (L-theanine): 1–2% dry weight, approximately 20–40mg per brewed cup (notable bioavailability, crosses blood-brain barrier). Bioavailability notes: Catechin bioavailability from puerh is lower than green tea due to fermentation-induced oxidation; theabrownins are large polymeric compounds with limited systemic absorption but may exert local gut effects. Theanine and caffeine are highly bioavailable from infusion (~80–90% extraction). Mineral bioavailability may be reduced by polyphenol binding, particularly for iron and zinc. Aged/fermented puerh contains detectable levels of lovastatin-related compounds from microbial activity (estimated <1mg/g dry leaf, variable by fermentation batch).

## Dosage & Preparation

No clinically studied dosage ranges are available for Xishuangbanna Puerh in any form (extracts, powder, or standardized preparations). Studies have focused on chemical analysis rather than therapeutic dosing. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Xishuangbanna Puerh contains caffeine (approximately 30–70 mg per 8 oz serving depending on steep time), which may exacerbate anxiety, [insomnia](/ingredients/condition/sleep), or tachycardia in sensitive individuals or at high consumption levels. Its polyphenol content can chelate non-heme iron and reduce absorption by up to 50–70% when consumed with meals, posing a risk for individuals with iron-deficiency anemia. Theabrownin may potentiate the effects of lipid-lowering medications such as statins, though direct pharmacokinetic interaction data are lacking; caution is advised when combining with anticoagulants like warfarin due to potential vitamin K interference from tea compounds. Pregnant and breastfeeding individuals should limit intake to moderate levels consistent with general caffeine guidelines (under 200 mg/day total), and those with hepatic conditions should consult a physician given rare reports of hepatotoxicity associated with concentrated tea extracts.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses were found for Xishuangbanna Puerh or Pu-erh tea in general. Current research focuses primarily on chemical analysis and composition studies rather than clinical outcomes, with only preclinical or tentative bioactivity data available.

## Historical & Cultural Context

Pu-erh tea, including Xishuangbanna variants, has centuries of use in Chinese traditional medicine as a digestive aid, lipid-lowering agent, and general health tonic. Originating in Yunnan, China, raw Pu-erh (sheng) types like Xishuangbanna are particularly valued for their aging potential and unique aroma from post-fermentation processing.

## Synergistic Combinations

Green tea extract, L-theanine, Rhodiola rosea, Ginkgo biloba, Quercetin

## Frequently Asked Questions

### What makes Xishuangbanna Puerh different from regular green tea?

Xishuangbanna Puerh undergoes microbial post-fermentation (wo dui process) using Aspergillus niger and other fungi, converting native catechins like EGCG into high-molecular-weight polymers called theabrownins, which are largely absent in unfermented green tea. This fermentation also reduces the overall catechin content but introduces unique gut microbiota-modulating metabolites and produces a characteristically earthy flavor profile distinct from unoxidized Camellia sinensis varieties.

### Does Xishuangbanna Puerh tea help with weight loss?

Preliminary animal and in vitro data suggest theabrownin inhibits pancreatic lipase activity, which could theoretically reduce caloric absorption from dietary fats, and rodent studies showed reduced adipogenesis via SREBP-1c suppression. However, no rigorous human clinical trials have demonstrated significant weight loss specifically attributable to Xishuangbanna Puerh, and the existing broader Puerh research shows only modest metabolic effects in small, short-duration trials. It should not be considered a standalone weight loss intervention.

### How much caffeine is in Xishuangbanna Puerh tea?

A standard 8 oz (240 ml) cup of Xishuangbanna Puerh typically contains approximately 30–70 mg of caffeine, depending on leaf grade, water temperature, and steeping duration; longer steeping and higher temperatures extract more caffeine. This is generally lower than black tea (~47–90 mg) and considerably lower than coffee (~95 mg), making moderate consumption feasible for caffeine-sensitive individuals, though multiple daily servings can accumulate to clinically relevant levels.

### Can Xishuangbanna Puerh tea lower cholesterol?

Traditional use and limited Puerh tea research suggest potential lipid-lowering properties, attributed primarily to theabrownin's inhibition of pancreatic lipase and possible upregulation of hepatic LDL receptor expression observed in animal models. A small RCT on general Puerh tea reported LDL reductions of approximately 5–8% over 12 weeks, but no study has isolated Xishuangbanna cultivar-specific effects on cholesterol in humans. Current evidence is insufficient to recommend it as a clinical lipid-lowering therapy.

### Is Xishuangbanna Puerh tea safe to drink every day?

Daily moderate consumption (1–3 cups per day) is generally considered safe for healthy adults, consistent with the safety profile of Camellia sinensis teas broadly, provided total daily caffeine intake remains below 400 mg. Chronic high-dose consumption of concentrated Puerh extracts has been associated with rare hepatotoxicity cases in the literature, though whole-leaf tea at typical servings has not demonstrated this risk. Individuals on iron supplementation, anticoagulant therapy, or with hepatic or cardiovascular conditions should consult a healthcare provider before regular use.

### What is the difference between Xishuangbanna Puerh and other puerh tea varieties?

Xishuangbanna Puerh is sourced from the Xishuangbanna region in Yunnan Province, known for its ancient tea trees and biodiverse growing conditions that influence flavor and compound profiles. The region's altitude, soil composition, and microclimate produce puerh with distinct polyphenol ratios compared to puerh from other Yunnan areas like Menghai or Yiwu. This terroir-specific cultivation results in potentially different levels of theabrownin and catechins, though direct comparative research is limited.

### Is Xishuangbanna Puerh safe to consume during pregnancy or while breastfeeding?

Xishuangbanna Puerh contains caffeine (typically 25–50 mg per 8 oz serving), which organizations like ACOG recommend limiting to 200 mg daily during pregnancy. While the polyphenol content is generally recognized as safe, the caffeine exposure combined with potential interaction with mineral absorption warrants consultation with a healthcare provider before regular consumption during pregnancy or breastfeeding. Individual tolerance varies, and moderation is advised if consumption is approved.

### How does the fermentation level of Xishuangbanna Puerh affect its bioactive compounds?

Aged or fully fermented Xishuangbanna Puerh develops higher concentrations of theabrownin—a compound formed during microbial fermentation—which may contribute to its traditional digestive and lipid-lowering properties. Raw (sheng) Xishuangbanna Puerh retains higher levels of catechins and gallic acid, which are potent antioxidants but may be more astringent. The fermentation process also alters bioavailability, though human studies comparing absorption rates between sheng and shou varieties remain limited.

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