# Chun Mee Green Tea (Camellia sinensis 'Chun Mee')

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/chun-mee-green-tea
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-04
**Evidence Score:** 2 / 10
**Category:** Tea Cultivars
**Also Known As:** Camellia sinensis 'Chun Mee', Chinese Chun Mee, Chunmee Green Tea, Chun-Mee Tea, Export Green Tea Chun Mee, Precious Eyebrow Tea

## Overview

Chun Mee green tea (Camellia sinensis 'Chun Mee') is a Chinese green tea cultivar whose primary bioactive compound, epigallocatechin gallate (EGCG), drives its antioxidant, [neuroprotective](/ingredients/condition/cognitive), and cholesterol-lowering properties. EGCG scavenges [reactive oxygen species](/ingredients/condition/antioxidant) (ROS) and modulates lipid [metabolism](/ingredients/condition/weight-management) pathways, underpinning its studied chemopreventive and [cardiovascular](/ingredients/condition/heart-health) effects.

## Health Benefits

• May help reduce total plasma cholesterol levels (demonstrated in 13-week animal study at 50 mg/kg body weight)
• Contains potent [antioxidant](/ingredients/condition/antioxidant)s including EGCG that provide stress-mediating and [neuroprotective](/ingredients/condition/cognitive) properties through ROS scavenging activity
• Shows potential chemopreventive activity in multiple organ systems including liver, urinary bladder, mammary gland, and prostate (laboratory studies only)
• May increase hemoglobin concentration (p < 0.01 in animal models)
• Demonstrates [anti-inflammatory](/ingredients/condition/inflammation) effects through polyphenolic catechin activity (mechanism-based evidence)

## Mechanism of Action

EGCG in Chun Mee green tea inhibits [reactive oxygen species](/ingredients/condition/antioxidant) (ROS) generation by donating hydrogen atoms to free radicals and upregulating endogenous antioxidant enzymes such as superoxide dismutase (SOD) and catalase, conferring neuroprotection. At the lipid [metabolism](/ingredients/condition/weight-management) level, catechins suppress hepatic HMG-CoA reductase activity and inhibit intestinal cholesterol micelle formation, contributing to reductions in total plasma cholesterol. Chemopreventive activity is associated with EGCG's ability to inhibit tumor cell proliferation via modulation of MAPK and PI3K/Akt signaling cascades and induction of apoptosis in aberrant cells.

## Clinical Summary

The most quantified evidence comes from a 13-week animal study in which Chun Mee green tea extract administered at 50 mg/kg body weight produced measurable reductions in total plasma cholesterol, providing a controlled dose-response reference point. Broader green tea catechin research, largely from in vitro and rodent models, supports antioxidant and chemopreventive mechanisms, though Chun Mee cultivar-specific human clinical trials are currently lacking. Meta-analyses of general Camellia sinensis preparations suggest modest LDL reductions (approximately 5–6 mg/dL) and improved [oxidative stress](/ingredients/condition/antioxidant) biomarkers in humans, but these findings cannot be directly attributed to the Chun Mee cultivar without cultivar-specific trials. Overall, the evidence base remains preclinical and preliminary, warranting cautious interpretation until robust randomized controlled trials are conducted.

## Nutritional Profile

Chun Mee Green Tea (Camellia sinensis 'Chun Mee') is a minimally processed green tea with a characteristic slightly sour, plum-like flavor profile. As consumed in brewed form (per 240ml/8oz serving prepared from ~2g dry leaf): Macronutrients are negligible — approximately 2-3 kcal, <0.5g carbohydrates, trace protein (<0.1g), and effectively zero fat. Primary bioactive compounds include catechins (polyphenols) as the dominant functional constituents: total catechin content estimated at 150-300mg per 240ml brewed serving, with Epigallocatechin gallate (EGCG) comprising the largest fraction at approximately 60-125mg per serving, Epigallocatechin (EGC) at ~25-60mg, Epicatechin gallate (ECG) at ~15-35mg, and Epicatechin (EC) at ~10-25mg. Total polyphenol content per brewed serving is approximately 200-400mg. Caffeine content is approximately 20-45mg per 240ml serving, somewhat lower than Longjing or Gyokuro cultivars due to Chun Mee's processing profile. L-theanine (amino acid with synergistic calming-focus properties alongside caffeine) is present at approximately 10-25mg per serving. Chlorophyll compounds are retained due to minimal oxidation processing. Micronutrients per 240ml brewed serving include: Fluoride (0.2-0.5mg, bioavailability high), Manganese (~0.4-0.6mg, approximately 20-30% DV), Potassium (~20-35mg), Magnesium (~5-10mg), and trace amounts of Zinc, Copper, and Selenium. Vitamin K is present in dry leaf but minimal in brewed liquid. Theobromine is present in trace amounts (~2-5mg). Gallic acid and other phenolic acids contribute to [antioxidant](/ingredients/condition/antioxidant) capacity (ORAC value of brewed green tea estimated at 1,250-1,750 µmol TE per 240ml). Bioavailability notes: Catechin absorption is enhanced when consumed without milk (casein proteins bind polyphenols, reducing bioavailability by up to 30%); Vitamin C (from lemon juice) has been shown to increase catechin bioavailability by protecting against oxidative degradation in the GI tract; brewing temperature significantly impacts compound extraction — optimal at 70-80°C to maximize catechins while minimizing tannin astringency and preserving L-theanine; EGCG bioavailability is inherently limited (estimated 1-5% systemic absorption), though colonic microbial metabolites contribute additional biological activity.

## Dosage & Preparation

Animal studies used 50 mg/kg body weight of Chun Mee tea spray powder daily. For green tea catechins generally, human studies have used up to 316 mg EGCG/day without liver enzyme elevation, though doses ≥800 mg EGCG/day may increase serum transaminases. Standardized extracts typically contain 65% EGCG. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Chun Mee green tea is generally well tolerated at typical dietary intake levels, but high-dose concentrated EGCG supplements (above 800 mg/day) have been associated with hepatotoxicity, nausea, and gastrointestinal discomfort in susceptible individuals. The caffeine content poses risks for individuals with anxiety disorders, cardiac arrhythmias, or hypertension, and may interact additively with other stimulants. EGCG can inhibit the intestinal absorption of certain medications including nadolol and some statins, and may potentiate anticoagulant effects of warfarin by affecting vitamin K [metabolism](/ingredients/condition/weight-management). Pregnant and breastfeeding women should limit consumption due to caffeine exposure and EGCG's potential interference with folate metabolism at high doses.

## Scientific Research

Clinical evidence for Chun Mee tea specifically is limited to a 13-week rat safety study (PMID: 28911450) that showed no adverse effects at 50 mg/kg body weight while demonstrating beneficial effects on cholesterol. Human clinical trials have focused on standardized green tea extracts like Polyphenon E, with a Phase 1 breast cancer trial establishing 1200 mg EGCG daily as an acceptable safety limit.

## Historical & Cultural Context

The research dossier does not contain information regarding Chun Mee tea's historical use in traditional medicine systems. Available sources focus exclusively on modern scientific investigation rather than traditional applications.

## Synergistic Combinations

Other green tea extracts, vitamin C, quercetin, curcumin, milk thistle

## Frequently Asked Questions

### What makes Chun Mee green tea different from other green teas?

Chun Mee ('Precious Eyebrow') is a specific Camellia sinensis cultivar processed without oxidation and shaped into curved, pellet-like leaves, which preserves a distinct catechin and polyphenol profile. Its EGCG concentration and the ratio of individual catechins may differ from cultivars like Gyokuro or Sencha due to terroir, leaf grade, and processing temperature, potentially influencing its antioxidant potency and flavor profile.

### How much Chun Mee green tea do you need for cholesterol benefits?

The primary preclinical reference point is 50 mg/kg body weight of extract administered over 13 weeks in an animal model, which produced measurable reductions in total plasma cholesterol. Translating this to a human equivalent dose suggests roughly 300–500 mg of green tea catechins daily, consistent with consuming 3–5 cups of brewed green tea, though no Chun Mee-specific human dosing trials have confirmed this threshold.

### Does Chun Mee green tea have neuroprotective effects?

EGCG in Chun Mee green tea exerts neuroprotective effects primarily through ROS scavenging, reducing oxidative damage to neuronal membranes and mitochondria. Preclinical studies demonstrate that EGCG can cross the blood-brain barrier, upregulate antioxidant enzymes like SOD, and suppress neuroinflammatory pathways involving NF-κB, though these findings are derived from general green tea research and have not been confirmed in Chun Mee-specific human neurological trials.

### Can Chun Mee green tea interact with medications?

Yes — EGCG is a known inhibitor of OATP1A2 and OATP2B1 transporters, which can reduce the bioavailability of drugs like nadolol, rosuvastatin, and certain beta-blockers when co-administered. Additionally, green tea catechins may enhance the anticoagulant effect of warfarin and reduce iron absorption by forming insoluble complexes with non-heme iron, so individuals on anticoagulants or iron supplementation should consult a healthcare provider.

### Is Chun Mee green tea safe during pregnancy?

Moderate consumption of brewed Chun Mee green tea (1–2 cups per day) is generally considered low risk during pregnancy, keeping caffeine below the recommended 200 mg/day threshold. However, high-dose EGCG supplements should be avoided, as EGCG competitively inhibits dihydrofolate reductase, potentially impairing folate utilization critical for neural tube development in the first trimester.

### What is the bioavailability of EGCG in Chun Mee green tea compared to other green tea varieties?

Chun Mee green tea contains potent concentrations of EGCG, a catechin with strong antioxidant properties, though bioavailability can be affected by brewing method and temperature. Studies suggest that proper steeping techniques maximize catechin extraction and absorption in the gastrointestinal tract. Chun Mee's flat leaf structure may facilitate more efficient water contact during brewing compared to rolled varieties, potentially enhancing EGCG bioavailability.

### Who would benefit most from taking Chun Mee green tea supplements?

Individuals concerned about cholesterol management, oxidative stress, and age-related cognitive decline may benefit most from Chun Mee green tea supplementation due to its demonstrated cholesterol-reducing and neuroprotective properties. Those seeking preventive support for organ health, particularly liver and prostate function, may also find value in its potential chemopreventive activity. However, benefits are typically observed with consistent, long-term use as demonstrated in research studies.

### What does current research indicate about Chun Mee green tea's chemopreventive potential?

Laboratory studies have identified potential chemopreventive activity of Chun Mee green tea across multiple organ systems including the liver, urinary bladder, mammary gland, and prostate, primarily mediated by its high EGCG and antioxidant content. These findings are based on in vitro and preliminary research models rather than large-scale human clinical trials, indicating promising but not yet conclusively proven effects. Further human studies are needed to establish optimal dosing and confirm these protective mechanisms in clinical populations.

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