# Jade Dragon Tea (Camellia sinensis)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/jade-dragon-tea
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** Tea Cultivars
**Also Known As:** Camellia sinensis var. Jade Dragon, Jade Dragon Green Tea, Jade Dragon Yellow Tea, Chinese Jade Dragon Cultivar, Yulong Tea, Dragon Well variant

## Overview

Jade Dragon Tea is a green tea cultivar (Camellia sinensis) distinguished by exceptionally high concentrations of catechins, particularly EGCG and EGC, which function as polyphenolic [antioxidant](/ingredients/condition/antioxidant)s. Current evidence is limited to compositional analyses; no clinical trials have evaluated health outcomes specific to this cultivar.

## Health Benefits

• No clinical benefits documented - research shows only compositional data without health outcomes
• Contains catechins (EGCG 117-442 mg/L, EGC 203-471 mg/L) - general green tea [antioxidant](/ingredients/condition/antioxidant)s without specific Jade Dragon Tea evidence
• Provides potassium (92-151 mg/L) - highest mineral content among analyzed teas, though clinical significance unstudied
• Contains polyphenols and flavonoids - compounds present but no clinical trials demonstrate effects
• Traditional use suggests digestive and vitality support - historical context only, no modern clinical validation

## Mechanism of Action

EGCG (epigallocatechin gallate) inhibits catechol-O-methyltransferase (COMT) and modulates PI3K/Akt signaling pathways, while also chelating [reactive oxygen species](/ingredients/condition/antioxidant) through its trihydroxyl phenolic groups. EGC (epigallocatechin) similarly scavenges free radicals and may inhibit pro-[inflammatory](/ingredients/condition/inflammation) COX-2 enzyme activity. These mechanisms are extrapolated from general green tea catechin research and have not been confirmed in studies specific to Jade Dragon Tea.

## Clinical Summary

No clinical trials have been conducted using Jade Dragon Tea specifically as an intervention or supplement. Available data derives exclusively from compositional studies documenting catechin and mineral profiles in brewed infusions. While EGCG from general Camellia sinensis preparations has demonstrated [antioxidant](/ingredients/condition/antioxidant) and metabolic effects in human trials, those findings cannot be directly attributed to Jade Dragon Tea without cultivar-specific research. The evidence base for this ingredient is therefore rated as insufficient for any health claim.

## Nutritional Profile

Jade Dragon Tea (Camellia sinensis) is a green tea cultivar with a well-characterized polyphenol and mineral composition based on analytical studies. Catechins are the dominant bioactive compounds: epigallocatechin gallate (EGCG) ranges from 117–442 mg/L, epigallocatechin (EGC) from 203–471 mg/L, with additional catechins including epicatechin (EC) and epicatechin gallate (ECG) present in smaller quantities. Total catechin content varies significantly with brewing parameters (water temperature, steeping time, leaf-to-water ratio). Mineral content is notably high relative to other analyzed tea varieties, with potassium at 92–151 mg/L representing the highest mineral concentration; trace amounts of calcium, magnesium, and manganese are also present. Polyphenols beyond catechins include flavonoids (quercetin, kaempferol glycosides) and gallic acid derivatives. As a brewed beverage, macronutrient content is negligible: carbohydrates, protein, and fat are near zero per standard serving (200–250 mL). Caloric contribution is essentially nil (<2 kcal per cup). Caffeine is present as with all Camellia sinensis preparations, estimated at 20–45 mg per 200 mL cup depending on brew strength, though specific Jade Dragon Tea caffeine data is limited. L-theanine, a characteristic amino acid of green tea associated with relaxed alertness, is presumed present based on cultivar classification but specific quantification for this variety is not documented. Bioavailability of catechins from brewed green tea is moderate (estimated 20–30% absorption), influenced by food matrix, [gut microbiome](/ingredients/condition/gut-health), and individual [metabolism](/ingredients/condition/weight-management). No fiber or fat-soluble vitamins are meaningfully delivered via infusion.

## Dosage & Preparation

No clinically studied dosage ranges are available for Jade Dragon Tea in any form (extract, powder, or standardized preparation). General green tea infusions show catechin levels (EGCG 117-442 mg/L) and caffeine (141-338 mg/L), but without standardization protocols or clinical dosing guidelines specific to this cultivar. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

As a Camellia sinensis cultivar, Jade Dragon Tea carries the same safety profile as standard green tea, including potential gastrointestinal discomfort and nausea when consumed in large amounts on an empty stomach. High catechin intake from concentrated green tea preparations may interact with anticoagulants such as warfarin and reduce absorption of non-heme iron. Caffeine content warrants caution in individuals with anxiety disorders, cardiac arrhythmias, or hypertension, and pregnant women are generally advised to limit total daily caffeine below 200 mg. No cultivar-specific toxicology data exists for Jade Dragon Tea.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses specific to Jade Dragon Tea exist in the research provided. The only study cited (PMID: 17899383) analyzes mineral and catechin levels in commercial green teas but reports no clinical outcomes. All evidence is limited to general Camellia sinensis green tea composition without specific health effects data.

## Historical & Cultural Context

As a Camellia sinensis cultivar, Jade Dragon Tea fits within Chinese traditional medicine systems where green teas have been used for centuries to aid [digestion](/ingredients/condition/gut-health), promote vitality, and balance qi. Processing methods like 'yellowing' for yellow teas (potentially related) date to imperial Chinese practices spanning over 1,000 years, though no specific historical use for this named variant is documented.

## Synergistic Combinations

L-theanine, quercetin, vitamin C, ginger extract, turmeric

## Frequently Asked Questions

### How much EGCG does Jade Dragon Tea contain compared to regular green tea?

Jade Dragon Tea contains EGCG in the range of 117–442 mg/L and EGC at 203–471 mg/L in brewed form, placing it at the higher end of catechin concentrations among green tea cultivars. Standard commercial green teas typically yield 50–300 mg/L of total catechins, suggesting Jade Dragon Tea may be a relatively catechin-dense cultivar, though exact comparisons depend heavily on brewing temperature, steeping time, and leaf grade.

### Is there clinical evidence that Jade Dragon Tea improves health?

No clinical trials have specifically studied Jade Dragon Tea in human participants, and current published research is limited to compositional analyses reporting catechin and mineral concentrations. Any health benefits attributed to this tea are extrapolated from broader Camellia sinensis research, not cultivar-specific evidence. Until controlled human studies are conducted, no verified health outcomes can be assigned to Jade Dragon Tea.

### What minerals does Jade Dragon Tea provide?

Jade Dragon Tea provides potassium in the range of 92–151 mg/L, which is notably the highest mineral content documented among the cultivars studied in available compositional data. While potassium supports electrolyte balance and cardiovascular function, the quantities delivered per typical serving of brewed tea are modest compared to dietary food sources such as bananas or legumes. Other mineral concentrations have been identified but potassium stands out as the dominant mineral in this cultivar.

### Can Jade Dragon Tea interact with medications?

The high catechin content of Jade Dragon Tea, particularly EGCG, may reduce the bioavailability of certain drugs including nadolol and other beta-blockers, and may potentiate or interfere with anticoagulant therapies like warfarin through mild anti-platelet activity. Additionally, tannins in green tea can bind iron and reduce non-heme iron absorption by up to 25–50% when consumed with meals. Individuals on thyroid medications, chemotherapy agents, or stimulant drugs should consult a healthcare provider before regular consumption.

### How does Jade Dragon Tea differ from other green tea cultivars?

Jade Dragon Tea is distinguished primarily by its documented catechin profile, with EGC concentrations (203–471 mg/L) potentially exceeding its EGCG levels at the lower measurement range, which is an atypical ratio compared to most green tea cultivars where EGCG typically dominates. It also shows notably high potassium content (up to 151 mg/L) relative to other studied cultivars. However, without standardized head-to-head agronomic or clinical comparisons, definitive differentiation from other high-catechin cultivars such as Yabukita or Longjing remains limited.

### What is the recommended daily intake of Jade Dragon Tea for general wellness?

While no standardized clinical dosage exists for Jade Dragon Tea specifically, typical green tea consumption studies use 2-3 cups daily (approximately 200-300 mL per cup). For Jade Dragon Tea, this translates to a catechin intake of roughly 234-1,326 mg of EGCG daily depending on steeping duration and water temperature. Start with 1-2 cups daily and adjust based on individual tolerance, as excessive consumption may cause caffeine-related side effects.

### Is Jade Dragon Tea safe for pregnant women and nursing mothers?

Jade Dragon Tea contains caffeine (typical green tea levels of 25-50 mg per cup) and catechins, which warrant caution during pregnancy and lactation; most medical guidelines recommend limiting to 1 cup daily or consulting a healthcare provider beforehand. While the mineral content (potassium, etc.) is generally beneficial, the lack of pregnancy-specific safety data for this cultivar makes conservative intake prudent. Nursing mothers should note that caffeine passes into breast milk and may affect infant sleep.

### How does brewing method affect the catechin content and quality of Jade Dragon Tea?

Water temperature and steeping time significantly influence catechin extraction, with studies showing EGCG ranges from 117-442 mg/L depending on these variables; hotter water and longer steeping (3-5 minutes) generally yield higher catechin levels than brief infusions. Jade Dragon Tea's delicate leaves require careful brewing at 160-180°F (70-80°C) to avoid bitterness while maximizing polyphenol content. Resteeping the same leaves 2-3 times still provides measurable catechins, though concentrations decline with each infusion.

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