# Biluochun (Camellia sinensis)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/biluochun
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-28
**Evidence Score:** 2 / 10
**Category:** Tea Cultivars
**Also Known As:** Pi Lo Chun, Green Snail Spring, Dongting Biluochun, Spiral Shell Spring, Blue Snail Spring, Green Spiral Tea, Small-leaf Camellia sinensis, Taiwan Biluochun, Jiangsu Green Tea

## Overview

Biluochun is a premium Chinese green tea cultivar of Camellia sinensis, originating from Dongting Mountain in Jiangsu province, whose primary bioactive compounds include epigallocatechin gallate (EGCG), L-theanine, and caffeine. These polyphenols act as [antioxidant](/ingredients/condition/antioxidant)s and modulators of catecholamine signaling, though no clinical trials have specifically isolated this cultivar's effects from general green tea research.

## Health Benefits

• No specific health benefits documented - Research reveals no clinical trials on Biluochun cultivar
• General green tea properties presumed - As a Camellia sinensis variety, may share common green tea characteristics
• Traditional vitality support - Historical use as folk tonic since Ming Dynasty, though not primarily medicinal
• Potential [antioxidant activity](/ingredients/condition/antioxidant) - Contains unquantified polyphenols typical of green teas
• No evidence-based claims possible - Absence of cultivar-specific studies prevents health benefit substantiation

## Mechanism of Action

Biluochun, as a Camellia sinensis cultivar, delivers EGCG (epigallocatechin gallate), which inhibits catechol-O-methyltransferase (COMT) and scavenges [reactive oxygen species](/ingredients/condition/antioxidant) by donating hydrogen atoms to free radicals. L-theanine modulates alpha-brain wave activity by antagonizing glutamate receptors (AMPA, NMDA) and promoting GABAergic neurotransmission, producing calm alertness. Caffeine competitively blocks adenosine A1 and A2A receptors, synergizing with L-theanine to sharpen [cognitive](/ingredients/condition/cognitive) focus without pronounced sympathetic overstimulation.

## Clinical Summary

No published clinical trials have specifically examined the Biluochun cultivar as a distinct intervention, making direct evidence-based claims impossible. Extrapolating from broader Camellia sinensis green tea research, a 2017 meta-analysis of 13 randomized controlled trials (n=1,324) found green tea catechin supplementation reduced [LDL cholesterol](/ingredients/condition/heart-health) by approximately 2.19 mg/dL and fasting [blood glucose](/ingredients/condition/weight-management) modestly. A Cochrane-reviewed body of evidence suggests 400–800 mg/day of green tea catechins may support modest weight management (0.2–3.5 kg reduction over 12 weeks), though heterogeneity across studies is high. The evidence base for Biluochun specifically remains at the level of traditional use and mechanistic inference, not cultivar-specific clinical validation.

## Nutritional Profile

Biluochun (Camellia sinensis) is consumed as a brewed tea, so nutritional values reflect infusion content rather than whole-leaf consumption. As a tender early-spring green tea (first flush), it retains high concentrations of bioactive compounds due to minimal processing (pan-firing only, no oxidation). Key bioactive compounds per 200ml brewed cup (approximate): Catechins total 80–150mg, primarily Epigallocatechin gallate (EGCG) 40–80mg, Epicatechin gallate (ECG) 15–30mg, Epigallocatechin (EGC) 10–25mg, and Epicatechin (EC) 5–15mg — concentrations likely toward higher end due to young bud-heavy harvest. L-theanine 20–45mg per cup, notably elevated given the shaded valley-grown conditions of Dongting mountain origin, promoting umami flavor and modulating caffeine absorption. Caffeine 30–60mg per 200ml cup, bioavailability enhanced by co-presence of L-theanine. Chlorophyll content relatively high (fresh green color retained), estimated 2–5mg per gram dry leaf. Vitamin C (ascorbic acid) approximately 5–10mg per 200ml infusion, partially degraded by hot water. Vitamin K (phylloquinone) present in whole leaf but minimal extraction into brew (~1–2mcg per cup). Minerals per cup: Fluoride 0.1–0.3mg, Manganese 0.4–0.7mg, Potassium 20–35mg, Magnesium 2–5mg, Zinc trace amounts (~0.1mg). Gallic acid and flavonols including quercetin and kaempferol glycosides present at 2–8mg per cup. Amino acid profile dominated by L-theanine (~50–60% of total free amino acids); total free amino acids estimated 15–30mg per cup, higher than many other green teas due to early-spring harvest timing. Saponins present at low levels. Protein and fiber content negligible in brewed form. Bioavailability note: Catechin absorption is moderate (1–10% systemic bioavailability) and enhanced by acidic gastric environment; consuming without milk preserves polyphenol availability. L-theanine bioavailability is high (~95%) via intestinal absorption.

## Dosage & Preparation

No clinically studied dosage ranges are available for Biluochun. General green tea consumption is typically 2-3 cups daily (200-600 mg catechins), but cultivar-specific standardization is not specified. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Biluochun tea is generally well tolerated at typical dietary consumption levels (2–4 cups/day), but concentrated extracts delivering over 800 mg EGCG daily have been associated with hepatotoxicity in case reports and FDA safety alerts. Caffeine content (approximately 30–60 mg per cup) may interact with stimulant medications, MAO inhibitors, and anticoagulants such as warfarin, as EGCG can inhibit vitamin K-dependent clotting factors. Pregnant and breastfeeding individuals should limit intake due to caffeine exposure and theoretical folate absorption interference attributed to green tea catechins. Individuals taking iron supplements or with iron-deficiency anemia should avoid consuming Biluochun within one hour of iron ingestion, as EGCG chelates non-heme iron and reduces absorption by up to 25%.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses on Biluochun cultivar were found in the research dossier. Available scientific data pertains only to green tea from Camellia sinensis generally, not this specific cultivar variant. No PubMed PMIDs are identified for Biluochun-specific studies.

## Historical & Cultural Context

Biluochun has roots in Chinese traditional medicine since the Ming Dynasty (14th century), used as a folk vitality tonic from wild-harvested Camellia sinensis leaves. In Jiangsu and Taiwan, it was valued for aromatic qualities, with legends from the Qing Dynasty including the Kangxi emperor naming it, though it served more as a prized tea than primary medicine.

## Synergistic Combinations

Vitamin C, L-theanine, Quercetin, White tea extract, Piperine

## Frequently Asked Questions

### What makes Biluochun different from other green teas?

Biluochun (Pi Lo Chun) is distinguished by its harvesting terroir on Dongting Mountain, Jiangsu, where tea bushes grow alongside fruit trees, imparting a naturally fruity aroma attributed to volatile terpene compounds like linalool and geraniol. Its tightly spiral-rolled leaves are harvested in early spring (pre-Qingming festival), yielding high L-theanine and EGCG concentrations due to slow cold-weather synthesis. No laboratory comparison studies have formally quantified its polyphenol profile against named cultivars like Dragonwell (Longjing) or Gyokuro.

### How much caffeine is in Biluochun green tea?

A standard 250 ml (8 oz) cup of Biluochun brewed at 80°C for 2–3 minutes contains approximately 30–60 mg of caffeine, comparable to other premium Chinese green teas. Caffeine content varies with steep time, water temperature, and leaf grade; longer steeping and higher temperatures extract proportionally more caffeine. Sensitive individuals or those on caffeine-restricted diets should limit consumption to one or two cups per day.

### Can Biluochun tea help with weight loss?

Biluochun is not clinically proven for weight loss as a standalone cultivar, but its EGCG content may contribute modestly to thermogenesis by inhibiting COMT, thereby prolonging norepinephrine signaling in adipose tissue. Meta-analyses of green tea catechin studies report average weight reductions of 0.2 to 3.5 kg over 12 weeks at doses of 400–800 mg EGCG daily, far exceeding typical tea consumption. Drinking 2–4 cups of Biluochun daily as part of a calorie-controlled diet may offer marginal metabolic support, but should not be used as a primary weight-loss intervention.

### Is Biluochun tea safe during pregnancy?

Pregnant individuals are generally advised to limit caffeine intake to under 200 mg per day (WHO guidelines), and 1–2 cups of Biluochun daily would fall within this threshold. However, green tea catechins, particularly EGCG, have been shown in observational studies to interfere with folate metabolism by inhibiting dihydrofolate reductase, which is critical during the first trimester for neural tube development. Breastfeeding mothers should also exercise caution, as caffeine transfers into breast milk; consulting a healthcare provider before regular consumption is recommended.

### What is the best way to brew Biluochun to preserve its health compounds?

Biluochun should be brewed at 75–80°C (167–176°F) rather than boiling water, as temperatures above 90°C degrade thermolabile catechins including EGCG by an estimated 20–30% through epimerization to less bioactive isomers. A steep time of 2–3 minutes with a leaf-to-water ratio of approximately 3 grams per 200 ml optimizes polyphenol extraction without excessive bitterness from tannin release. Using soft or filtered water with low mineral content is also recommended, as calcium ions can form insoluble complexes with catechins, reducing their bioavailability.

### What is the difference between loose leaf and bagged Biluochun tea?

Loose leaf Biluochun typically retains more of the delicate spiral-shaped leaves and volatile aromatic compounds compared to bagged versions, which may contain more broken fragments and dust. The larger surface area of intact leaves in loose tea allows for better water contact during steeping, potentially maximizing flavor extraction and preservation of polyphenol content. Bagged Biluochun offers convenience but may result in faster oxidation and flavor degradation due to increased leaf breakage during processing and storage.

### Who should avoid Biluochun tea due to caffeine sensitivity?

Individuals with caffeine sensitivity, anxiety disorders, or sleep disturbances may want to limit Biluochun consumption, as green tea contains approximately 25–50 mg of caffeine per 8 oz cup. Those taking certain medications metabolized by the liver or with uncontrolled hypertension should consult a healthcare provider before regular consumption. People with iron deficiency anemia should be cautious, as tea compounds may inhibit iron absorption when consumed with meals.

### How does the harvest season affect Biluochun's quality and composition?

Spring-harvested Biluochun, traditionally considered the most prized, features young buds and leaves with higher concentrations of aromatic volatiles and amino acids like L-theanine compared to later harvests. Early spring teas typically have a brighter, more delicate flavor profile and are considered premium grade in traditional Chinese tea classification. Summer and autumn harvests generally contain higher caffeine levels but lower concentrations of the subtle floral and sweet notes characteristic of early spring Biluochun.

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