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Green tea has attracted the attention of healers and researchers for thousands of years in places like China and Japan. EGCG, one of its main components, didn’t earn a scientific spotlight until the late 20th century, when analytical tools caught up with traditional knowledge. By isolating EGCG in the lab, researchers began noticing its antioxidant qualities and its potential to influence how cells behave. With growing interest, manufacturers soon started extracting EGCG for supplements, functional drinks, and cosmetics. From humble leaves brewed by emperors to a compound found in everything from bottled skincare serums to capsules on pharmacy shelves, EGCG built an impressive trajectory. Old texts celebrated green tea for longevity, while today’s scientific papers name EGCG as the molecule behind many of those claims.
Once extracted from green tea, EGCG appears as a fine, pale powder. Suited for supplements, skincare, and functional foods, this active compound arrives in concentrated forms or blended with other botanical extracts, depending on its intended use. Dietary supplement companies often source EGCG to market products promoting heart, metabolic, and cognitive wellness. Food and beverage sectors use it for calorie-control drinks and energy-boosting blends. Even cosmeceutical makers look to EGCG to combat visible aging and calm environmental stress. Each sector focuses on EGCG’s strengths, striving for products that meet consumer desires for wellness, appearance, and vitality.
EGCG stands out as a slightly yellow powder with a faint herbal aroma. It dissolves in hot water, struggles in oil, and reacts to air and light. Often, it adopts a bitter taste, so food technologists work hard to mask or balance it in recipes. Chemically, EGCG belongs to the flavonoid family. With a molecular structure chock full of hydroxyl groups, it interacts strongly with proteins and free radicals. Its capacity to mop up reactive oxygen species drives much of the attention it receives in nutrition and medicine. Stability remains a challenge, so researchers spend years searching for better ways to store and deliver EGCG without losing its potency.
Manufacturers stick to tight standards when preparing EGCG extracts to meet regulatory requirements. Pure EGCG content, residual solvents, and levels of heavy metals receive priority in quality control. Certificates of analysis list EGCG content, moisture, and microbial levels. Packaging often highlights the amount of EGCG per serving—sometimes bolded front and center if human health claims come with it. Food and supplement labels in the US, Europe, and Asia may each demand different phrasing, so companies monitor regional guidelines. Clarity matters, since customers want authenticity and transparency in their wellness purchases.
Tea leaves go through extraction—usually with water or alcohol—to draw out EGCG and related catechins. Filtration removes plant solids, then column chromatography or crystallization isolates EGCG from less active compounds. Purity matters not just for legal reasons but for stability and bioactivity. Some processes avoid harsh chemicals entirely, winning approval from “clean label” crowds and organic certifiers. Each step, from harvest to powder, can shift the final yield and quality, leaving chemists and engineers searching for the most cost-effective, sustainable, and gentle methods. Small tweaks in extraction temperature or solvent choice often decide the success of an entire production batch.
EGCG goes beyond simple extraction—chemical tweaks change its absorption and biological reach. Encapsulating EGCG within liposomes or cyclodextrins offers protection from oxygen and digestive breakdown, which matters for supplements and cosmetics. Glycosylation or acylation can make EGCG more water-soluble, less bitter, or longer-lasting, opening doors for use in beverages and creams. The phenolic structure also reacts with proteins, a property that affects its behavior in food mixes and skin applications. Research advances in this space continue to tackle EGCG’s notorious instability, and the industry pushes hard for solutions that translate the molecule’s lab promise into everyday use.
EGCG sometimes lands in scientific literature as (-)-epigallocatechin-3-gallate, epigallocatechin gallate, or EGCg. Consumer products use shorthand, skipping chemical jargon in favor of "green tea extract" or "antioxidant tea catechin." In technical catalogs or pharmaceutical grade products, expect to see standardized notations, batch numbers, and even purity percentages attached to EGCG labeling. For those shopping in health markets, a supplement may feature the name EGCG prominently, often paired with milligram quantities—hoping to catch the eye of those in search of natural solutions to modern health problems.
Manufacturing EGCG goes hand in glove with safety protocols, both for those making it and those later consuming it. Food and supplement makers train staff on dust hazards, solvent handling, and potential skin contact risks. Regulations call for food-grade, allergen-free conditions, monitored for microbial and heavy metal contamination. Consumer safety studies show EGCG well tolerated in typical tea infusions, but doses found in supplements draw greater scrutiny. High concentrations may bring side effects like liver strain, especially if combined with fasting or other caffeine supplements. Regulators in North America, Europe, and Asia sometimes limit serving sizes or flag potential health risks on packaging. Staying safe means following evidence and erring on the side of caution in both preparation and use.
View EGCG as a workhorse in several industries: nutrition, medicine, personal care, and scientific research. Nutritionists embrace it for heart, brain, and metabolic wellness, crediting its antioxidant power. Dermatologists and beauty scientists use EGCG for skin-calming and anti-aging serums, believing its ability to fight free radicals and soothe visible redness. Athletic coaches and supplement formulators eye it for fat-burning and workout recovery – though the real impact on energy metabolism remains under debate in peer-reviewed circles. Even food technologists use EGCG’s antioxidant properties to keep oils and prepared foods fresher longer, offering label-conscious consumers a “natural” alternative to synthetic preservatives.
Current research sprawls across dozens of fields, exploring EGCG’s roles in areas that stretch from cardiology to oncology and endocrinology to neuroscience. Scientists focus on how EGCG interacts with lipid membranes, how it alters gene expression, and whether doses safe for daily use can really make an impact on blood pressure, glucose control, or neurodegenerative symptoms. In the lab, animal and cell models probe at its mechanisms, uncovering both promise and complexity; the data often conflict depending on dosage, delivery method, and model system. Industry partnerships send researchers in search of more stable, bioavailable forms, while clinical researchers push for clearer answers on how EGCG translates to real human benefit.
Decades of green tea consumption suggest EGCG’s safety in traditional dietary forms. Yet concentrated extracts bring new challenges. High doses—well above what a teapot would yield—show signs in some studies of liver toxicity, particularly among people with underlying health issues or those stacking supplements during weight loss regimens. Europe’s food safety authority and the US National Institutes of Health each reviewed human adverse event data and issued guidance, warning about potential risks at high intake. Ongoing trials pair EGCG with blood markers and genetic data, aiming to pinpoint safe usage amounts and flag vulnerable groups. Responsible companies now stress moderate dosing and urge customers to follow medical advice rather than chasing quick health wins.
EGCG’s future stretches far beyond its green tea origins. If researchers can solve stability and absorption challenges, expect wider adoption in medical nutrition, personalized supplements, and premium skin care. Gene and protein-level studies raise the prospect of pairing EGCG with targeted therapies in chronic disease or recovery settings. Synthetic biology may soon deliver EGCG analogs with even stronger or more specific actions, blurring the line between supplement and drug. Consumer interest in natural, evidence-based health solutions ensures that investment in EGCG research and product innovation remains strong. As global wellness trends blend with new biotechnologies, EGCG stands ready to fill both ancient and modern health needs—provided that safety, honesty, and clear communication stay at the center of its story.
Epigallocatechin gallate, more often called EGCG, shows up in green tea and sometimes in supplements. You’ll probably hear about it during chats on nutrition, or maybe see it in a bottle at the health food store. Some days, you might wonder if it’s just a buzzword. After reading up on it and hearing advice from dietitians, I've learned that EGCG offers some real benefits that go beyond hype.
Inflammation lingers behind many chronic conditions, from aching joints to high blood pressure. Adding EGCG to a daily routine, especially through green tea, seems to calm some of that fire. A review published in the journal Nutrients in 2022 made it clear: people who drink green tea show fewer signs of inflammation in their bloodwork. You also see lower “bad” cholesterol—LDL falls, which lowers the risk of plaque build-up in arteries. My own father, a lifelong tea drinker, always talked about how he just felt better overall with a couple of cups a day, and research now backs up some of what he believed.
Memory slips a bit as the years stack up; that’s just part of getting older. EGCG seems to help sharpen things. A few clinical studies suggest that EGCG supports blood flow to the brain and protects nerve cells from damage caused by free radicals. The Journal of Alzheimer’s Disease featured a study where subjects on EGCG performed better in simple cognitive tasks. Drinking green tea isn’t a magic elixir, but small steps like this add up. I’ve seen older relatives keep their minds active with daily cups of green tea as part of their routine, and the science offers some reassurance.
Weight loss advice floods social media feeds every spring, but keeping things realistic matters most. EGCG appears to help with metabolism—specifically, it nudges the body to burn more fat, even when resting. A 2018 meta-analysis in Phytomedicine reported modest but real support for weight loss among people who consume green tea or EGCG supplements. I tried swapping a sugary drink for iced green tea during a busy summer, and the lighter, less bloated feeling was noticeable. Small habits backed by science hold up through the seasons.
No one wants to pick up every cold that goes around the office. In laboratory settings, EGCG blocked certain viruses and even cut back on bacteria growth. Some researchers believe EGCG boosts immune cells and helps them do their job. Though more human research still helps, the early data points in a good direction. Taking care of your immune system isn’t just about pills and powders; it means building habits based on solid studies.
Drinking three to five cups of green tea each day fits into most people’s lifestyles and stays within safe limits. EGCG supplements, on the other hand, can cause stomach upset or even impact liver health when taken in high doses. I always pay attention to what my doctor says and keep in mind recommendations from sources like the National Institutes of Health. For most, choosing tea over capsules means you get benefits without as much risk.
With so many promises on store shelves, EGCG stands out because the benefits line up with traditional wisdom and mounting modern evidence. Simple habits—like brewing green tea—add up over a lifetime, supporting the heart, mind, and immune system in practical ways.
People looking for a boost in their wellness routine sometimes reach for EGCG, the fancy name for epigallocatechin gallate. This compound comes packed in green tea and brings plenty of promise, from supporting heart health to fighting inflammation. Some folks pop an EGCG pill hoping to capture the supposed benefits without downing multiple cups of tea.
Before celebrating the potential, it makes sense to slow down and talk about possible risks. Research points out that taking EGCG through supplements, especially in high doses, doesn’t work like sipping regular green tea. Concentrated extracts deliver far more EGCG than anyone would drink naturally.
Clinical studies highlight concerns at higher doses—usually above 800 mg a day. The most concerning side effect crops up in the liver. A review of reports by the U.S. Pharmacopeia found dozens of cases linking green tea extracts to liver injury, with symptoms like jaundice and elevated enzymes. The European Food Safety Authority flagged that even 300 mg daily over long periods could pose risks for some people.
Those who notice fatigue, dark urine, or yellowing skin should pay attention, since these could signal something off. Doctors sometimes link supplement-induced liver strain to people who are already on other medications or those with existing health conditions. Regular check-ups and honest conversations with a healthcare provider go a long way here.
Milder issues show up too. Some people report headaches, upset stomach, or dizziness when starting high-dose EGCG. Others deal with diarrhea or a jittery feeling. The caffeine in green tea is pretty gentle, but extracts occasionally concentrate it, ramping up those side effects even in caffeine-sensitive people.
A handful of studies warn that EGCG can interact with medications—blood thinners, for example. It might slow how quickly the liver breaks down drugs. A 2020 article in Food and Chemical Toxicology also pointed out that combining EGCG with statins, antidepressants, or certain antibiotics can create tricky cross-effects. That’s something worth discussing with a pharmacist before mixing supplements with prescriptions.
Green tea itself rarely causes trouble. Problems almost always come from concentrated capsules, which bypass natural moderation. After talking to a few friends who work as dietitians, they often repeat the importance of trying food-based sources first. A cup or two of green tea fits comfortably in a balanced diet; piling on capsules takes away the built-in safety net offered by food.
Experts don’t write off EGCG altogether. They call for responsible supplement use, staying below 300 mg per day unless a clinician suggests otherwise. Quality control matters too. Some products contain more EGCG than the label claims, and others sneak in extra stimulants or fillers. Choosing brands tested by third-party labs can cut back on nasty surprises.
Thinking about all this, the lesson seems clear—supplements aren’t shortcuts. Paying attention to one’s body, respecting professional advice, and trusting food as the primary source of nutrients stack the odds in favor of good health. While EGCG offers something special in a cup of green tea, cramming it into pills opens doors best entered with care.
Everyone has heard some hype around green tea’s benefits. Most of the credit goes to a compound tucked inside the leaves called epigallocatechin gallate—EGCG. People want to know how much EGCG makes sense to take, so the answer matters for anyone eyeing a wellness boost or cautious about safety.
EGCG has become one of the most researched antioxidants. Studies suggest certain doses might deliver real benefits: supporting heart health, helping with metabolism, or fighting off a bit of inflammation. Clinical research often uses EGCG doses ranging from 150 mg to 800 mg per day. A comprehensive review published in the Journal of Nutrition flagged doses toward the lower end of this range as both helpful and less likely to bother the stomach or liver.
Lab scientists run controlled trials and watch closely for side effects. At the higher end (around 800 mg daily), a small number of people report dizziness, headache, or minor digestive trouble. Reports of liver stress mostly crop up with very high doses—usually above what supplements sell. For healthy adults, doses up to 300 mg seem well tolerated based on several randomized clinical trials.
A lot of folks try to mimic traditional habits in Japan and China, regions where green tea gets sipped all day. Still, a brewed cup contains far less EGCG—usually somewhere between 30–50 mg per cup. Taking supplements blows past those levels quickly. From my own conversations with dietitians and supplement users, many land in the ballpark of 200–300 mg per day. Some space out doses, even taking two small capsules instead of one big gulp.
Longtime tea drinkers rarely report issues at these levels, but that doesn’t make supplements risk-free. I have come across folks who tried mega-doses hoping for quicker weight loss and ended up with headaches or mild nausea. It’s smart to check labels since some formulas mix in a wild variety of ingredients alongside EGCG, which can muddy the body’s response.
Liver injury linked to green tea supplements makes headlines now and then. Most cases involve ultra-high doses, or mixing with medications that already tax the liver. People with preexisting liver concerns or those taking prescription drugs should get their healthcare provider in the loop before starting EGCG. In the nutrition world, more doesn’t usually mean better—just more risk.
It’s helpful to remember food-based EGCG acts differently than a concentrated pill or extract. Drinking brewed green tea offers a gentler ramp-up for the body to absorb catechins, while concentrated extracts can hit the system hard and fast. That difference matters for folks looking for a gentle daily routine rather than a drastic intervention.
The supplement market booms on promises, but health grows from a balance of skepticism and evidence. Sticking to reputable brands that show third-party testing cuts risks of contamination. Registered dietitians recommend keeping single-ingredient EGCG doses below 300 mg per day unless a doctor points otherwise. Little details matter: take EGCG with some food to ease the stomach and steer clear of washing it down with too much alcohol.
Sometimes, returning to the basics—eating whole foods, drinking green tea, and listening to the body's cues—sets a strong foundation. EGCG can play a supporting role, but it shows the best results when people match the dose to their needs, not to online trends. Evidence and experience work best hand in hand, guiding choices that put well-being, not fads, in the driver’s seat.
Green tea earns a spotlight in almost every conversation about weight loss. Walk down the supplement aisle, you’ll see the acronym “EGCG” printed on a legion of bottles promising to torch belly fat. This little compound stands for epigallocatechin gallate, a mouthful that comes from a cup of steeped Camellia sinensis. People want to believe that a natural green leaf could melt away stubborn pounds. The real story, though, asks for honest curiosity about what goes on inside a body—and how science squares with daily effort.
The claim rides on EGCG’s ability to mildly boost metabolism and encourage fat to give up stored energy. That comes mostly from lab studies and small human trials. Some research sees that people sipping green tea extracts burn a few more calories each day. One review published in The American Journal of Clinical Nutrition found that participants saw an average increase in daily energy expenditure—up to about 80 extra calories—after EGCG-rich green tea supplementation. The body takes signals from compounds like EGCG and starts breaking down stored fat more quickly, at least in theory. But the difference often looks modest, especially when compared to actual changes from exercise or cutting ultra-processed food.
Capsules and teas promise a shortcut, but weight loss pulls in more factors than any one substance can handle alone. As someone who’s watched hundreds of friends and family try everything from powdered supplements to juice cleanses, I see a pattern. Trust in a capsule’s magic powers dries up once reality sets in—fatigue, mood swings, and cravings. Long-term weight changes usually trace back to habits: less snacking, more walking, better sleep, and home-cooked meals. Very few say EGCG—or any extract—changed their waistlines on its own.
Researchers at the Mayo Clinic warn that studies using EGCG supplements often run for only a few weeks or months. The doses in those trials jump well beyond what someone gets from two or three cups of basic green tea each day. The human body adjusts over time, and those early changes in metabolism may disappear after a while. That’s a common theme with supplements. Plus, some people feel jittery or get an upset stomach after taking too much EGCG, which puts a damper on using it to overhaul health.
Putting all eggs in the EGCG basket distracts from the basics that make weight loss stick. Regular movement—walking, biking, even gardening—trains the body to torch fat more efficiently day in and day out. Watching portions, eating more protein and fiber, and cutting sugar-heavy drinks tend to move the scale faster and safer than any trendy pill. Drinking green tea can make a cozy, healthy ritual, but no compound in a leaf makes hard-earned lifestyle changes obsolete.
If someone really wants to try EGCG, it makes sense to keep expectations in check and stick close to natural green tea instead of megadose supplements. Always wise to check with a healthcare provider, because liver troubles and drug interactions can crop up with higher doses. After years reading studies and listening to people’s stories, it looks clear that no single extract ever replaced the long game—quiet discipline, daily choices, and patience with progress that lasts.
EGCG, short for epigallocatechin gallate, stands out as the main antioxidant in green tea. Many believe it protects cells from damage, helps with metabolism, and even plays a role in heart health. Green tea capsules and drinks find their way into lots of homes, usually under the promise of boosting energy or burning fat. Plenty of folks in my circle have started dropping EGCG into their daily routine, right next to vitamins and prescription pills.
Most people would like to believe natural equals safe. In reality, plant-based supplements behave more like drugs than most expect. EGCG interacts with certain medications, especially those processed by the liver’s cytochrome P450 system. If anything has ever made your doctor warn you about grapefruit, that’s the same enzyme family at play.
Take blood thinners like warfarin. Studies show EGCG can boost the risk of bleeding if taken together. Diabetes medications face similar issues since green tea extracts could lower blood sugar, raising the risk of dangerous drops when combined. For anyone taking chemo drugs, EGCG can either make these medications less effective or, in rare cases, more toxic. There have even been cases where people suffered liver injuries after mixing green tea extract with other pills.
EGCG doesn’t just tangle with prescription meds. Folks stacking it with other supplements may run into trouble, too. For example, mixing it with high doses of vitamin E or vitamin C sometimes strains the liver more than you’d expect. Iron supplements stand out as another trouble spot—EGCG can block iron absorption, which doesn’t help folks chasing better energy for anemia.
Many ignore caution labels, just assuming more antioxidants lead to better health. Yet our bodies have limits, and too many antioxidants at the wrong time can blunt exercise gains or upset regular cell function. My neighbor started taking both EGCG and high-dose curcumin, hoping for supercharged inflammation relief, but wound up with nasty digestive problems and off-the-chart liver enzymes. It’s not an isolated story.
Instead of tossing every supplement into the cart, take stock of what you already use. It helps to write everything down and bring that list to your pharmacist or physician. Online resources like MedlinePlus or NIH’s supplement fact sheets keep up-to-date lists about known drug-supplement interactions. I keep printed sheets in my kitchen drawer for family reference—a simple way to dodge repeated mistakes.
Sticking close to recommended doses makes a difference. Most EGCG-related problems came from people taking way more than the bottle suggested or mixing several green tea extract products in the same day. Before starting EGCG, get liver tests done—especially if you have any underlying concerns.
The supplements market changes fast. Companies reformulate, new information comes out, and personal health shifts. Checking in with a health professional every few months helps avoid silent pitfalls. Instead of chasing after every trend, a little cautious planning and honest conversation about what you take every day goes a long way to preventing real harm.
| Names | |
| Preferred IUPAC name | (2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3-yl 3,4,5-trihydroxybenzoate |
| Other names |
Epigallocatechin-3-gallate EGCg Epigallocatechin gallate Epigallocatechin 3-O-gallate (-)-Epigallocatechin gallate |
| Pronunciation | /ˌɛp.iˌɡæl.oʊˈkæ.tə.kɪn ˈɡæl.eɪt/ |
| Preferred IUPAC name | (2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3-yl 3,4,5-trihydroxybenzoate |
| Other names |
(-)-Epigallocatechin-3-gallate Epigallocatechin-3-O-gallate Epigallocatechin gallate EGCG |
| Pronunciation | /ˌɛp.iˌɡæləˈkætʃɪn ˈɡæleɪt/ |
| Identifiers | |
| CAS Number | 989-51-5 |
| Beilstein Reference | 109953 |
| ChEBI | CHEBI:4806 |
| ChEMBL | CHEMBL41783 |
| ChemSpider | 14251 |
| DrugBank | DB02151 |
| ECHA InfoCard | 13be40d2-6217-4dea-9d5d-1e3b2e534a59 |
| EC Number | 609-119-0 |
| Gmelin Reference | 79330 |
| KEGG | C12168 |
| MeSH | D000081007 |
| PubChem CID | 65064 |
| RTECS number | MD8210000 |
| UNII | QHN1RB53U7 |
| UN number | UN3077 |
| CAS Number | 989-51-5 |
| Beilstein Reference | 1761814 |
| ChEBI | CHEBI:4806 |
| ChEMBL | CHEMBL278667 |
| ChemSpider | 20519041 |
| DrugBank | DB12122 |
| ECHA InfoCard | 03dbc22a-7dce-4c30-8a61-4f74cc344e3a |
| EC Number | 609-994-2 |
| Gmelin Reference | 82598 |
| KEGG | C12009 |
| MeSH | D000077194 |
| PubChem CID | 65064 |
| RTECS number | MD0180000 |
| UNII | QHN3OGL4J3 |
| UN number | UN3077 |
| CompTox Dashboard (EPA) | DTXSID9022229 |
| Properties | |
| Chemical formula | C22H18O11 |
| Molar mass | 458.37 g/mol |
| Appearance | Light yellow to pale green powder |
| Odor | Odorless |
| Density | 1.3 g/cm3 |
| Solubility in water | 10 g/L (20 °C) |
| log P | 0.71 |
| Acidity (pKa) | 7.72 |
| Basicity (pKb) | pKb ≈ 9.45 |
| Refractive index (nD) | 1.650 |
| Dipole moment | 3.13 D |
| Chemical formula | C22H18O11 |
| Molar mass | 458.37 g/mol |
| Appearance | Light yellow to pale green powder |
| Odor | Odorless |
| Density | ~1.1 g/cm³ |
| Solubility in water | <20 g/L (20 °C) |
| log P | 0.69 |
| Acidity (pKa) | 7.8 |
| Basicity (pKb) | 6.85 |
| Magnetic susceptibility (χ) | -7.2 × 10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.665 |
| Dipole moment | 3.98 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 321.6 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -1077.2 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -3353 kJ/mol |
| Std molar entropy (S⦵298) | 396.06 J·mol⁻¹·K⁻¹ |
| Std enthalpy of combustion (ΔcH⦵298) | -3813 kJ/mol |
| Pharmacology | |
| ATC code | A16AX14 |
| ATC code | A16AX14 |
| Hazards | |
| Main hazards | May cause respiratory irritation. |
| GHS labelling | GHS labelling of Epigallocatechin Gallate EGCG: **"Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008."** |
| Pictograms | InChI=1S/C22H18O11/c23-7-15-19(29)21(31)22(32)20(30)18(15)33-12-3-1-9(2-4-12)34-17-14(27)11-8(24)5-10(25)13(11)28-16(17)26/h1-5,7,23-24,26-32H/t7-,15-,16+,17+,18-,19-,20-,21-,22-/m0/s1 |
| Signal word | Warning |
| Hazard statements | Hazard statements: H302-Harmful if swallowed. |
| Precautionary statements | Precautionary statements: P261, P264, P270, P301+P312, P304+P340, P312, P330, P501 |
| Autoignition temperature | 385 °C |
| Lethal dose or concentration | LD50 (mouse, oral): 2170 mg/kg |
| LD50 (median dose) | LD50 (median dose) of Epigallocatechin Gallate EGCG: "2170 mg/kg (oral, rat) |
| NIOSH | NAN |
| PEL (Permissible) | 10 mg/m3 |
| REL (Recommended) | 500 mg per day |
| IDLH (Immediate danger) | No IDLH established. |
| Main hazards | May cause respiratory irritation. May cause eye irritation. May cause skin irritation. |
| GHS labelling | GHS07, GHS08 |
| Pictograms | CN1C=NC2=C1N=CN2[C@@H]3CO[C@@H](O)[C@H](O)[C@H]3O |
| Signal word | Warning |
| Hazard statements | Hazard statements: H302-H319-H335 |
| Precautionary statements | Precautionary statements: "P264, P270, P273, P301+P312, P330, P501 |
| NFPA 704 (fire diamond) | NFPA 704: 1-1-0 |
| Lethal dose or concentration | LD50 (mouse, oral): 2170 mg/kg |
| LD50 (median dose) | LD50 (median dose) of Epigallocatechin Gallate EGCG: "1860 mg/kg (oral, rat) |
| NIOSH | Not Listed |
| PEL (Permissible) | 10 mg/m3 |
| REL (Recommended) | 300 mg per day |
| IDLH (Immediate danger) | Not established |
| Related compounds | |
| Related compounds |
Catechin Epicatechin Epicatechin gallate Epigallocatechin Gallocatechin gallate |
| Related compounds |
Catechin Epicatechin Epicatechin gallate (ECG) Epigallocatechin (EGC) Gallocatechin gallate (GCG) Gallocatechin Gallic acid Theaflavin |
