EGCG Extract

EGCG Extract

1. Product Name: Green tea extract
2. Part used: Leaf
3. Specification:EGCG 15, 45%, 50%
4. Appearance: Brown yellow powder or off white powder
5. Test Method: HPLC
6. CAS No.: 148707-39-5
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Description
Technical Parameters

What is EGCG Extract?

 

EGCG Extract is a standardized botanical ingredient that is mainly derived from the leaves of Camellia sinensis with a high level of epigallocatechin gallate (EGCG), which is among the largest levels of catechin compounds naturally found in green tea. It is placed on the high-purity, functional-characterized raw material, which is highly utilized in the dietary supplement production, functional food development, and beverage innovation industries. The process is normally done by controlled water or ethanol extraction and then purification and concentration to reach specified levels of EGCG content, which are usually in a range of 40% to 98% by HPLC, and depends on the needs of the application and cost-performance factors. It is treasured due to its stability in phytochemical profile, appearance of light brown to off-white powder, and good solubility properties in aqueous systems, which make it suitable in capsules, tablets, ready-to-mix powders, and liquid formulations. It is also used as an antioxidant ingredient in the formulation system because it is a plant-based antioxidant component, which is used in product positioning in the category of clean-label beverages, plant-based nutrition, and performance-oriented supplement blends.

 

EGCG-Extract

 

COA

 

Item Specification Result Method
Appearance Light yellow to light brown fine powder Light yellow fine powder Visual
Assay (EGCG, HPLC) 45% 45% HPLC
Total Polyphenols ≥90% 92% UV Spectrophotometry
Loss on Drying ≤5% 4.20% GB/T 5009.3 / AOAC
Ash ≤5% 3.80% AOAC 923.03
Lead (Pb) ≤2 ppm 1.2 ppm ICP-MS
Arsenic (As) ≤1 ppm 0.5 ppm ICP-MS
Cadmium (Cd) ≤1 ppm 0.3 ppm ICP-MS
Mercury (Hg) ≤0.1 ppm 0.05 ppm ICP-MS
Ethanol Residual Solvent ≤5000 ppm 350 ppm GC
Other Residual Solvents Not Detected ND GC
Total Plate Count ≤1000 CFU/g 450 CFU/g USP / ISO 21528
Yeast & Mold ≤100 CFU/g 20 CFU/g USP / ISO 21528
E. coli Negative ND USP / ISO 21528
Salmonella Negative ND USP / ISO 21528

 

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Side Effects

 

Formulation-wise and regulatory-wise, the side effects of EGCG Green Tea Extract tend to be dependent on the dosage level, concentration of the product, as well as the individual tolerance, as opposed to the product itself when applied in the normal industry specifications. When taken in large doses or in high levels of concentration, it can cause gastrointestinal adverse effects, including mild stomach discomfort or nausea, especially when it is taken without food, and it can also be linked to short-term effects like headache or sensitivity to naturally occurring caffeine residue when not completely extracted in the processing stage. It is also known in the industry that a high dose of purified catechins (EGCG) can overstretch the metabolic processing capability of the liver, and hence numerous international recommendations and responsible manufacturers have stressed the controlled daily amount of intake and proper labeling of finished products. Besides this, it is also noted that it is capable of reacting with some minerals or lowering the bioavailability of particular nutrients in complex formulations, and thus, a close compatibility test needs to be done during the product development.

 

EGCG Formulation Pairings

 

It is often used in commercial formulation practice as a complementary ingredient to various other ingredients in order to attain functional balance, stability, and positioning of finished products in the market, as opposed to being used as a standalone ingredient. It is commonly used together with other plant-based polyphenols, such as resveratrol or quercetin, to make multi-source botanical blends with more comprehensive compositional profiles, whilst amino acids such as L-theanine are included to fit beverage and capsule formulations that focus on balanced ingredient systems. Besides that, vitamin matrices, that is, vitamin C, are usually applied together with it to facilitate formulation stability and oxidation during shelf life. Different sources of natural caffeine are also combined with Pure EGCG in powder drink mixes and functional foods to enhance the processing functionality and dispersibility. On the aspect of delivery systems, the advanced applications can be co-formulation with phospholipids or encapsulation agents to increase the management of ingredients, decrease hygroscopicity, and maximize dispersion in liquid systems. In the case of manufacturers, such combinations are technologically compatible, sensory influenced, and regulatory positioned as opposed to symbolic functional consequences, and in the development of scalable formulations, much attention needs to be paid to interactions, processing conditions, and compliance of the target market.

 

EGCG-Extract-Product-Direction

 

Product Direction

 

1. Functional Ready-to-Drink (RTD) Beverages

EGCG Powder is applied in bottled teas and botanical drinks, which would provide a standardized content of polyphenols and offer the clear-label advantage.

2. Effervescent Tablets and Instant Drink Powders

Appropriate for dissolving rapidly in powders and stick packs, and dispersible well, as well as compatible with flavors.

3. Capsule and Tablet Blends

Applied in solid dose forms together with other nutritional or botanical ingredients in the controlled loading of ingredients.

4. Functional Gummies and Chewable Formats

Coated or encapsulated into gummy or chewable products in order to stabilize them and make them less bitter.

5. Nutrient-Enriched Snack Bars and Powders

Meal powders and dry mixes added to protein bars can be used together with macronutrient matrices.

6. Liquid Concentrates and Shot Products

In liquid forms with low volumes, there is a need to have solubility and control of pH.

7. Cosmetic and Personal Care Formulations

Applied as an ingredient in topical preparations in serums, creams, and masks as a functional ingredient of plant origin.

8. Oral Care Products

Added as part of a mouthwash, toothpaste, or oral sprays, and emphasized on solubility and flavor.

9. Encapsulated Ingredient Premixes

Refined into microencapsulated or spray-dried premixes so as to be easier to handle and safeguard against environmental influences.

10. Functional Film and Strip Products

Applied on oral films or strips, which are fast dissolving and loading, taste, and matrix stability can be controlled accurately.

 

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