Tea Polyphenols

Tea polyphenols are an important class of natural compounds found in tea leaves and are collectively referred to as polyphenolic compounds. They mainly include catechins, flavonoids, anthocyanins, and phenolic acids. Among these, catechins are the most significant type of tea polyphenols, primarily comprising epigallocatechin gallate (EGCG), epicatechin (EC), epigallocatechin (EGC), and epicatechin gallate (ECG).


Appearance: White powder

Test Method: HPLC

Specification: tea polyphenols 98% EGCG Powder 50%


Specifications of Theanine Powder

Product nameGreen Tea Extract EGCG Powder tea polyphenols
GradeFood grade
AppearanceWhite powder
Specificationtea polyphenols 98% EGCG Powder 50%
Test MethodHPLC
Brandnatural field
Shelf life24 months
SolubleSoluble in DMSO and ethanol, almost insoluble in water.
StorageProduct should be preserved in tightly closed containers protected from light, heat, and air. Do not expose to alkalis.



Certificate of Analysis

ItemSpecificationResultsMethods
Assay
Polyphenols≥98.00%106.93%UV
Catechins≥70.00%88.94%HPLC
EGCG≥4500%52.43%HPLC
Caffeine≤3.00%0.45%HPLC
Appearance
Buff,sandy ordark brown
powder
ConformsOrganoleptic
OdorCharacteristicConformsOrganoleptic
TasteCharacteristicConformsOrganoleptic
Physical &Chemical Characteristics
Loss on drying≤5.00%2.71%GB 5009.3
Particle size>95%through 80 meshConformsScreening
Bulk density0.40g/ml-0.60g/ml0.47g/mlGB 18798.5
Heavy Metals≤10.00ppmConformsGB 5009.74
Lead(Pb)≤0.50ppmConformsGB 5009.12
Cadmium(Cd)≤0.10ppmConformsGB 5009.15
Mercury(Hg)≤0.10ppmConformsGB 5009.17
Arsenic(As)≤0.50ppmConformsGB 5009.76
MicrobiologicalTests
Total Plate Count≤1000cfu/gConformsGB 4789.2
Yeast&Mold≤100cfu/gConformsGB 4789.15
E.ColiNegativeNegativeGB 4789.38
SalmonellaNegativeNegativeGB 4789.4
StaphylococcusNegativeNegativeGB 4789.10
ConclusionConform to the In-house standard.


Physiological Effects and Health Benefits

Antioxidant: Tea polyphenols possess strong antioxidant capabilities, which can neutralize free radicals, reduce oxidative stress, and protect cells from damage.Anti-inflammatory: Tea polyphenols have...
Physiological Effects and Health Benefits
  1. Antioxidant: Tea polyphenols possess strong antioxidant capabilities, which can neutralize free radicals, reduce oxidative stress, and protect cells from damage.

  2. Anti-inflammatory: Tea polyphenols have anti-inflammatory properties that can help reduce inflammation and alleviate symptoms of inflammation-related diseases.

  3. Antibacterial and Antiviral: Tea polyphenols can inhibit the growth of various bacteria and viruses, aiding in the prevention of infections.

  4. Cardiovascular Health: Tea polyphenols help lower blood pressure, reduce low-density lipoprotein (LDL) cholesterol, improve cardiovascular health, and reduce the risk of heart disease.

  5. Anti-cancer: Research suggests that tea polyphenols may have anti-cancer properties, capable of inhibiting the growth and spread of cancer cells.

  6. Weight Loss and Metabolic Regulation: Tea polyphenols can aid in weight loss by increasing metabolism and promoting fat oxidation.

  7. Neuroprotection: Tea polyphenols may have neuroprotective effects, helping to prevent neurodegenerative diseases such as Alzheimer’s and Parkinson’s disease.


Chemical Composition

Tea polyphenols are collectively referred to as polyphenolic compounds and mainly include the following categories:

  1. Catechins: These primarily include epigallocatechin gallate (EGCG), epicatechin (EC), epigallocatechin (EGC), and epicatechin gallate (ECG).

  2. Flavonoids: This category includes compounds such as quercetin and kaempferol.

  3. Anthocyanins: These are mainly found in certain types of tea, such as black tea.

  4. Phenolic Acids: Examples include caffeic acid and gallic acid.


Deliver & Shipping

We accept intemational Express-FedexDHUPs, air shipping and sea shipping, We can ship to all over the word, even to some remote areas, suchas remote areas of Russia, countries near the north and south poles.


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