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Side Effects of Tea Polyphenols

03/08/2016 admin

The phenolic content in tea refers to the phenols and polyphenols, natural plant compounds which are found in tea. These chemical compounds affect the flavor and mouthfeel and are speculated to provide potential health benefits. Polyphenols in tea include catechins, theaflavins, tannins, and flavonoids. Polyphenols found in green tea include but are not limited to epigallocatechin gallate (EGCG), epigallocatechin, epicatechin gallate, and epicatechin; flavanols such as kaempferol, quercetin, and myricitin are also found in green tea.

 

General Side Effects

No significant side effects reported.

 

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Official Suggested Dosage

ADI: None (Acceptable Daily Intake)

MTDI: None (Maximum Tolerable Daily Intake)

Data Source: JECFA Database of WHO

 

Tea Polyphenols is widely known as safe, there is no limit on dosage of intake. There is no proof showing that acquiring Tea Polyphenols will do any harm to special groups, including newborns, children, pregnant, and other applicable vulnerable groups. It should be safe to use Tea Polyphenols in food and beverages as a food additive without any side effects. However, we still recommend consumers to consult food ingredient experts before using large quantity of Tea Polyphenols for long period of time. There may be some side effects in large dosage.

 

GRAS (Generally Recognized as Safe) Substances

No. Although Tea Polyphenols is not on FDA’s GRAS exemption list, it’s widely accepted and used as a safe food ingredient in many countries with specific limit on dosage.

 

Sources and Related Researches:

https://en.wikipedia.org/wiki/Phenolic_content_in_tea

http://pubchem.ncbi.nlm.nih.gov/compound/65064