Strictinin: A Key Ingredient of Tea

Area of Science:

• Phytochemistry
• Pharmacology

Background:

• Strictinin, an ellagitannin, is a major phenolic compound in Pu'er tea, unlike catechins found in other teas.
• Pu'er tea is empirically known for various therapeutic effects.

Purpose of the Study:

• To review the functional activities and applications of strictinin.
• To highlight strictinin as the key active ingredient in Pu'er tea.

Main Methods:

• Literature review of studies on strictinin's properties and applications.
• Analysis of strictinin's abundance in Pu'er tea compared to catechins.

Main Results:

• Strictinin demonstrates a wide range of functional activities: antiviral, antibacterial, anti-obesity, laxative, anticaries, anti-allergic, antipsoriatic, antihyperuricemia, antidiabetic, and anticancer.
• Strictinin is identified as the primary driver of Pu'er tea's medicinal effects.

Conclusions:

• Strictinin is the key ingredient responsible for Pu'er tea's health benefits and medicinal properties.
• Functional applications include Pu'er tea-based food, cosmetics, beverages, and oral care products.
• Further research is anticipated to uncover more activities and applications of strictinin.