Tannins are a group of complex polyphenolic compounds found in many plants. They have the ability to form strong complexes with proteins, polysaccharides, alkaloids, and other macromolecules. Tannins are known for their astringent taste and their ability to precipitate proteins, which is why they are often used in tanning leather and in the clarification of … Read more
Flavonoids are a diverse group of polyphenolic compounds found in plants, characterized by a common structure consisting of two aromatic rings (A and B) joined by a three-carbon bridge that usually forms a closed pyran ring (C). They are widely recognized for their beneficial effects on health due to their antioxidant, anti-inflammatory, and anti-carcinogenic properties. … Read more
The Ferric Chloride Test is a common qualitative test used to identify the presence of tannins in a given sample. Tannins, being polyphenolic compounds, react with ferric chloride to produce a characteristic color change. Here’s how the Ferric Chloride Test for tannins is conducted: Procedure 1. Preparation of Sample: Obtain a sample suspected to contain … Read more
