Pvpp Fining25249-54-1

Pharmacopoeia Name: Crospovidone

Chemical Name: Crospovinylpyrrolidone, PVPP

INCI/CTFA Name: Insoluble PVP

CAS No.: 25249-54-1,9003-39-8

Polyvinylpolypyrrolidone (PVPP) is a critical component in the production of high-quality wine and beer. Its ability to selectively bind and remove haze-forming polyphenols and tannins addresses key challenges related to clarity, taste, and stability in these beverages. In winemaking, PVPP improves the clarity and taste of the wine while stabilizing its color, resulting in a product that is both visually appealing and enjoyable to drink. In beer production, PVPP prevents chill haze, ensuring that the beer remains clear and stable throughout its shelf life, thereby enhancing its marketability and consumer appeal.

As the beverage industry continues to evolve and consumer expectations rise, the role of PVPP in ensuring the production of clear, stable, and high-quality beverages will remain crucial. Its effectiveness, versatility, and ease of use make it an indispensable tool for winemakers and brewers alike, contributing to the ongoing success and growth of the global beverage market.

1. General properties and solubility

PVPP is supplied as white or off-white powder with a slight special odor, basically tasteless, insoluble in water and various organic solvents.

2. Hygroscopicity

PVPP's water absorption rate increases with increasing relative humidity.

3. Small amount of gel formation

The formation of gel inhibits the penetration of water into the tablet, slowing down the disintegration of the tablet. Unlike some other disintegrants, PVPP is insoluble and has no tendency to form gel at all.

4. Complexation and solubility-aiding effect

PVPP can form complexes with a variety of medicines and other substances. The formation process is reversible and will not form in alkaline media. It is easier to form complexes with aromatic compounds containing phenyl and/or carboxyl groups. Therefore, in the pharmaceutical industry, it can improve the solubility and bioavailability of medicines, improve the taste of paracetamol, adsorb and remove polyphenols and tannins from tinctures and herbs, and has the effect of resisting diarrhea, gastritis, ulcers, esophageal hiatal cancer, etc.

5. Good compatibility

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