Food additives Europe numbers: E1202
Crospovidone is a type of synthetic polymer used as a pharmaceutical excipient. It is a cross-linked polyvinylpyrrolidone that is insoluble in water, alcohol, and other organic solvents. It is used in a variety of pharmaceuticals and nutraceuticals as a binding, disintegrating, and suspending agent. Crospovidone can also be used as a coating agent for tablets and capsules, as a film-forming agent for transdermal patches, and as a stabilizing agent for vitamins and other active ingredients.
Crospovidone is a man-made, white to slightly yellow, odorless, and tasteless powder commonly used as a disintegrant in tablets and capsules. A disintegrant is an inactive ingredient that helps a tablet or capsule break apart quickly after it is swallowed. This allows the medication to be released and absorbed into the body.
Here are some key points about crospovidone:
- Chemically: It is a synthetic, cross-linked polymer of N-vinyl-2-pyrrolidone.
- Function: It works by wicking moisture into the tablet, causing it to swell and break apart.
- Safety: It is considered safe for most people when used in the recommended amounts in medications.
- Common uses: Crospovidone is found in many different types of medications, including:
- Over-the-counter pain relievers, such as ibuprofen and acetaminophen
- Prescription medications, such as antibiotics and antidepressants
- Dietary supplements
International Numbering System (INS) for Food Additives: 1202
Polyvinylpolypyrrolidone (PVP), also known by its alias povidone, can be used as a food excipient, but its applications are limited and specific. Here's a breakdown of its properties and why it's not as common in food compared to other excipients:
What is Polyvinylpolypyrrolidone (PVP)?
- Synthetic polymer: PVP is a synthetic, water-soluble polymer made from repeating units of N-vinylpyrrolidone. It comes in various grades with different molecular weights, affecting its properties.
Limited Use in Food:
- Safety considerations: While generally safe, PVP is not as readily absorbed by the body and may pass through the digestive system undigested. Regulatory bodies like the US FDA have not established it as generally recognized as safe (GRAS) for all food applications.
- Alternatives: There are other food-grade excipients with a longer history of safe use in food, making them preferable choices for most food manufacturers.
More Common Applications of PVP:
PVP finds wider use in other industries due to its versatility:
- Pharmaceuticals: A common excipient in medications for binding ingredients, stabilizing formulations, and controlling drug release.
- Cosmetics and personal care products: Used as a thickener, film former, and binder in various products.
- Industrial applications: PVP can be used in adhesives, coatings, and textile processing.
Potential Food Applications (with limitations):
- Beverage clarification: Under specific regulations and limitations, some PVP grades might be used to clarify juices or other beverages by removing haze-causing particles.
- Film-forming agent: In specific cases, PVP could be used as a film-coating agent for certain food applications, but strict regulations would apply.
Safety and Regulations:
- Limited approvals: If PVP is to be used in food, it would require approval from regulatory bodies based on safety data, intended use, and specific PVP grade.
- Stringent regulations: Due to safety considerations, any permitted use of PVP in food would likely have strict limitations on the amount and specific applications.
Overall:
While PVP has potential applications in food processing, its use is uncommon due to safety considerations and the availability of safer alternatives. Strict regulations would govern any permitted use of PVP in food.