{"id":182199,"date":"2025-09-15T08:00:11","date_gmt":"2025-09-15T06:00:11","guid":{"rendered":"https:\/\/www.ainia.com\/?p=182199"},"modified":"2026-04-10T11:05:53","modified_gmt":"2026-04-10T10:05:53","slug":"ionic-gelation-method-a-key-technique-for-the-microencapsulation-of-active-compounds","status":"publish","type":"post","link":"https:\/\/www.ainia.com\/en\/ainia-news\/ionic-gelation-method-a-key-technique-for-the-microencapsulation-of-active-compounds\/","title":{"rendered":"Ionic gelation method: A key technique for the microencapsulation of active compounds"},"content":{"rendered":"

The ionic gelation method<\/strong> is a widely applied technique in the field of microencapsulation, particularly in sectors such as food and cosmetics. Its success lies in the ability to immobilise or encapsulate active compounds under mild conditions, while preserving their functionality, stability, and bioavailability.<\/p>\n

In this article, we explore in detail what the ionic gelation method<\/strong> is, its principles, key materials and parameters, as well as its practical applications in the production of high-value microencapsulated products.<\/p>\n

What is the ionic gelation method?<\/strong><\/h2>\n

The ionic gelation method<\/strong> is an encapsulation technique based on the formation of a gel-like matrix through the interaction between polyanionic polymers and multivalent cations. It is used to create a physical and functional barrier between a target compound, such as bioactive ingredients, enzymes, microorganisms or aromas, and the surrounding environment.<\/p>\n