Thickeners, gelling agents, acidifying agents, preservatives... There are several categories of additives use in a food Industries. There are often products from Natural sources such as Agar Agar which is obtained from variety of Algae.
Essential in modern day creative cookery, especially molecular cuisine, several professionals use texturizers to refine and better control the texture of their recipes. Certain thickeners and gelling agents can reduce fat and glucide components whilst maintaning an interesting aspect, texture and consistency in the mouth. All these additives and texturizers are allowed in the European Union and are consitent with the latter Regulation 1333/2008 which reclassified and evaluated toxicity in all these products. Some may be limited or prohibited in some applications.