Compounds of formula (I) are in particular represented by the products sold by the company COGNIS under the name PLANT AREN?? (600 CS/U, 1200 and 1300) or PLANT ACARE?? (818 and 1200); - Anionic derivatives of alkyl polyglucosides: The anionic derivatives of alkyl polyglucosides can in particular be citrates, tartrates, sulfonates, carboxylates, carbonates and ethers of glycerol obtained from alky