The present invention relates to a compound of the following formula (I) (wherein at least one and only one group selected from R5, R6 and R7 is a group of the following formula). The invention relates to the use of a compound as described above for the storage and / or protection and / or regeneration of biomaterials and / or microorganisms and for cosmetic or dermatological applications such as anti-aging, skin protection and skin regeneration; It also relates to culture media, storage media and / or storage media comprising a compound of claim 1; a cosmetic or dermatological composition comprising a compound as described above; a method for preparing the compound as described above; and a synthetic intermediate.本発明は、下記式(I)(式中、R5、R6及びR7から選択される少なくとも1個であって1個のみの基が、下記式の基である。)の化合物に関する。本発明は、生体材料及び/又は微生物の保存及び/又は保護及び/又は再生のため並びにアンチエイジング、皮膚保護及び皮膚再生等の美容用途又は皮膚科学的用途のための上述の化合物の使用;上述の化合物を含む培養媒体、貯蔵媒体及び/又は保存媒体;上述の化合物を含む美容用又は皮膚科学的組成物;上述の化合物を調製するための方法;並びに合成中間体にも関する。