title: Synthesis and moisture absorption and retention activities of a carboxymethyl and a quaternary ammonium derivative of alpha,alpha-trehalose.
abstract: Carboxymethyl alpha,alpha-trehalose (CMT) and a quaternary ammonium derivative of alpha,alpha-trehalose (QT) were successfully prepared, and their moisture absorption and retention activities were assessed. Results showed that both CMT and QT had better moisture absorption abilities at 43% and 81% relative humidity (RH) than alpha,alpha-trehalose. In addition, the two alpha,alpha-trehalose derivatives had better moisture retention abilities than alpha,alpha-trehalose under three humidity conditions: 81% RH, 43% RH, and under dry conditions. Therefore, carboxymethylation and quaternarization could improve the moisture absorption and retention abilities of alpha,alpha-trehalose. CMT and QT showed better moisture absorption ability and moisture retention ability than that of hyaluronan (HA), and could potentially find a use as moisture retention ingredient, for example, in cosmetics.
authors.affiliation: Yantai Institute of Coastal Zone Research for Sustainable Development, Chinese Academy of Sciences, Yantai 264003, PR China.
authors.forename: Shaoli
authors.initials: S
authors.lastname: Yang
authors.forename: Zhanyong
authors.initials: Z
authors.lastname: Guo
authors.forename: Yuling
authors.initials: Y
authors.lastname: Zhou
authors.forename: Lili
authors.initials: L
authors.lastname: Zhou
authors.forename: Qinzhao
authors.initials: Q
authors.lastname: Xue
authors.forename: Fengping
authors.initials: F
authors.lastname: Miao
authors.forename: Song
authors.initials: S
authors.lastname: Qin
mesh_terms: D000042:Absorption; D009682:Magnetic Resonance Spectroscopy; D000644:Quaternary Ammonium Compounds / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D014199:Trehalose / Q000031:analogs & derivatives / Q000138:chemical synthesis* / Q000737:chemistry*
chemical_list: D000644:Quaternary Ammonium Compounds; D014199:Trehalose