This work was aimed to study the effect of four different model regimes, namely A. 20-25°C/90 days, B. 45-50^C/90 days, C. 45-50X712 hrs, 35-40°a30 days, 30°C/60 days and D. -2 to -5°=°C/12 hrs, 7-8°C/30 days, 20-25°C/60 days on the microbiological (yeasts, moulds) and sensory quality, aw-value and pH of croissant Resanka with nougat filling during 90 days of storage (0,15, 30,45,60 and 90°C day). It has been found from the obtained results that in spite of the best sensory evaluation the regime A did not meet the hygienic requirements for the long-time storage. Although it is true that regimes B and C did not enable the surviving of micro-organisms during the storage, the products were unacceptable from the sensory point of view. Experiments in the regime D have confirmed that the initial storage at low temperatures is optimum for ensuring the microbiologically and sensorically stable products. © 2000 Czech Academy of Agricultural Sciences. All rights reserved.