Chitosan coating effects on respiration rate and internal gas composition of 'Fuji' apple and 'Satsuma' mandarin

• Published in: Food science and biotechnology Vol. 17; no. 4
• Main Authors: Ko, J.A. (Korea University, Seoul, Republic of Korea), Kim, K.M. (Korea University, Seoul, Republic of Korea), Lee, J.S. (Sangmyung University, Seoul, Republic of Korea), Park, H.J. (Korea University, Seoul, Republic of Korea), E-mail: hjpark@korea.ac.kr
• Format: Journal Article
• Language: English
• Published: 01.08.2008
• Subjects: 'Fuji' apple; 'Satsuma' mandarin; CHITOSAN; CHITOSANE; EDIBLE FILMS; FILM COMESTIBLE; internal gas composition; QUITOSANO; RESPIRACION; RESPIRATION
• ISSN: 1226-7708; 2092-6456

Effects of chitosan coating on respiration rate and internal gas composition of 'Fuji' apple and 'Satsuma' mandarin were investigated and compared to wax emulsions and two commercial coating materials. Chitosan coating reduced respiration rate significantly (p less than 0.05) in 'Fuji' apple and 'Satsuma' mandarin compared to uncoated and other coating materials. Chitosan coating on 'Fuji' apple showed the highest CO₂ and the lowest O₂ concentration in the internal gas composition at 5℃ but showed no differences compared to other coating materials at 20℃. 'Satsuma' mandarin showed significantly high CO₂ concentration in chitosan coating at 20℃ but there were not significant differences among coating materials in CO₂ and O₂ composition at 5℃.