Occurrence of a nonsulfated chondroitin proteoglycan in the dried saliva of Collocalia swiftlets (edible bird's-nest)

• Main Authors: Hiroki Nakagawa, Yoichiro Hama, Toshihisa Sumi, Su Chen Li, Karol Maskos, Kittiwan Kalayanamitra, Shuji Mizumoto, Kazuyuki Sugahara, Yu Teh Li
• Format: Journal
• Published: 2018
• Subjects: Biochemistry, Genetics and Molecular Biology
• Online Access: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=33846556947&origin=inward; http://cmuir.cmu.ac.th/jspui/handle/6653943832/60920
• Institution: Chiang Mai University

Despite their wide occurrence, proteoglycans (PGs) have never been isolated from the saliva of higher animals. We found that the Collocalia glycoproteins isolated from edible birds'-nests (the dried forms of regurgitated saliva of male Collocalia swiftlets) were rich in a PG containing nonsulfa...