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http://dx.doi.org/10.3746/jkfn.2016.45.5.778

Preparation of Sea Urchin Skeleton Film Containing Robinia pseudoacacia Flower Extract  

Yang, Hyun-Ju (Department of Food Science and Technology, Chungnam National University)
Song, Kyung Bin (Department of Food Science and Technology, Chungnam National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.45, no.5, 2016 , pp. 778-781 More about this Journal
Abstract
Sea urchin skeleton (SUS) generated from production of sea urchin eggs was used as a biodegradable film base material, and its composite film with gelatin was prepared. In addition, Robinia pseudoacacia flower extract (RFE) was incorporated into the film-forming solution to provide antioxidant and anti-microbial activities. The tensile strength (TS) of the SUS/gelatin composite films increased with increasing gelatin content, whereas elongation at break (E) decreased. Among the composite films, SUS/gelatin film at a ratio of 8:2 (w/w) exhibited the most desirable TS and E values. Furthermore, SUS composite film containing RFE showed a reduced TS and increased E compared to the control film. Based on 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) and 2,2-diphenyl-1-picrylhydrazyl radical scavenging assays and disc diffusion results against growth of Listeria monocytogenes, antioxidant and anti-microbial activities of films increased with increasing RFE concentration. Consequently, SUS composite film containing RFE showed proper physical properties as well as antioxidant and anti-microbial activities. These results indicate that SUS can be used as a film base material while the SUS composite film containing RFE can be utilized as active packaging.
Keywords
biodegradable film; sea urchin skeleton; Robinia pseudoacacia flower extract;
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Times Cited By KSCI : 7  (Citation Analysis)
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