TY - JOUR T1 - Preparation and characterization of indicator films from carboxymethyl-cellulose/starch and purple sweet potato (Ipomoea batatas (L.) lam) anthocyanins for monitoring fish freshness. AU - Jiang,Guangyang, AU - Hou,Xiaoyan, AU - Zeng,Xuedan, AU - Zhang,Can, AU - Wu,Hejun, AU - Shen,Guanghui, AU - Li,Shanshan, AU - Luo,Qingying, AU - Li,Meiliang, AU - Liu,Xingyan, AU - Chen,Anjun, AU - Wang,Zhangying, AU - Zhang,Zhiqing, Y1 - 2019/12/06/ PY - 2019/10/10/received PY - 2019/11/27/revised PY - 2019/12/03/accepted PY - 2019/12/10/pubmed PY - 2020/10/2/medline PY - 2019/12/10/entrez KW - Anthocyanins KW - Carboxymethyl-cellulose KW - Fish freshness KW - Indicator film KW - Purple sweet potato KW - Starch SP - 359 EP - 372 JF - International journal of biological macromolecules JO - Int J Biol Macromol VL - 143 N2 - A novel indicator film from carboxymethyl-cellulose (CMC)/starch (S) and purple sweet potato anthocyanins (PSPA) was prepared and characterized. The Fourier transform infrared spectroscopic (FT-IR) analysis indicated that new interaction were generated between the components of the film, and the scanning electron microscopic (SEM) and X-ray diffraction spectra (XRD) showed that PSPA was well dispersed in CMC and starch-based film. The results from differential scanning calorimetric (DSC) analysis revealed that the novel film had increased melting temperature. The addition of PSPA into the film resulted in the increase of tensile strength but the decrease of elongation at break and moisture content. The analysis of color change demonstrated that the film color was changed from red to blue and green when exposed to different pH or ammonia. In their application trial, the SCA film was used as labels to monitor the freshness of fish stored at 20 °C, and the results showed that the color of the film was changed from red to blue when the fish became spoiled. The observation was consistent with the TVB-N value, which was higher than the set limit (20 mg/100 g). Hence, the novel indicator film could be used as intelligent food packaging to monitor fish freshness. SN - 1879-0003 UR - https://www.unboundmedicine.com/medline/citation/31816383/Preparation_and_characterization_of_indicator_films_from_carboxymethyl_cellulose/starch_and_purple_sweet_potato__Ipomoea_batatas__L___lam__anthocyanins_for_monitoring_fish_freshness_ DB - PRIME DP - Unbound Medicine ER -