基于桑椹花青素有高稳定性的可视双层指示剂用于监测中华绒螯蟹的新鲜度。
A visual bi-layer indicator based on mulberry anthocyanins with high stability for monitoring Chinese mitten crab freshness.
机构信息
School of Food and Biological Engineering, School of Agricultural Equipment Engineering, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China; College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, 128 North Railway Street, Gulou District, Nanjing 210023, China.
School of Food and Biological Engineering, School of Agricultural Equipment Engineering, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China.
出版信息
Food Chem. 2023 Jun 15;411:135497. doi: 10.1016/j.foodchem.2023.135497. Epub 2023 Jan 18.
In this study, a bilayer film (BIF) was fabricated to improve the stability of an anthocyanin-based freshness indicator film. The sensor layer consists of gellan gum (GG) and mulberry anthocyanin (MAE) for freshness indication. The oxygen barrier layer was constructed from chitosan (CS), polyvinyl alcohol (PVA), sodium alginate (SA), and pullulan (Pu) to the protection of MAE from oxidation. The highest antioxidant activity of BIF was 91.28 %. BIF was used to monitor the Chinese mitten crab freshness. The total volatile basic nitrogen (TVB-N) level was increased to 31.23 mg/100 g on day 8, and the color of the indicator presented a visible change from pink to dark green. The acquired results revealed a good correlation between TVB-N, pH, and color change of the indicator. The research indicated that the BIF was applied for freshness monitoring of Chinese mitten crab and displayed significant color changes that would be effective in commercial environments.
本研究制备了双层膜（BIF）以提高基于花青素的新鲜度指示膜的稳定性。传感器层由用于新鲜度指示的结冷胶（GG）和桑椹花青素（MAE）组成。氧气阻隔层由壳聚糖（CS）、聚乙烯醇（PVA）、海藻酸钠（SA）和普鲁兰（Pu）构建，以保护 MAE 免受氧化。BIF 的最高抗氧化活性为 91.28%。BIF 用于监测中华绒螯蟹的新鲜度。总挥发性碱性氮（TVB-N）水平在第 8 天增加到 31.23mg/100g，指示剂的颜色从粉红色变为深绿色，呈现出可见的变化。获得的结果表明 TVB-N、pH 值和指示剂颜色变化之间存在良好的相关性。研究表明，BIF 可用于监测中华绒螯蟹的新鲜度，并显示出明显的颜色变化，在商业环境中可能非常有效。
Zotero 插件