Analysis of black-streak defects on food-container screw caps
Analysis of black-streak defects on food-container screw caps作者机构：Research InstituteBaoshan Iron&Steel Co.Ltd.Shanghai 201999China
出 版 物：《Baosteel Technical Research》 (宝钢技术研究（英文版）)
年 卷 期：2021年第15卷第1期
页 面：29-33页
学科分类：0832[工学-食品科学与工程（可授工学、农学学位）] 08[工学] 083201[工学-食品科学]
主 题：food-container screw cap black-streak two-dimensional gas chromatography time-of-flight mass spectrometry
摘 要：The cause of black-streak defects on food-container screw caps is analyzed by two-dimensional gas chromatography time-of-flight mass spectrometry,morphological analysis,and energy-dispersive X-ray *** immersion experiment was conducted with the cap immersed in different concentrations of acetic acid to simulate the growth of black *** experimental results show that the acetic acid concentration in food is closely related to the appearance of the black-streak *** acid is speculated to permeate into the gaps of the cap,followed by the formation of ferric acetate(light brown solid).The ferric acetate then breaks through the paint surface and its color coincides with that of the paint,which leads to the formation of the black-streak defects.
维普期刊数据库
同方期刊数据库