墨鱼
材料科学
色调
介孔材料
结构着色
无定形固体
化妆品
纳米技术
食品科学
光子晶体
有机化学
化学
光学
光电子学
物理
催化作用
作者
Jiao Chu,Yan Chen,Shi‐Ying Tan,Yuanyuan Liu,Wenzhe Liu,Xiaohan Liu,Lei Shi,Haifang Wang,Wei Li,Jian Zi
标识
DOI:10.1002/adom.202102125
摘要
Abstract Due to the scarcity of blue color in the natural food palette, synthetic blue edible colorants are commonly used in daily life. With growing awareness of environmental hazards and potential side‐effect impacts of synthetic food colorants on customers’ health, synthetic blue edible colorants are no longer a good choice. Here, a strategy of mixing two edible sub‐microspheres, mesoporous hollow TiO 2 sub‐microspheres or SiO 2 sub‐microspheres and cuttlefish ink particles, is reported to produce mass amorphous photonic structures (APSs) with structural color. The hues can be tuned by controlling the size of mesoporous hollow TiO 2 sub‐microspheres, and the saturation is strongly related to the proportion of cuttlefish ink particles. Cytotoxicity assays and evaluation of bioaccessibility in the simulated human digestive system further prove the safety of the blue structural colorants. The blue structural colorants exhibit high color visibility, thermostability, and reliable food safety, which are promising properties for food, drugs, and cosmetics.
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