Chinese scientists develop biodegradable cellulose film that blocks 99% oxygen and signals food spoilage
Researchers at the Chinese Academy of Sciences have developed a nanocellulose-based packaging film that combines high oxygen barrier properties with a built-in colour-change freshness indicator, offering a biodegradable alternative to multi-layer petrochemical packaging.


© Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China

© GNT Group
https://www.europeana.eu/en/item/11634/_AWI_MAKROALGEN_AWIHMM_GERMANY_Main_5342_1 


