Bring some colour to your package: Freshness indicators based on anthocyanin extracts

Becerril, R.; Nerín, C.; Silva, F. Bring some colour to your package: Freshness indicators based on anthocyanin extracts. Trends Food Sci. Technol. 2021, 111, 495–505.

URL:

https://www.sciencedirect.com/science/article/pii/S0924224421001497