1. Introduction to Food Packaging
2. Colorants for Polymers CFR 178.3297 Regulation U.S. Food & Drug Administration Silver Spring Maryland US 2021.https://www.govinfo.gov/app/details/CFR-2000-title21-vol3/CFR-2000-title21-vol3-sec178-3297/context.
3. Food Ingredients & Packaging Regulation U.S. Food & Drug Administration Silver Spring Maryland US 2021. https://www.fda. gov/food/food‐ingredients‐packaging.
4. Packaging & Food Contact Substances Regulation U.S. Food & Drug Administration Silver Spring Maryland US 2021.https://www.fda.gov/food/food-ingredients-packaging/packaging-food-contact-substances-fcs.