TY - JOUR T1 - Anthocyanin food colorant and its application in pH-responsive color change indicator films. AU - Roy,Swarup, AU - Rhim,Jong-Whan, Y1 - 2020/06/16/ PY - 2020/6/17/pubmed PY - 2021/8/4/medline PY - 2020/6/17/entrez KW - Anthocyanin KW - biopolymer film KW - color indicator KW - natural colorant KW - pH-responsive KW - smart food packaging SP - 2297 EP - 2325 JF - Critical reviews in food science and nutrition JO - Crit Rev Food Sci Nutr VL - 61 IS - 14 N2 - Recently, interest in smart packaging, which can show the color change of the packaging film according to the state of the food and evaluate the quality or freshness of the packaged food in real-time, is increasing. As a color indicator, a natural colorant, anthocyanin, drew a lot of attention due to their various colors as well as useful functions properties such as antioxidant activity and anti-carcinogenic and anti-inflammatory effects, prevention of cardiovascular disease, obesity, and diabetes. In particular, the pH-responsive color-changing function of anthocyanins is useful for making color indicator smart packaging films. This review addressed the latest information on the use of natural pigment anthocyanins for intelligent and active food packaging applications. Recent studies on eco-friendly biodegradable polymer-based color indicator films incorporated with anthocyanins have been addressed. Also, studies on the use of smart packaging films to monitor the freshness of foods such as milk, meat, and fish were reviewed. This review highlights the potential and challenges for the use of anthocyanins as pH-responsive color-changing films for intelligent food packaging applications, which may be beneficial for further development of smart color indicator films for practical use. SN - 1549-7852 UR - https://www.unboundmedicine.com/medline/citation/32543217/Anthocyanin_food_colorant_and_its_application_in_pH_responsive_color_change_indicator_films_ DB - PRIME DP - Unbound Medicine ER -