**2.3 Bio-active packaging**

Bio-active packaging is those packaging materials that employ the use of active biological materials to support/improve shelf stability of package foods. They are novel concept of technologies intended to help in the production of functional foods, whose bioactive principles and actuators are devised to be contained within packaging or coating materials [47]. The bioactive compound is extra nutritional


#### **Table 2.**

*Intelligent packaging indicators and their application.*

components present in a small amount in foods such as fruits, vegetables, legumes, herbs and spices. They are usually extracted from these foods as probiotics, polyphenos, essential oils, fatty acid or vitamins or as bacteriocin extracted from bacteria.
