Functional ingredients added to foods or beverages become part
of the system where they are prone to interact with other components
and cause detrimental effect in overall product quality. The
storage stability of the nutraceutical ingredient incorporated in the
food product is an important attribute that influences its bioactive
viability . Therefore,
testing the stability and quality is a primary step while developing
functional food products. The loss of one or more product constituents
such as nutrients or flavors, or the formation of off-flavors are
the limits that set the shelf life. Several food and beverage products,
including fruit juices and health drinks have been incorporated
with functional ingredients for their unique wellness promoting
role along with consumer appeal and marketability