Many scientific researches have been carried out on utilization of whey which is considered as a waste in dairy industry. It is hazardous to dispose whey directly in to the environment because several toxic substances are formed during decomposition of whey and it can cause several harmful consequences on the environment. Whey protein fraction consists of many useful nutrients that can be benefitial to human nutrition. This study presents the possible applications on whey in food industry and other fields and the possibility to recycle the whey incorporating them in to secondary dairy products.

Materials and Methods Collection of plant materialsLeaves of Dawul Kurundu/kudu dawla (Neoletsea involucrate) were collected from Kalutara, Sri Lanka. Collection of vegetable varietiesFive types of high respiratory vegetable varieties were collected from the local market and subjected to the study. Those are Gotuloka (Centella asiatica), Mukunuvenna (Alternanthera sessilis), Kankun (Ipomoea aquatic), Leaks (Allium schoenoprasu), Green chili (Capsicum annum