... devel-opment of novel and sensitive assay methods, improvements in the isolation,purification, and characterization of natural products, and new production methods [22]. It is clear that,although ... India where several agencies have put in substantialfunds over the past three decades, effective methods of operation and main-tenance as well as training of rural people associated with the system ... orangeand lemon squash, commercial tomato soup, yogurt preparations with orwithout CMC. Immunological methods for detection of xanthan gum inDevelopment of Biotechnology in India113various products...