Poonkuil, N. L.; Raja, J. D. DRYING EFFECTS ON ULTRASONIC ASSISTED PHENOLIC YIELDS AND RETENTIVENESS OF ANTIRADICAL PROPERTIES OF COMMON CULINARY SPICES GINGER (ZINGIBER OFFICINALE) AND TURMERIC (CURCUMA LONGO): HPTLC AND GC - MS PROFILE FOR THEIR ACTIVE INGREDIENTS ASSESSMENT. Int. J. Res. Granthaalayah 2017, 5, 7-23.