EFFECT OF IRRADIATION ON FAT OXIDATION OF DRIED PET FOOD Effect of Storage on Qua lity of Oil in Camellia oleifera Cake Comparative Study on Ultrasonic Extraction and Solvent Reflux Extraction of Oil from Cucurbita moschata Kernels Effect of Long-term Storage on Ac id Va lue and Perox ideVa lue of O il2tea Camellia Seed O il