According to the nutritional needs of middle-aged populations,fatty acids composition and content were detected by gas chromatography,with oil tea camellia seed oil,linseed oil,corn oil,radish seed oil and DHA algal oil as raw materials.A correlation model was established and the proportion of fatty acids in the medium-aged nutritious oil was optimized by Matlab mathematical software.The proportion of fatty acids in formula met the recommended requirements.After heating,the stability of the ble...