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As early as the 1950s, ultrasonic waves were used to extract bitterin from peanut oil and hops, fish oil in fish tissues, and the like. At present, ultrasonic extraction technology has been widely used in the separation and extraction of organic or inorganic components in foods, pharmaceuticals, ind

Principle of ultrasonic extractionUltrasonic extraction refers to electromagnetic waves with a frequency of about 20 kHz to 50 MHz. It is a mechanical wave that requires an energy carrier-medium to propagate. Ultrasonic has a positive and negative pressure alternating cycle during the transmission p