Process optimization and characterization of ultrasonic-assisted bee bread extract as functional ingredient

• Henok Woldemichael Department of Chemical Engineering, College Engineering, Addis Ababa Science and Technology University, P.O.Box 16417, Addis Ababa, Ethiopia
• Birtukan Hailemariam Mellese Department of Chemical Engineering, College Engineering, Addis Ababa Science and Technology University, P.O.Box 16417, Addis Ababa, Ethiopia