Dear Oluwaseun may be you can read this articles...

Article Comparison of ultrasound-assisted extraction and microwave-a...

Thanks Mohd Azrie Awang. Please can you send the full paper to me?

Dear Oluwaseun

The main difference between convencional methods and microwave-assisted and ultrasonic-assisted extraction is basically the time during the extraction. This guaranteeing lower costs due to energy consumption, although the equipment may be more expensive. for more information you may consult this paper. I hope you succeed

Comparisons between conventional, microwave- and ultrasound-assisted methods for extraction of pectin from grapefruit

Thanks so much Danger Tabio García for your contribution.