Optimized Extraction of Resveratrol from Arachis repens Handro by Ultrasound and Microwave: A Correlation Study with the Antioxidant Properties and Phenol Contents

Table 4

Trans-resveratrol contents (mg/g extract) obtained in the present study by different extractive methodologies in optimized conditions.

Methodology	Time	Methanol %	Stirring (rpm)	Temperature (°C)	Relation solid-solvent (w/v)	t-resveratrol content; (mg/g extract)
Maceration	1 hour	80	—	—	1 : 50
Ultrasound assisted	5 minutes	80	—	—	1 : 40
Microwave assisted	20 minutes	90	1200	60	1 : 35	2.516