3) 30 W ultrasound treatment: Strawberries treated with 30 W for 5 min (30W5M)
4) 30 W ultrasound treatment: Strawberries treated with 30 W for 10 min (30W10M)
5) 60 W ultrasound treatment: Strawberries treated with 60 W for 5 min (60W5M)
6) 60 W ultrasound treatment: Strawberries treated with 60 W for 10 min (60W10M)
7) 90 W ultrasound treatment: Strawberries treated with 90 W for 5 min (90W5M)
8) 90 W ultrasound treatment: Strawberries treated with 90 W for 10 min (90W10M)