Table 5 The amount of glycyrrhizic acid composition according to the optimal points of different extraction methods.

From: Advanced extraction of Glycyrrhiza glabra root extract using a combined ultrasonic and cold plasma reactor

Extraction methods

Glycyrrhizic acid (mg/g extract)

UAE

113.67 ± 0.03c

Cold plasma

115.25 ± 0.01b

Combined ultrasonic-cold plasma

118.64 ± 0.02a

  1. UAE: 153 W, 6.15 min; Cold Plasma: 27% Ar/air, 6.23 min; Combined Ultrasonic-Cold Plasma : 114 W, 6.17 min, 92% Ar/air; According to the LSD test, the means with a common letter do not have a significant difference at the 1% probability level (P < 0.01).
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