Liquorice roots (Glycyrrhiza glabra) Science Image

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Liquorice roots (Glycyrrhiza glabra). This root from the Glycyrrhiza glabra plant produces a sweet flavouring which is extracted by boiling the root. Liquorice extract is traded both in solid and syrup form. Its active principle is glycyrrhizin, a sweetener more than 50 times as sweet as sucrose. It is used in confectionary as well as a medicine.