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. 2008 Feb 14;10(2):153–157. doi: 10.1111/j.1751-7176.2008.07470.x

Table.

US Food and Drug Administration Limitations for the Use of Liquorice and Its Derivatives in Foods

Food Category Maximum Allowable Levels in Foods Functional Use
Baked goods 0.05 Flavor enhancer
Flavoring agent
Alcoholic beverages 0.1 Flavor enhancer
Flavoring agent
Surface active agent
Nonalcoholic beverages 0.15 Flavor enhancer
Flavoring agent
Surface active agent
Chewing gum 1.1 Flavor enhancer
Flavoring agent
Hard candy 16.0 Flavor enhancer
Flavoring agent
Soft candy 3.1 Flavor enhancer
Flavoring agent
Herbs and seasonings 0.15 Flavor enhancer
Flavoring agent
Plant protein products 0.15 Flavor enhancer
Flavoring agent
Vitamin or mineral dietary supplements 0.5 Flavor enhancer
Flavoring agent
Values are expressed as the percentage of glycyrrhizin content. Data from World Health Organization. 12