Fecha de publicación: 27/10/2022 Fuente: WIPO "royal jelly" Disclosed is a method for converting 10-hydroxy-2-decenoic acid to 10-hydroxydecanoic acid, the method including: reacting Lactobacillus bacteria having an ability to convert 10-hydroxy-2-decenoic acid to 10-hydroxydecanoic acid with 10-hydroxy-2-decenoic acid.