Fecha de publicación: 17/11/2022 Fuente: Wipo tomato A method for preparing white heirloom tomato-based composition for skin lightening via enhance glutathione production, the method including the steps of, sampling and decontaminating a tomato fruit sample via vigorous washing; freeze-drying and homogenising the tomato fruit sample to produce tomato fruit powder; preparing tomato fruit powder stock solution using the tomato fruit powder; and, dissolving and mixing the tomato fruit powder stock solution (100mg/ml) in distilled water.