In Vitro Safety and Efficacy Evaluation of a <i>Juniperus communis</i> Callus Culture Extract and <i>Matricaria recutita</i> Processing Waste Extract Combination as a Cosmetic Ingredient
Anna Ramata-Stunda | Martins Boroduskis | Laura Pastare | Marta Berga | Liene Kienkas | Liene Patetko | Gundars Skudrins | Dace Reihmane | Ilva Nakurte
For skin health promotion and cosmetic applications, combinations of plant cell extracts are extensively utilized. As most natural ingredient suppliers offer crude extracts from individual plants or specific isolated compounds, the potential interactions between them are assessed in the development phase of cosmetic products. The industry seeks extract combinations that have undergone optimization and scrutiny for their bioactivities. This study presents a combination of two sustainably produced botanical ingredients and outlines their chemical composition, in vitro safety, and bioactivity for skin health enhancement. The amalgamation comprises the extract of <i>Matricaria recutita</i> processing waste and the extract from <i>Juniperus communis</i> callus culture. Chemical analysis revealed distinct compounds within the extracts, and their combination led to a broader array of potentially synergistic compounds. In vitro assessments on skin cells demonstrated that the combination possesses robust antioxidant properties and the ability to stimulate keratinocyte proliferation, along with regulating collagen type I and matrix metalloproteinase 1 (MMP-1) production by dermal fibroblasts. The identified traits of this combination render it an appealing cosmetic component. To the best of our knowledge, this represents the first case when the extracts derived from medicinal plant processing waste and biotechnological plant cell cultivation processes have been combined and evaluated for their bioactivity.
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