New Antioxidant Ingredients from Brewery By-Products for Cosmetic Formulations

The purpose of this work was to evaluate the total phenol content and antioxidant activity different types handcrafted beers (Ego, Alter, Fiat Lux, Triplo Malto, Ubi, Maior), as well starting materials (malts, hops, yeast), intermediate products, waste products (spent malts, in view their use innovative cosmetic formulations. Extractions from spent samples were taken water or 70° alcohol. (Folin Ciocalteau Essay) all brewing depended on specific product under investigation. highest values found hops (ranging approximately 93 155 mg GAE/g, according extraction solvent), ones malt yeast, lowest wort. final originates phenols that extracted ingredients, namely but non-negligible still observed products. method used for evaluation activity, trolox equivalent capacity (DPPH), ferric-ion reducing parameter (FRAP), radical cation scavenging power (ABTS) strongly influenced results. In general, results reflected trend content: are progressively enriched by originating possess activity. It is interesting note yeast frequently showed higher than those material; it can be inferred able absorb beer during brewing. By considering interest exploiting derived processing foods, biological Alter brewery has been evaluated a cell culture keratinocytes malt, hop, yeast). Preliminary vitro assays keratinocyte HaCaT cells carried out assess potential bioactivity extracts. Among extracts, hop extracts ability improve mitochondrial prevent oxidative stress cells, two features skin ageing. conclusion, study offers evidence an source preparation anti-aging cosmetics.