High-performance sustainable ingredients derived from grape stems for the global wine and cosmetic industries.
EcoStemTech is a university spin-off dedicated to the circular economy. We transform grape stems — a byproduct of the wine industry — into premium ingredients through patented green technology.
Our mission is to provide the industry with natural, effective, and sustainable alternatives that reduce environmental impact while enhancing product quality.
We solve the waste problem by upcycling 2 million tonnes of EU winery residues into value.
Our patented toasting and extraction methods are the result of years of academic research.
Our products are designed to meet the highest standards of the wine aging industry.
Certified bioactive compounds for clean beauty and high-performance cosmetics.
| Product | Toasted Grape Stems |
| Applications | Fermentation & Aging |
| Benefits | Reduces oak barrel dependency |
| Sustainability | 60% lower carbon footprint vs oak |
| Certification | Patent EP 3 835 401 A1 |
| Product | Bioactive Stem Extracts |
| Applications | Serums, Creams, Haircare |
| Key Assets | Standardised Resveratrol & Tannins |
| Process | Patented Green Extraction |
| Benefit | High-performance bioactive profile |
Reducing waste while increasing value across the entire supply chain.
We help wineries achieve their sustainability goals by repurposing 100% of their stem residues.
Every ingredient is tested and validated for purity and efficacy through UTAD's laboratories.
We provide technical consulting to integrate our solutions into your current production line.
We are currently engaging with strategic partners and investors who share our vision for a circular, sustainable future. Request our private investor deck and case studies.
Request Investor DeckWhether you are a winemaker looking for sustainable aging solutions, a cosmetic brand seeking bioactive ingredients, or a strategic investor, we'd love to hear from you.
Headquarters: UTAD Campus, Vila Real, Portugal
Email: info@ecostemtech.com