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Antiseptic kaolin-silver complex for substituting the use of sulfites in winemaking (SILVERWINE)
Start date: Jun 1, 2015, End date: Oct 31, 2015 PROJECT  FINISHED 

We, the consortium integrating SILVERWINE, composed by ENOSAN and NASTRI-TEX, will put in the market a product consisting on a kaolin-silver complex (KAgC) contained in an infusion bag, that has antiseptic properties for substituting the use of sulfites in winemaking. The KAgC is composed of microparticles of kaolin (99% weight) and nanoparticles of metallic silver (1±0.1% weight). It is insoluble and it has a minimum reactivity with the food matrix, because the kind of silver used is Ag0, which has biocidal power and leaves no chemical or physical residue, as KAgC complex does not contain any potential allergenic protein fraction or any known allergen.We are two Spanish SMEs, with complementary roles in the supply chain of this product, as LABORATORIOS ENOSAN (5 people) –the leader- holds the vast know-how of elaborating and dosing the KAgC for a correct use in winemaking, and NASTRI-TEX (12 people), a company with vast experience with textile materials y, contributes with the infusion bags in which the SILVERWINE complex is disposed. ENOSAN has been recently established (2014) but its team is formed by technicians with a vast expertise up to 30 years in kaolin-silver complex applications in agri-food –specially winemaking- and pharma, and NASTRI-TEX counts with 35 years of expertise in industrial technological filters elaboration mainly oriented to the highly demanding needs of cosmetic industry.With SILVERWINE we will cover a global need of winemakers: the substitution of sulphites (SO2), a controversial compound that wine industry has been trying to replace for decades.
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