Estaan can be described as the Food preservative of the future. It is definitely the biggest breakthrough in the food preservative history. The plant formulation is based on a sequential multiphase separation technique, followed by purification steps.
Of course the active components and nutrients stay intact. The components are mixed together in specific percentages. The natural ingredients come from 10 different plants spread over 3 different continents. Of course all is natural with no chemical components.
The preservative has been extensively scientifically tested by various independent laboratories and universities. The result is a highly effective 100% biological preservative. At the same time, the natural character and organoleptic characteristics of the wine remain intact.