The Miracle Anti-Aging Apple – Uttwiler Spätlauber, a rare, endangered apple tree species planted in Switzerland. It has excellent ability to remain fresh without shrinking for months, attributed to high acid and tannin concentrations which give longevity to the apple cells PhytoCellTecTM is a modern cell culture technology in which a small quantity of the plant cells, obtained from tissue of wounded tree (callus), is reverted back to stem state and allowed to multiply.