A bioscaffold and method of manufacture is described. The bioscaffold comprised greater than 80% type I collagen fibers or bundles having a knitted structure providing tensile load strength. The method of manufacture comprises the steps of: (a) isolating collagen fibers or bundles； (b) incubating said fibers or bundles in a mixture of NaOH, alcohol, acetone, HC； and ascorbic acid； and (c) mechanical manipulation of said fibers or bundles to produce a knitted structure.
