Pengaruh Penambahan Ekstrak Kunyit dan Jahe terhadap Karakteristik Biologis Perancah Hyaluronic Acid/Kolagen/Alginat untuk Aplikasi Rekayasa Jaringan Tulang Rawan = The Effect of Addition of Turmeric and Ginger Extracts on the Biological Characteristics of Hyaluronic Acid/Collagen/Alginate Scaffolds for Cartilage Tissue Engineering Applications