ANALISA PENGARUH SOLVENT TERHADAP KESTABILAN PIGMEN ANTOSIANIN PADA KULIT BUAH NAGA PUTIH MENGGUNAKAN SPEKTROFOTOMETER SPECTONIC GENESYS 20 VISIBLE (Analysis Solvent Effect On Stability Pigments Anthocyanin Of Skin White Dragon Fruit Using Spectrophotometer Spectonic Genesys 20 Visible) - SUNDARI, NINGRUM ARIA (2015)