Studi Penambahan Serai (Cymbopogon citratus) dan Temu Mangga (Curcuma mangga) terhadap Karakteristik Fisikokimia dan Organoleptik Minuman Sari Umbi Bit (Beta vulagris L.)
(Study of Addition Lemongrass (Cymbopogon citratus) and Turmeric Mango (Curcuma mango) on Physical-Chemistry and Organoleptic Characteristics of Beetroot Juice (Beta vulgaris L.))