ABSTRACT THE USE OF POLAR EXTRACT OF ROSELLA (HIBISCUS SABDARIFFA) AS A NATURAL INDICATOR FOR BORAX DETECTION By ICA FEBRIANTI Boric and its compounds are substances or materials that are prohibited from being used as food additives. To detect borax contant in food products, a detection indicator is needed. Anthocyanins are flavonoid compunds that act as an antioxidant and responsible for t…