PEMANFAATAN XYLITOL DARI LIMBAH TONGKOL JAGUNG MENGGUNAKAN CANDIDA TROPICALIS

Mahyati Mahyati

Abstract


The xylan content of corn cobs reaches 12.4 - 12.9% which can be converted to xylitol [1]. Xylitol products
significantly reduced the population of Streptococcus mutans in saliva compared with fluoride [2]. The objective of this
study was to convert xylan from corncob waste into xylitol as an additive in wuluh belimbing jelly. Xylan corn cob is
fermented using Candida tropicalis. Furthermore xylitol from corncob tested the effectivity of antibacterial
Streptococcus mutans grown in oral cavity that can damage enamel on tooth. The xylitol extraction method of corncob
using aqueous sulfuric acid is 0.25; 0.5; 0.75 and 1.0%. The extraction time was then varied from 15, 30, 45, 60, 75 and
90 min. The results showed xylitol compound from corn tuna waste was highest at 0.25% sulfuric acid concentration
with 30 minutes hydrolysis time of 249.7 ppm and the lowest at acid concentration 0.75% and hydrolysis time of 90
minutes ie 5.6 ppm . The results showed xylitol compounds from corncob waste that all xylitol concentrations showed a
negative sign.

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