KARAKTERISTIK KIMIA EKSTRAK POLISAKARIDA LARUT AIR DARI UMBI GEMBILI (Dioscorea esculenta) YANG DITUNASKAN
ABSTRACT: Gembili contains
water-soluble polysaccharides (WSP) besides other components such as starch,
fiber, protein, and other carbohydrate. The suitable method should be developed
to separate WSP from other components such as protein that bound tightly. It is supposed that limited sprouting could
be separate WSP more easily, due to hydrolysis of some major components in
gembili tuber. The objective of this
research was to elucidate the effect of sprouting time on the characteristics
of gembili WSP. This research used Completely Randomized Design with 5 levels
(sprouting time of 6, 12, 18, 24, 30 days). The results showed that sprouting
time affected water, amylose, crude fiber, protein content, and yield extracted
WSP. The analysis of precipitate in
centrifugation to separate starch from filtrate in WSP extraction process,
showed that sprouting time affected total sugars, reducing sugars, amylose, and
crude fiber content of precipitates.
Keywords: gembili, sprouting
time, water soluble polysaccharides
Penulis: Harijono Harijono,
Wenny Bekti Sunarharum, Isna Suci Rakhmita
Kode Jurnal: jppertaniandd100026
