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Titri Siratantri
Fakultas Perikanan dan Ilmu Kelautan, Universitas Brawijaya-Malang dan Jurusan Teknologi Pangan Universitas Pelita Harapan. Jl. MH. Thamrin Boulevard no. 1 Lippo Karawaci, Tangerang. Telp. 021-546901, Fax. 021-546910.
Agriculture, Biological Sciences & Forestry

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Invitro Antidiabetic Activities of Agar, Agarosa, and Agaropectin from Gracilaria gigas Seaweed H. Hardoko; Agnes Febriani; Titri Siratantri
Jurnal Pengolahan Hasil Perikanan Indonesia Vol 18 No 2 (2015): Jurnal Pengolahan Hasil Perikanan Indonesia
Publisher : Department of Aquatic Product Technology IPB University in collaboration with Masyarakat Pengolahan Hasil Perikanan Indonesia (MPHPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (535.58 KB) | DOI: 10.17844/jphpi.v18i2.10608

Abstract

Some types of seaweed are reported to have antidiabet activity in vivo or in vitro,but the activity antidiabet fractions of polysaccharides from seaweed has not been widelyreported. Gracilaria gigas is one type of red seaweed that can produce agar and it has twofactions, namely agarose and agaropectin. The aim of this study was to obtain an agarextract, agarose fraction, agaropektin fraction of Gracilaria gigas and to determine theα-glucosidase inhibitory activity of extracts and the fractions. Extraction of agar that usedan ethanol solution, and to fractionate agarose and agaropektin used dimetilsulfoxidesolution. The results showed that the fraction of the agarose having lower sulfate content(0.28%) compared with agar (5.91%) and agaropektin (6.07%). Types of samples (agar,agarose, and agaropektin) and sample doses significantly in inhibiting α-glucosidaseenzyme activity. Agarose fraction has IC50 value against α-glucosidase lowest (96.86 ± 4.61ppm), followed by the extract agar (116.63 ± 5.61 ppm), then the fraction agaropektin(158.34 ± 1.77 ppm).Keywords: α-glucosidase, extract, fraction, Gracilaria gigas, IC50
Co-Authors Agnes Febriani Hardoko Hardoko