Produksi dan Penetapan Kadar B-glukan dari Tiga Galur Saccharomyces cerevisiae dalam Media Mengandung Molase

  • Kusmiati Kusmiati Pusat Penelitian Bioteknologi-LIPI
  • Swasono R. Tamat Pusat Radioisotop dan Radiofarmaka BATAN
  • S. Nuswantara Pusat Penelitian Bioteknologi-LIPI
  • Nita Isnaini Universitas Pancasila

Abstract

Beta-glucan extracted from the cell membrane of Saccharomyces cerevisiae has been used as food and medical ingredients. Molase as a waste-product of the cane sugar industry, containing 4-9% of glucose and other nutrients, has been investigated to substitute glucose in the YPG fermentation media of Saccharomyces cerevisiae, and to improve the yield of B-glucan by three strains of Saccharomyces cerevisiae (RTA, RN4, and SC). Beta-glucan and protein concentration were determined by spectrophotometric method at a 490 nm and 750 nm respectively. The results showed that molase can be used as glucose-substitute in the YPG media for the production of B-glucan by three strains of Saccharomyces cerevisiae. The best yield for each strain was as follows: RTA strain in a media containing molase (8% v/v glucose equivalent) produced 61,79% w/w of B-glucan; RN4 strain in a media containing molase (1% v/v glucose equivalent) produced 98,42% w/w of B-glucan; SC strain in a media containing molase (2% v/v glucose equivalent) produced 56,48% w/w of B-glucan. One-way Anova followed by the Tukey-Bonferroni test indicated that molase can be used as substitute of glucose source in the YPG fermentation media, and significantly increased the B-glucan yield by all the three strains of Saccharomyces cerevisiae, as well as reducing the protein contents. The highest ß-glucan yield (98,42% w/w) was attained by the RN4 strain in a media containing molase (1% v/v glucose equivalent) with a protein impurity of only 10,53% w/w, while the RN4 and RTA strains produced a higher B-glucan yield than that of the SC strain.

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How to Cite
KUSMIATI, Kusmiati et al. Produksi dan Penetapan Kadar B-glukan dari Tiga Galur Saccharomyces cerevisiae dalam Media Mengandung Molase. JURNAL ILMU KEFARMASIAN INDONESIA, [S.l.], v. 5, n. 1, p. 7-16, apr. 2007. ISSN 2614-6495. Available at: <http://jifi.farmasi.univpancasila.ac.id/index.php/jifi/article/view/582>. Date accessed: 05 nov. 2024.
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