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All Journal Buletin Peternakan Bioma : Berkala Ilmiah Biologi Microbiology Indonesia BIOTROPIA - The Southeast Asian Journal of Tropical Biology AL KAUNIYAH Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati BERITA BIOLOGI JURNAL BIOLOGI INDONESIA ANNALES BOGORIENSES Biosaintifika: Journal of Biology & Biology Education AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Annales Bogorienses Berita Biologi
Atit Kanti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Veterinary Other

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A CONTROL OF OXYGEN SUPPLY IN BIOCONVERSION OF SUGARCANE TRASH INTO XYLITOL BY Meyerozyma guilliermondii InaCCY65 Thontowi, Ahmad; Kanti, Atit; Listiyowati, Sri; Meryandini, Anja
Berita Biologi Vol 23 No 3 (2024): Berita Biologi
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/berita_biologi.2024.7720

Abstract

Xylitol is a sugar alcohol used as a sugar substitute for several prevention of health cases such as dental diseases, diabetes, and other health problems. Bioconversion of xylose into xylitol needs an optimum oxygen supply for xylitol synthesis. This research aims to determine the effect of dissolved oxygen on hydrolysate fermentation from sugar cane leaf as a source of xylose to xylitol by Meyerozyma guilliermondii InaCCY65. Dissolved oxygen was varied in aeration and fermentation agitation using a 3L scale bioreactor. Analysis of cell growth for several kinetic parameters during fermentation, xylose reductase, and xylitol dehydrogenase activity. Bioconversion of sugarcane trash hydrolysate into xylitol by M. guilliermondii InaCCY65 is influenced by the oxygen transfer coefficient (kLa) and aeration conditions. The increase in kLa number showed increased cell growth, xylose consumption, xylitol production, and decreased InaCCY65 cells. The optimum conditions of kLa were obtained at 45/h with 39 g/L xylitol production under the aeration effect. Optimum aeration in the bioconversion of sugarcane trash (SCT) hydrolysate become xylitol by M. guilliermondii InaCCY65 is 1.0%; under these conditions, xylitol yield and xylitol productivity are 0.78 g/g and 1.20 g/Lh. The effect of oxygen in the bioconversion of xylose to xylitol also has an impact on xylose reductase (XR) and xylose dehydrogenase (XDH) activities of M. guiellermondii InaCCY65. The results showed that the dissolved oxygen concentration must be carefully controlled during xylitol bioconversion to obtain efficient xylitol.
LIPID ACCUMULATION BY Flavodon flavus ATH USING PALM OIL MILL EFFLUENT AS SUBSTRATE Sudiana, I Made; Kanti, Atit; Helbert, Helbert; Octaviana, Senlie; Suprapedi, Suprapedi
BIOTROPIA Vol. 21 No. 2 (2014): BIOTROPIA Vol. 21 No. 2 December 2014
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (415.989 KB) | DOI: 10.11598/btb.2014.21.2.388

Abstract

Large amount of palm mill effluent is generated annually. The waste would be potential for production of single cell oils (SCOs). The objective of study was to evaluate the lipid accumulation by fungi using palm mill effluent as substrate. To obtain most potential strains for lipid accumulation, seven filamentous fungi isolated from various biomes were evaluated for their ability to produce endoglucanase, and its lipid accumulation. Fungal hypae grown on palm oil mill effluent accumulated lipid of 34,3-87,5 of their dry cell mass. The profile of transesterified SCOs revealed a high content of saturated and monounsaturated fatty acids i.e., palmitic (C16:0), stearic (C18:0) and oleic (C18:1) acids similar to conventional vegetable oils used for biodiesel production. The strain was able to use organic substrates in POME implies that they are promising strain for biofuel feed stock as well as for meeting effluent quality for wastewater discharge.
Co-Authors Ahmad Thontowi Ahmad Thontowi ANDO KATSUHIKO ANDRIA AGUSTA Anja Meryandini Ariyanti Oetari Arwan Sugiharto Bambang Prasetya Chandra, Nicholas Dwi CHIHARU NAKASHIMA Elsera Br Tarigan, Elsera Br Endang Kusdiyantini Endang Sukara Euis HERMIATI Evana Faradila Ayu, Near Putri Guswenrivo, Ikhsan Habibi, Moh Hafid, Lukman Heddy Julistiono HEDDY JULISTIONO Helbert Helbert I Made Sudiana I Made Sudiana Idris Idris Ikhwani, Azra Zahrah Nadirah Kamal, Andi Saptaji Kartika Dyah Palupi latifah K Darusman Latifah K. Darusman LATUPAPUA, H.J.D. Latupapua, H.J.D. Lestari, Agis Dwi lina marlina, lina Lutfi Nia Kholida Maman Rahmansyah Mia Kusmiati Miftahul Ilmi, Miftahul Muhamad Ilyas Muhamad Ilyas, Muhamad Muhammad Ilyas Mujahidah, Shofia Mujahidah, Shofia N Nurhayati Nampiah Sukarno Napitupulu, Toga P. Napitupulu, Toga Pangihitan Napitupulu, Toga Pangihotan Pandanwangi, Aisyah Amelia Pratama, Aulia Brellian Purbani, Debora Christin Putri, Ade Lia RASTI SARASWATI Raunsai, Marlin Megalestin Rosida Rosida Senlie Octaviana Sri Listiyowati Sudiana, I. Made Sumerta, I Nyoman Sumerta, I Nyoman Sumerta, I Nyoman Sumerta, I Nyoman Suprapedi Suprapedi Urip PERWITASARI WELLYZAR SJAMSURIDZAL WIBOWO MANGUNWARDOYO Yantyati Widyastuti Yopi Yuliasri Jamal YULIASRI JAMAL