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All Journal Jurnal Pengolahan Hasil Perikanan Indonesia Jurnal Penelitian Saintek ILMU KELAUTAN: Indonesian Journal of Marine Sciences Bioma : Berkala Ilmiah Biologi BERKALA FISIKA JURNAL ANATOMI FISIOLOGI SAINS DAN MATEMATIKA Jurnal Natur Indonesia Jurnal Akademika Biologi Prosiding KPSDA Jurnal Bioteknologi & Biosains Indonesia (JBBI) Indonesian Food and Nutrition Progress Biosaintifika: Journal of Biology & Biology Education Berkala Bioteknologi Jurnal Biologi Tropika NICHE Journal of Tropical Biology Buletin Anatomi dan Fisiologi (Bulletin of Anatomy and Physiology) Media Farmasi Indonesia Jurnal Energi Baru dan Terbarukan AGRIC Open Access DRIVERset
Endang Kusdiyantini
Departemen Biologi Fakultas Sains Dan Matematika, Universitas Diponegoro, Semarang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences

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Journal : SAINS DAN MATEMATIKA

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The Antioxidant Growth and Potency of Yeast Rhodosporidium paludigenum DUCC Y-007 on Different Mediums Kusdiyantini, Endang; Budiharjo, Anto
JURNAL SAINS DAN MATEMATIKA Volume 22 Issue 4 Year 2014
Publisher : JURNAL SAINS DAN MATEMATIKA

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Abstract

The antioxidant growth and potency of yeast Rhodosporidium paludigenum DUCC Y-007 have been studied on two treatment mediums. The yeast could grow on two treatment mediums and the dry weight results obtained during the incubation period of 120 hours were 7.17 g/L and 7.33 g/L. The concentration of reducing sugars in stabilized medium were 3.14 g/L and 3.30 g/L at 72-120 hours incubation time respectively. There were differences in pH changes during incubation time which at YPG medium, it tended to increase whereas at semi synthetic medium, the pH tended to decline. Total carotenoid on YPG medium was 50.13 µg/g cell and on the semi-synthetic medium was 197.50 µg/g cell. Antioxidant activity measured by DPPH reagent showed the results at YPG medium was 50% and at semi-synthetic medium was 61%.
The Growth of Botryococcus braunii Microalgae as a Lipid Producer in a Mixed Medium of Coconut Water and Seawater Saputro, Bintoro Rudi; Kusdiyantini, Endang; Kusumaningrum, Hermin Pancasakti
JURNAL SAINS DAN MATEMATIKA Volume 23 Issue 4 Year 2015
Publisher : JURNAL SAINS DAN MATEMATIKA

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Abstract

Energy needs in fuel sector tend to increase for supporting human life. Green microalgae (Chlorophyceae) can be used as an alternative solutions for bioenergy. Botryococcus braunii is lipid producer microalgae which can be processed further into biodiesel. Microalgae growth medium such as Walne can be substituted with coconut water that reducing economical cost. This research aims to determine the growth of B. braunii using coconut water and its effect on lipid production. The experiment conducted into five treatments of coconut water consist of P0 (0%), P1 (10%), P2 (7.5%), P3 (5%), and P4 (2.5%) for five days incubation and three repetitive step. Microalgae growth was calculated according to cell count using hemocytometer. The results showed that 2.5% coconut water substitution exhibited the best growth rate and lipid production, i.e. the amount of 547 cells / ml and produced lipid level according to these treatment increased 179% comparing with control.
Co-Authors Adde Lolita Putri Adhitya Naufal Pribadhi Afrazak Johansyah Agni Rizqy Berliyanti Agung Suprihadi Ahmad Thontowi Anggraini, Ika Anggraini, Ika Anggrayeni, Yesti Tri Anto Budiharjo Arina Lunggani Arina Tri Lunggani Arina Tri Lunggani Arina Tri Lunggani Atit Kanti Basundari, Sinta Anas Bintoro Rudi Saputro, Bintoro Rudi Budi Raharjo Daniel Pasaribu Devia Kusmawati Arfina Dian Arif Rachman E Hugeng Wandono Elawati, Nunung Eni Elawati, Nunung Eni Enny Yusuf Wachidah Yuniwarti Erma Prihastanti Euis HERMIATI Evi F Simanjuntak Faradila Ayu, Near Putri Galih Pertiwi Akbar Ginting, R Cinta Badia H Hadiyanto Hadi Endrawati Hermin P Kusumaningrum Hermin P. Kusumaningrum Hermin Pancasakti Kusumaningrum Hilmi Fadhli Ihdina Isfara Suteja Ika Anggraini Ika Anggraini Anggraini Indah Sulistyarini Joedoro Sudarsono Khabib Khasan Alfaridhi, Khabib Khasan Kurniawati, Laily Laily Kurniawati Larasati, Ella Dewani Ledy Ginting Maria Sarah Fadillah MG Isworo Rukmi Moi, Maria Yasinta Muhammad Amal Nurhakim, Muhammad Amal Muhammad Nur Muhammad Nur Muhammad Z ainuri Muhammad Zainuri Munifatul Izzati N Nurhayati Naufal, Adhitya Nia Fadlilatul Laily Novi Alvita Pratama Nugrahaini, Dian Laila Nunung Eni Elawati Nurhayati Nurhayati Nurhayati Nurhayati Nurhayati Nurhayati Prayitno, S Feta Avila Prianto, A. Heru Puteri Aryani Rejeki Siti Ferniah Rida Yuliana, Rida Saniha Adini, Saniha Sarjana Parman Soni Nugraha Sri Pujianto, Sri Sri Pujiyanto Suprihadi Suprihadi TATI NURHAYATI Tri Winarni Agustini Triwibowo Yuwono Tyas Rini Saraswati Udi Tarwotjo, Udi Wijanarka Wijanarka Wijanarka, W