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Vol. 30 No. 9 (2018): Vol 30 Issue 9

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Protease Producers Predominate Cultivable Hydrolytic Bacteria Isolated from Liquid Biomedical Waste

https://doi.org/10.14233/ajchem.2018.21400
Stalis Norma Ethica
Faculty of Nursing and Health Sciences, Universitas Muhammadiyah Semarang, Semarang, Indonesia
Sakti Imam Muchlissin
Faculty of Fisheries and Marine Sciences, Universitas Diponegoro, Semarang, Indonesia
Ragil Saptaningtyas
Faculty of Nursing and Health Sciences, Universitas Muhammadiyah Semarang, Semarang, Indonesia
Agus Sabdono
Faculty of Fisheries and Marine Sciences, Universitas Diponegoro, Semarang, Indonesia

Corresponding Author(s) : Stalis Norma Ethica

norma@unimus.ac.id

Asian Journal of Chemistry, Vol. 30 No. 9 (2018): Vol 30 Issue 9

Abstract

Hydrolytic bacteria are known for their crucial role in the bioconversion of organic matters mainly present in biomedical waste, making them advantageous in bioremediation. Analysis of abundance and colony diversity of culturable bacteria producing hydrolytic enzymes isolated from liquid biomedical waste of two different classes of hospitals in Semarang city, Central Java was carried out. Bacterial cultivation on nutrient agar slants resulted in total 26 viable colonies from inlet samples of Rumah Sakit Umum Roemani Muhammadiyah (R1) and Rumah Sakit Umum Daerah KRMT Wongsonegoro (R2) hospitals. Both hospitals represented two different classes of hospitals in Semarang (C and B, where B class is higher grade). Screening for production of four main hydrolytic enzymes (protease, lipase, amylase and cellulose) on all cultivable colonies obtained in this study. The results showed that all of them were capable of producing more than one type of hydrolytic enzymes. The composition was as follows: Protease producers (26 colonies), amylase producers (14 colonies), cellulose producers (13 colonies) and lipase producers (10 colonies).This study demonstrated that primary inlet of hospitals is a rich source of hydrolytic bacteria, where extracellular protease producers were found to be the main population of this group. In Semarang case, the inlet of lower class of hospital appeared to be more potential source of these hydrolytic bacteria than that of higher class one.

Keywords

Protease producers Clinical waste Cultivable hydrolytic bacteria Colony viability Semarang hospital
Ethica, S. N., Muchlissin, S. I., Saptaningtyas, R., & Sabdono, A. (2018). Protease Producers Predominate Cultivable Hydrolytic Bacteria Isolated from Liquid Biomedical Waste. Asian Journal of Chemistry, 30(9), 2035–2038. https://doi.org/10.14233/ajchem.2018.21400
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