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Christ Kartika Rahayuningsih
Jurusan Teknologi Laboratorium Medis, Poltekkes Kemenkes Surabaya
Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Health Professions Medicine & Pharmacology Nursing Public Health Veterinary

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Journal : THE JOURNAL OF MUHAMMADIYAH MEDICAL LABORATORY TECHNOLOGIST

 1 
Potensi Metabolit Sekunder Isolat Aktinomycetes Sebagai Penghasil Senyawa Antibakteri Terhadap Methicillin Resistant Staphylococcus aureus (MRSA) Dari Tanah Mangrove Wonorejo Surabaya Anita Dwi Anggraini; Ayu Puspitasari; Christ Kartika Rahayuningsih
THE JOURNAL OF MUHAMMADIYAH MEDICAL LABORATORY TECHNOLOGIST Vol 4, No 2 (2021): The Journal of Muhammadiyah Medical Laboratory Technologist
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/jmlt.v4i2.7672

Abstract

Infectious diseases are estimated to be the cause of half of all deaths worldwide. About 50-75% of deaths in hospital are reported to be due to infection. This number continues to increase rapidly in line with the development of bacterial resistance to certain antibiotics. One of the causes of resistance due to antibiotic abuse. The number of resistance events that occur encourages new discoveries in order to overcome the problem of resistance. Actinomycetes are Gram-positive microscopic bacteria that are widespread in nature. These bacteria can live in various environmental conditions that contain lots of nutrients. Actinomycetes population increases in the presence of organic matter that undergoes decomposition. Acinomycetes have the ability to produce antimicrobial compounds. The need for antibiotic compounds and chemotherapy compounds that are effective with low toxicity to the host, and the resulting waste can be degraded by the environment, is a problem that needs serious attention. The existence of resistance to antibiotics causes the need to develop new types of antibiotics from natural ingredients and microorganisms that can control microbapatogens. Compounds obtained from natural materials, especially plants and microbes, provide promising results in the development of new antibiotic compounds, among the existing types of microorganisms, Actinomycetes are the most potential source of producing antibiotics. Apart from antibiotics, actinomycetes also produce bioactive compounds of high economic value in the health sector as antiviral and anti-cancer, while in agriculture as herbicides, insecticides, and anti-parasitic compounds. This causes the need to explore actinomycetes which have the potential to produce antibiotic compounds against bacteria. This study aims to determine the antibacterial activity of secondary metabolites of actinomycetes isolates against cuts infected with Staphylococcus aureus resistant methicillin (MRSA) in winstar rats (rattus norvegicus). This type of research is carried out in an experimental laboratory. The results showed that the potential for secondary metabolites of actinomysetes isolates against MRSA bacteria was classified as strong with an inhibitory index of 10.1.
Potensi Daun Kelor (Moringa oleifera) Terhadap Kadar Kadmium Dan Kreatinin Dalam Darah Sebagai Indikator Kerusakan Fungsi Ginjal Pada Tikus Putih Yang Terpapar Asap Rokok Christ Kartika Rahayuningsih; Riya Agustin; Tacik Idayanti
THE JOURNAL OF MUHAMMADIYAH MEDICAL LABORATORY TECHNOLOGIST Vol 5, No 2 (2022): The Journal Of Muhammadiyah Medical Laboratory Technologist
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/jmlt.v5i2.14261

Abstract

High exposure of cigarettes in Indonesia causes various disturbances in the body's metabolism, especially in the kidney, which is due to the cadmium metal content. Cadmium induces oxidative stress by the formation of free radicals and decrease natural antioxidant activity in the kidney organs (nephrotoxic). One way to overcome nephrotoxic by decreasing blood creatinine, we can utilize Moringa oleifera (MO) which is known as a "miracle plant" and have high contents of flavonoid groups, phenols, gallic acid, ascorbic acid and carotenoids as antioxidants and natural metal chelating agents. This research aimed to analyze the potential of Moringa leaves in decreasing cadmium and creatinine levels in the blood of white rats due to exposure of cigarette smoke (inhalation) at doses 200, 400 and 800 mg/kgwb. The type of research was an experimental study with quantitative analysis conducted in October 2021 – July 2022. The independent variable was the doses of Moringa leaves extract and the dependent variable were the blood cadmium and creatinine levels of white rats. The blood cadmium level was measured with AAS and the creatinine level was measured with Jaffe method without deproteination by photometry. The results of blood cadmium and creatinine levels in the treatment of MO extract at dose 200 mg/kgwb were 1.288875 μg/L and 0.85 mg/dL; MO extract at dose of 400 mg/kgwb were 0.811 μg/L and 0.775 mg/dL; MO extract at dose 800 mg /kgwb were 0.86275 μg/L and 0.7 mg/dL. Based on statistical analysis using Kruskal wallis, the results of the p value on cadmium levels in the blood were 0.004 < 0.05 and the p value on creatinine levels was 0.003 < 0.05, showed that there were significant differences in blood cadmium and creatinine levels in the treatment groups. Moringa leaf extract (Moringa oleifera) at a dose of 400 mg/kgwb had good potential in overcoming kidney damage in terms of creatinine levels due to cadmium exposure through cigarette smoke, which was equivalent to 44.3756 grams of fresh Moringa leaves that can be implemented for human as an additional antioxidant for overcoming free radicals.                                                       Keywords : Moringa oleifera, Cigarettes Smoke, Cadmium, Creatinine, Rattus norvegicus
Efektivitas Daun Kelor Terhadap Kadar Kadmium Dan LDL Kolesterol Dalam Darah Sebagai Indikator Penyempitan Pembuluh Darah (Aterosklerosis) Pada Tikus Putih Yang Terpapar Asap Rokok Christ Kartika Rahayuningsih; Riya Agustin
THE JOURNAL OF MUHAMMADIYAH MEDICAL LABORATORY TECHNOLOGIST Vol 6 No 2 (2023): The Journal Of Muhammadiyah Medical Laboratory Technologist
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/jmlt.v6i2.19837

Abstract

Tobacco consumption in Indonesia is a health epidemic that has direct or indirect toxicity due to exposure of cigarette smoke which contains harmful substances, especially cadmium metal. Cadmium’s exposure can increase the risk of coronary heart disease due to increased LDL cholesterol. One of the cadmium toxicity treatment by utilizing Moringa oleifera leaves as a natural antioxidant considering the flavonoids, saponins, ascorbic acid, carotenoids, phenolics, interquinones as cadmium chelating agents and β-sitosterol content. Therefore, it was necessary to determine the effectiveness of Moringa leaves extract in lowering blood cadmium and LDL cholesterol levels as indicators of atherosclerosis in white rats exposed to cigarettes smoke. The type of research was an experiment with quantitative analysis, conducted at the nutrition laboratory of the Faculty of Public Health Airlangga University and the clinical chemistry laboratory of Surabaya Health Polytechnic in March-July 2023. The independent variable was the doses of Moringa leaf extracts, while the dependent variables were blood cadmium and LDL cholesterol levels of white rats. The analysis of blood cadmium levels used an atomic absorption spectrophotometer and used precipitation methods by a photometer for LDL cholesterol levels. Based on statistical analysis using one way anova showed that blood cadmium levels had a significant value of < 0.05, followed by post hoc tests it was found that treatment group 2 had significant differences from normal groups. Moringa leaves extract dose of 1500 mg/kgbw has been effective in lowering cadmium and LDL cholesterol levels against the risk of atherosclerosis for 14 days. Keywords : Atomic Absorption Spectrophotometry, Cadmium, LDL Cholesterol, Moringa oleifera, photometer, Rattus norvegicus
Co-Authors ., Pestariati Anita Dwi Anggraini Aprilia Irmawati Aprilyadi, Nadi Ayu Puspitasari Devi Puspitasari Devi Puspitasari Endah Astuti, Sri Sulami Endarini, Lully Hanni Evy Diah Woelansari Handayati, Anik Iis Rofiatul Ana Indah Lestari Indah Lestari Indah Lestari Indira Ayuni Sri Pramasti Inggit Rianingtyas Juliana Christyaningsih Luh Putu Rahayu Candra Dewi Maruni Wiwin Diarti Rieke Dwi Ramadhany Riya Agustin Riya Agustin Tacik Idayanti Vernanda Arsya Nabilla Winarni Winarni