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All Journal International Journal of Public Health Science (IJPHS) JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan Jurnal Penelitian Kesehatan Suara Forikes Health Notions JURNAL PENGABDIAN KEPADA MASYARAKAT GEMA KESEHATAN LINGKUNGAN Global Health Science (GHS) Gema Lingkungan Kesehatan

Darjati Darjati

Poltekkes Kemenkes Surabaya

Author-ID : 1656486

Agriculture, Biological Sciences & Forestry Dentistry Environmental Science Health Professions Immunology & microbiology Law, Crime, Criminology & Criminal Justice Library & Information Science Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Mussel Shell Powder as Bio-adsorbent of Heavy Metals in Water Darjati Darjati; Marlik Marlik
Health Notions Vol 2, No 1 (2018): January
Publisher : Humanistic Network for Science and Technology (HNST)

Mussel shell contains chitin and chitosan that can be used as bio-absorbent to reduce heavy metal level in contaminated water. The purpose of this study was to measure the Pb heavy metal level in well water in Keputih residential-formerly a dumping ground-before and after the application of mussel shell powder of 0, 1, 2, and 3 gram by stirring it for 10 and 30 minutes at 60 rpm. The research type was experimental, used One Group PrePost Test Design method. The object was well water which contaminated by leachate at Keputih residential ex dumping ground, Sukolilo Surabaya. The observation showed that the well water in the residential contain heavy metals of 1.049 mg/l. After being given 1, 2 and 3 gram shell powder, it decreases to 58%, 87% and 97%. Based on the statistical test, significant result was obtained at the addition of mussel shell powder of 1 and 3 grams, while addition of 2 grams was not. The conclusion is mussel shell powder can reduce the heavy Pb metal level in the well water in the Sukolilo residential and is advisable that the next researchers continue to check phisical condition of the well water. Keywords: Bio-adsorbent, Heavy metals, Water, Mussel shell powder

The Mussel Shell Powder as Natural Preservation for Swordfish by Using Smearing Method Demes Nurmayanti; Darjati Darjati; Marlik Marlik
Health Notions Vol 2, No 2 (2018): February
Publisher : Humanistic Network for Science and Technology (HNST)

Processing fish in order to be more lasting and be able to be still consumed by the people was needed good preservation. Fish could be lasting if the bacterial decomposition in the fish could be prevented. All this time, the people only used the waste of mussel shells for animal feed. Moreover, the mussel shells were not only used as animal feed, but also as additional material for concrete compound and natural preservation. Therefore, this research aimed at analyzing the use of mussel shells as natural preservation for swordfish. This research was experimental research with static group comparison design that aimed at knowing the use of mussel shell powder as natural preservation for swordfish. Organoleptic test conducted to the fresh fish, which included eyes, gill, mucus, meat, and smell. Time interaction and the concentration of mussel shell powder which was smeared on the swordfish gave significant influenced toward the number of total germ rate with determination coefficient (R2) was 99.8%. Besides, there was a difference of preservation of swordfish among 3:1 was the fish could be preserved until in 24 hours and the fish was able to be consumed and still in fresh condition with organoleptic value in average of 7.00, meanwhile, the fishes which were in the comparison between 1:1 and 2:1 were in rather spoiled condition. Furthermore, there was no significant difference of germ rate in swordfish after being smeared by mussel shell powder among 1:1, 2:1, and 3:1 in 12 hours, 24 hours,and 30 hours, in which the germ rate qualified the qualification. However, there was a significant difference when it was in 36 hours but the germ rate still did not qualify the qualification. Keywords: Swordfish, Mussel shell, Germ rate

Co-Authors A.T. Diana Nerawati Ambarwati Ambarwati Ari Dian Octavia Demes Nurmayanti Dinda Yully Lestari Fitria Shella Widyayuningsih Hadi Suryono Hermiyanti, Pratiwi Iva Rustanti Eri Wardojo Jesica Gabriella Tapiory Marlik Muhammad Syahrul Rizal Narwati Narwati Pradevi Milafitri Farista Ananto Rachmaniyah Rahmadani, Triana Rizka Firdayanti Rokhmalia, Fitri Rusmiati Sahra Faradillah Sari, Ernita Sri Poerwati1, Ari Probandari2, Joko Sutrisno3, Ari Handono Ramelan4 Thohari, Imam Umi Rahayu Waella Septamari Budi Winarko, Winarko Yudied Agung Mirasa

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