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ANALISIS KANDUNGAN MERKURI (Hg) PADA IKAN NILA (Oreochromis niloticus L.) BUDIDAYA KERAMBA DI SEKITAR WADUK RIAM KANAN KECAMATAN ARANIO Aditya Rahman; Kresna Dinta Masmitra; Anni Nurliani
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 11, No 2 (2016)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/biodidaktika.v11i2.1709

Abstract

ABSTRACTThis study aims to determine the content of heavy metals mercury contained in the fish Tilapia (Oreochromis niloticus L.) aquaculture cages around the Riam Kanan reservoir and compare it with quality standards based on the Decree of the Head of BPOM No. HK.00.06.1.52.4011 about the maximum limit of metal contamination in food, especially in fish. This study was conducted from September to December 2011. Sampling was conducted at three stations covering the village of Tiwingan Baru, Tiwingan Lama dan Aranio in the Aranio district. Sampling was done by purposive sampling method or sampling intentionally with certain considerations that are considered important. Mercury analysis performed using Atomic Absorption Spectrophotometer (AAS) instrument. Result showed that the average content of mercury in sediment samples at the first station of 0,0262 mg/kg; the second station of 0,1489 mg/kg and not detected at the third station, the content is still below the set threshold. The content of mercury in water samples of Riam Kanan reservoir at all stations are still below the threshold of water quality standards according to Government Regulation No. 82 of 2001. Result on the mercury content of Tilapia fish meat samples at all stations are still below the standards threshold based on the Decree of the Head of BPOM about the maximum limit of metal contamination in food, especially in fish.
PERKEMBANGAN SEL SPERMATOGENIK MENCIT (Mus musculus L.) SETELAH PEMBERIAN EKSTRAK KULIT KAYU DURIAN (Durio zibethinus Murr.) Anni Nurliani; Rusmiati; Heri Budi Santoso
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 11 No 1 (2005): December 2005
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/464

Abstract

It has been conducted a study of identify population of spermatogenic cells of mice after induction Durian (Durio zibethinus Murr.) bark extract. This research used completely randomized design with five treatments i.e. control without treatment; control with aquadest; 5% durian bark extract; 10%; and 20% with five repetitions for each treatment. Extract was given per oral in volume dose of 0,5 ml/ 25–30 g/BW per day during 36 days. The result of this study showed that durian bark extracts caused significantly decrease of population of spermatogenic cells in concentrate 5%, 10%, and 20%.