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All Journal MARINA CHIMICA ACTA Pelita Perkebunan
Alfian Noor
Radiation Chemistry Laboratory, Department of Chemistry, Hasanuddin University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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THE POTENTIAL OF Clathria reinwardtii as BIOACCUMULATOR OF HEAVY METAL Cu Lydia Melawaty; Alfian Noor; Tjodi Harlim; Nicole de Voogd
Marina Chimica Acta Vol. 15 No. 2 (2014): Metals in Marine Samples and Age Determination using Liquid Scintillation Coun
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (715.686 KB) | DOI: 10.20956/mca.v15i2.1179

Abstract

Heavy metal Cu is an essential metal required by living organisms but a pollutant in water environment when existed in a level above the treshold level. The capability of sponge Clathria reinwardtii in accumulating heavy metals was analyzed according to modified Müller et al. (1998) method, and the sediment was analyzed according to Loring and Rantala in Rochyatun et al., (2006). Cu concentrations were measured by ICP-OES. The results indicate that Clathria reinwardtii was capable of accumulating the highest Cu level compared to other sponges. The highest Cu level analyzed in Clathria reinwardtii was 161.3 mg/kg.
THE POTENTIAL OF Clathria reinwardtii as BIOACCUMULATOR OF HEAVY METAL Cu Lydia Melawaty; Alfian Noor; Tjodi Harlim; Nicole de Voogd
Marina Chimica Acta Vol. 15 No. 2 (2014): Metals in Marine Samples and Age Determination using Liquid Scintillation Coun
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (715.686 KB) | DOI: 10.20956/mca.v15i2.1180

Abstract

Heavy metal Cu is an essential metal required by living organisms but a pollutant in water environment when existed in a level above the treshold level. The capability of sponge Clathria reinwardtii in accumulating heavy metals was analyzed according to modified Müller et al. (1998) method, and the sediment was analyzed according to Loring and Rantala in Rochyatun et al., (2006). Cu concentrations were measured by ICP-OES. The results indicate that Clathria reinwardtii was capable of accumulating the highest Cu level compared to other sponges. The highest Cu level analyzed in Clathria reinwardtii was 161.3 mg/kg.
Protein and Mineral Contents of Cocoa Beans Fermentation from Luwu Timur Regency, South Sulawesi Asma Assa; Alfian Noor; Misnawi Misnawi; Muh. Natsir Djide; Muliadi Muliadi
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 33 No 3 (2017)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v33i3.294

Abstract

Cocoa beans are raw materials of cocoa processed food products rich in protein and minerals. Availability of sufficient quantities greatly determines the nutritional quality of the food. One of the post-harvest processes affecting the protein and minerals contents in cocoa beans is fermentation. The purpose of this study was to determine the protein, macro, and micronutrients contents in fermented cocoa beans of PBC 123, BR 25, and MCC 02 clones with fermentation time variations for 24, 48, 72, 96, and 120 hours. Methods of analysis used Kjeldahl and Atomic Absorption Spectrophotometer. The results showed that clones, fermentation time, and their interaction affect protein, macro and micronutrients content in cocoa beans. The interaction between BR 25 clone and 48-hour fermentation time showed the highest protein content (13.34%). The highest macronutrients content were found in PBC 123 clone with 72-hour fermentation time for Ca, in MCC 02 clone with 24-hour fermentation time for Mg, in BR 25 clone with 72-hour fermentation time for Na, and in BR 25 clone with 24-hour fermentation time for K. The highest micronutrients contents were found in PBC 123 clone  with 96-hour fermentation time for Fe, in MCC 02 clone with 120-hour fermentationtime for Mn, and in BR 25 clone with 96-hour fermentation time for Zn. Variations  of protein,  macronutrients and micronutrients contents in cocoa beans were affected  by clone variety and fermentation time treatment.
Co-Authors Asma Assa Lydia Melawaty Misnawi Misnawi Muh. Natsir Djide Muliadi Muliadi Nicole de Voogd Tjodi Harlim