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Journal : JURNAL BIOLOGI INDONESIA

Potensi Hipertoleransi dan Serapan Logam Beberapa Jenis Tumbuhan pada Limbah Pengolahan Emas Hidayati, Nuril; Saefudin, Saefudin
JURNAL BIOLOGI INDONESIA Vol 3, No 9 (2005): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (937.254 KB) | DOI: 10.14203/jbi.v3i9.3278

Abstract

ABSTRACTPotency of Hypertolerance and Metal Absorption of Some Plant Species Under GoldMine Waste. Degraded mined land is characterized by extreme of alkalinity or acidity, highconcentration of soluble salt and high concentration of heavy metals. Contamination of minedsoil and water affects not only on agriculture system but also on food chains andepidemiological problems. As soil metal can not be biodegraded, remediation of soil heavymetal risk has been a difficult and expensive goal. Remediation of hazardous soil is requiredto reverse the risk to humans and the environment. Recently there are several differentstrategies available for the clean up and restoration of contaminat6d soils i.e conventionalwhich is mainly engineering-base and phytoremediation which is a biological-base method.Phytoremediation is defined as: clean up of pollutants mainly mediated by photosyntheticplants.. In this research four species of plants i.e Mimosa pigra, Crotalaria juncea, Crotalariasp. and lpomoea sp. were studied their potencies as hypertolerant plants on the waste of PTANEKA TAMBANG and public mines of Pongkor and Cigaru. The results showed that theplants were able to grow and showing high tolerance to the contaminated media. The mosttolerant species was lpomoea followed by Crotalaria and Mimosa. The results raised someprospectsfor phytoremediation technology for rehabilitating contaminated mined lands.Keywords: Phytoremediation, hypertolerance
Potensi Sifat Antioksidan pada 10 Jenis Ekstrak dari Famili Rubiaceae Marusin, Sofnie; Saefudin, Saefudin; Chairul, Chairul
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (117.929 KB) | DOI: 10.14203/jbi.v9i1.150

Abstract

Famili Rubiaceae telah lama dikenal sebagai sumber tanaman obat Indonesia. Beberapa spesies seperti Coffea arabica,Morinda citrifolia, Chinchona succirubra telah digunakan sebagai obat rakyat sejak jaman dulu. Penelitian ini bertujuanuntuk mengetahui nilai peroksida dan aktivitas antioksidan pada 10 jenis ekstrak famili Rubiaceae yang lain.Nilai peroksida (POV) diukur menggunakan metode iodometri dan hasil pengukuran menunjukkan POV yang berbedanyata kulit kayu Anthocephalus macrophyllus (69,48), kulit kayu Wendlandia glabrata (67,86), kulit kayu Guettardaspeciosa (73,17) dan daun Paederia foetida (89,14). Aktivitas antioksidan diuji menggunakan metode tiosianat(FTC) pada empat jenis ekstrak yang berpotensi, yaitu kulit kayu A. macrophyllus, kulit kayu W. glabrata, kulit kayuG. speciosa dan daun P. foetida. Nilai absorbansi (A) dari masing-masing jenis adalah 0,294; 0,293; 0,365; dan 0,375,dibandingkan dengan kontrol negatif (0,919) dan kontrol positif (0,31).Kata kunci: Rubiaceae, sifat antioksidan, POV, metode tiosianat (FTC)
POTENSI HIPERTOLERANSI DAN SERAPAN LOGAM BEBERAPA JENIS TUMBUHAN PADA LIMBAH PENGOLAHAN EMAS Saefudin, Saefudin; Hidayati, Nuril
JURNAL BIOLOGI INDONESIA Vol 3, No 9 (2005): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v3i9.3278

Abstract

ABSTRACTPotency of Hypertolerance and Metal Absorption of Some Plant Species Under GoldMine Waste. Degraded mined land is characterized by extreme of alkalinity or acidity, highconcentration of soluble salt and high concentration of heavy metals. Contamination of minedsoil and water affects not only on agriculture system but also on food chains andepidemiological problems. As soil metal can not be biodegraded, remediation of soil heavymetal risk has been a difficult and expensive goal. Remediation of hazardous soil is requiredto reverse the risk to humans and the environment. Recently there are several differentstrategies available for the clean up and restoration of contaminat6d soils i.e conventionalwhich is mainly engineering-base and phytoremediation which is a biological-base method.Phytoremediation is defined as: clean up of pollutants mainly mediated by photosyntheticplants.. In this research four species of plants i.e Mimosa pigra, Crotalaria juncea, Crotalariasp. and lpomoea sp. were studied their potencies as hypertolerant plants on the waste of PTANEKA TAMBANG and public mines of Pongkor and Cigaru. The results showed that theplants were able to grow and showing high tolerance to the contaminated media. The mosttolerant species was lpomoea followed by Crotalaria and Mimosa. The results raised someprospectsfor phytoremediation technology for rehabilitating contaminated mined lands.Keywords: Phytoremediation, hypertolerance
POTENSI SIFAT ANTIOKSIDAN PADA 10 JENIS EKSTRAK DARI FAMILI RUBIACEAE Marusin, Sofnie; Saefudin, Saefudin; Chairul, Chairul
JURNAL BIOLOGI INDONESIA Vol 9, No 1 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i1.150

Abstract

Famili Rubiaceae telah lama dikenal sebagai sumber tanaman obat Indonesia. Beberapa spesies seperti Coffea arabica,Morinda citrifolia, Chinchona succirubra telah digunakan sebagai obat rakyat sejak jaman dulu. Penelitian ini bertujuanuntuk mengetahui nilai peroksida dan aktivitas antioksidan pada 10 jenis ekstrak famili Rubiaceae yang lain.Nilai peroksida (POV) diukur menggunakan metode iodometri dan hasil pengukuran menunjukkan POV yang berbedanyata kulit kayu Anthocephalus macrophyllus (69,48), kulit kayu Wendlandia glabrata (67,86), kulit kayu Guettardaspeciosa (73,17) dan daun Paederia foetida (89,14). Aktivitas antioksidan diuji menggunakan metode tiosianat(FTC) pada empat jenis ekstrak yang berpotensi, yaitu kulit kayu A. macrophyllus, kulit kayu W. glabrata, kulit kayuG. speciosa dan daun P. foetida. Nilai absorbansi (A) dari masing-masing jenis adalah 0,294; 0,293; 0,365; dan 0,375,dibandingkan dengan kontrol negatif (0,919) dan kontrol positif (0,31).Kata kunci: Rubiaceae, sifat antioksidan, POV, metode tiosianat (FTC)