Sürdürülebilir Kalkınma Amaçları

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Yazarlar

• Yildirim, Numan(2)
• Adar, Elanur(1)
• Erguven, Gokhan Onder(1)
• Yildiz, Abdunnasir(1)

• MakaleAçık Erişim2017Scopus SJRQ2/r/munzur/3289
  The ability of Phanerochaete chrysosporium (ME446) on chemical oxygen demand remediation in submerged culture medium supplemented with malathion insecticide

  Erguven, Gokhan Onder; Yildirim, Numan; Adar, Elanur

  This present study aims to evaluating the efficiency of P. chrysosporium (P.c) to degrade the different concentrations of malathion (MLT) (50, 100 and 150 ppm) under agitated (130 rpm) submerged culture conditions via reduction of chemical oxygen demand (COD). We have previously screening the growth of fungus in sabouraud dextrose agar (SDA) medium for 6 days. We have also determined the laccase activity during degradation process for 15 days. According to our results the fungus has achieved 99.6, 98.8 and 98.7 % COD reduction at concentration of 50, 100 and 150 ppm respectively the end of the 15 days. The highest laccase activity (180 ± 5.69 U/L) was measured at concentration of 50 ppm the end of the 15 days and the lowest activity (36 ± 3.26) was determined at concentration of 150 ppm the end of the 15 days. The dried biomass of fungus was weighted at end of the 15 days and we have determined that malathion in culture medium reduced the biomass production compared the control group (SDB + P.c). Our results showed that, P. chrysosporium could be an effective bioremediation tool for treatment of malathion containing wastewater.

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  AtıfScopus11·WoS11·OpenAlex13

  İncele
• MakaleYalnız künye2010Scopus SJRQ3/r/munzur/4575
  Bioconversion Efficiencies of Lignocellulosic Soy Stalk by Pleurotus eryngii Strains

  Yildirim, Numan; Yildiz, Abdunnasir

  The bioconversion of soy stalk (SS) lignocellulose by three different starins of Pleurotus eryngii from various origins by solid state fermentation was studied during 40 days. The effect of rice bran ratio, 5% or 10% (w/w), on lignin degradation and laccase activity were measured througout the fermentations while, total crude protein and C/N ratio of the remaining substrate were determined at the end of the fermentations. The degradation of lignocellulose was found by the determination of acid soluble lignin (Klason lignin) content. All the strains degraded lignin with different extents. The amount of lignin degradation was decreased by the addition of the higher quantities of rice bran (SS+10% RB). The highest lignin degradation was obtained as 24.43% by P eryngii var. ferulae (E) and the highest protein level was found to be %13.32 by P eryngii (H). We determined that the laccase activity was generally decreased by the addition of the higher quantities of rice bran (10%). Maximum laccase activity (204.39 U/L) was obtained by P. eryngii (E) on SS + 5% RB at the end of the fermentation. This study showed that, after fungal treatment soy stalk can be used as a feed for ruminants with its higher feeding value.

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  AtıfWoS2·OpenAlex1

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