Open AccessEvaluation of biodegradable activity of film from chicken feather keratin
Author(s) -
Mohd Salleh Noor Hasyierah,
Woo Jin Lim,
R Noor Munirah,
Mohamed Alina Rahayu,
Z Zafifah,
Kassim Khairul Farihan
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/765/1/012008
Subject(s) - keratin , feather , glycerol , biodegradation , fourier transform infrared spectroscopy , materials science , ultimate tensile strength , environmental pollution , biofilm , chemistry , chemical engineering , composite material , organic chemistry , biology , bacteria , environmental science , paleontology , ecology , environmental protection , genetics , engineering
The disposal of plastic caused serious environmental pollution to both land and sea. Chicken feather wastes also contributed to pollution problem and its value has not been fully utilized. This study aimed to produce biodegradable film by utilizing keratin extracted from chicken feathers. Initially, the keratin was extracted from chicken feather prior to the optimization of the keratin biofilm towards the tensile strength. The involved parameters were ratio of keratin toglycerol, ratio of keratin to PVA and drying temperature. The biofilm was proceeded to morphological, chemical structure and colour characterization analysis using SEM, FTIR and chromameter, respectively. The keratin obtained was 0.1296mg/ml. The obtained keratin was then used in the formulation of biofilm. The biofilm with 40:50:10 (volume ratio of keratin: PVA:glycerol) dried at 60°C showed the optimum tensile strength. The FTIR showed the presence of amide and hydroxyl groups. From biodegradability test, it was proven that blend of keratin, PVA and glycerol films can be degraded by microorganisms in soil in which films with higher concentration of glycerol degrading faster compared to those with lesser glycerol concentration. Thus, it can be concluded that the chicken feather keratin offers an alternative as biofilm for biodegradable plastic.