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008 120104t2010 my a f m 000 0 eng d
020 _aTHE0004944(Local)
039 9 _a201905131534
_bSHAHRILJ
_c201203071727
_dida
_c201201061807
_dida
_c201201041009
_dida
_y201201041008
_zida
040 _aUMP
090 _aTP1180.B55 F37 2010 rs Bc.
100 0 _aSiti Nur Farahana Ismail
245 1 0 _aFabrication and antimicrobial analysis of composite biodegradable film from yam starch /
_cSiti Nur Farahana Ismail
260 _aKuantan, Pahang :
_bUMP,
_c2010
300 _axv, 35 p. :
_bill. ;
_c30 cm. +
_e1 CD-ROM
502 _aProject paper (Bachelor of Chemical Engineering (Biotechnology)) -- Universiti Malaysia Pahang - 2010
504 _aBibliography : p. 32-35
520 3 _aThe purpose of this study is to produce biocomposite packaging film which is environmental friendly in nature and have potential to be used in the food packaging industry application. The objectives of this study are to fabricate different types of composite biodegradable film from yam starch and analyse antimicrobial activities of the films in resistance to Escherichia coli and Bacillus subtilis. Other than that, the films were characterized in term of physical and chemical properties. In this study, the biodegradable film will be fabricated with addition of antimicrobial agent to lead complete degradation process. Chitosan is used ad antimicrobial agent. The film preparation is by mix the yam flour with 1% acetic acid, chitosan, PEG 400 and water. Then, from the solution produced, the film is casted on the glass plate and left at ambient temperature until it has become dry. The film was then peeled from the glass plate after the drying is complete. The film is characterized by using fourier transform infrared (FT-IR) spectra, scanning electron microscope (SEM), antimicrobial activity, water solubility and viscosity. From the result, Fourier Transform Infrared (FT-IR) spectra analysis revealed starch crystallinity and hydrogen bonds were formed between chitosan and starch at wavelength 400-4000cm-1. For water solubility, the film containing 3% chitosan only have 34.9578 % water solubility compared to film that containing 1% chitosan have 59.2309 % water solubility. Films containing 3% chitosan is also showed it has the highest viscosity value, which is 1413 cP at 20 rpm. From antimicrobial test, the result showed that, the more chitosan is used, the lower the colony to breed.
650 0 _aBiodegradable plastics
650 0 _aChitosan
999 _aVIRTUA40
_c3171
_d3177
999 _aVTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*5020*5040*5200*6500*6501*9992