Biodegradable plastic that has attracted attention is the lactic acid khaae (Polylactic Acid: PLA), the PLA, which is the ester polymer type aliphatic compounds are obtained from the fermentation of carbohydrates derived from agricultural crops, e.g. corn starch and tapioca starch by special features, there is clear. Not biodegradable in the environment in General [2], [3] but biodegradable when brought to the landfill in the soil due to the PLA relies on microorganisms in the soil to decompose [4].
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