Using local micro-biota to extract biodegradable plastics from food waste through a natural fermentation process
Автор: Tsegay Merhawi K., Sukhenko L.T.
Журнал: Вестник Воронежского государственного университета инженерных технологий @vestnik-vsuet
Рубрика: Пищевая биотехнология
Статья в выпуске: 2 (88), 2021 года.
Бесплатный доступ
The main problems of mankind in recent decades are the accumulation of various industrial, agricultural, and food production wastes. Their ineffective disposal and management practices have a detrimental effect on human health and cause environmental pollution, which requires urgent action. Food waste has become a complex phenomenon lately, attracting the attention of scientists, consumers, and activists. This study aims to apply the biotechnology of converting food waste into crystals of polylactic acid (PLA), a monomer for biodegradable plastic. A food waste sample is taken from the student canteen; wash, to remove impurities and fermentation of carbohydrate waste by autotrophic lactic acid bacteria in a natural process for about seven days in the optimal temperature range. Finally, lactic acid molecules polymerized by condensation reaction to form poly L-lactic acid (PLA) crystals, and then a biodegradable bioplastic.
Food waste, fermentation, lactic acid, poly l-lactic acid (pla), bioplastics, biodegradable, polymerization
Короткий адрес: https://sciup.org/140261132
IDR: 140261132 | DOI: 10.20914/2310-1202-2021-2-133-136
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