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  2. Food preservation - Wikipedia

    en.wikipedia.org/wiki/Food_preservation

    Food preservation includes processes that make food more resistant to microorganism growth and slow the oxidation of fats. This slows down the decomposition and rancidification process. Food preservation may also include processes that inhibit visual deterioration, such as the enzymatic browning reaction in apples after they are cut during food ...

  3. Biodegradation - Wikipedia

    en.wikipedia.org/wiki/Biodegradation

    Biodegradation is the naturally-occurring breakdown of materials by microorganisms such as bacteria and fungi or other biological activity. [ 35] Composting is a human-driven process in which biodegradation occurs under a specific set of circumstances. [ 36] The predominant difference between the two is that one process is naturally-occurring ...

  4. Expiration date - Wikipedia

    en.wikipedia.org/wiki/Expiration_date

    Expiration date. "Display until" and "use by" expiration dates on a meat product in the United Kingdom. An expiration date or expiry date is a previously determined date after which something should no longer be used, either by operation of law or by exceeding the anticipated shelf life for perishable goods.

  5. Digestate - Wikipedia

    en.wikipedia.org/wiki/Digestate

    Acidogenic digestate produced from mixed municipal waste. Digestate is the material remaining after the anaerobic digestion (decomposition under low oxygen conditions) of a biodegradable feedstock. Anaerobic digestion produces two main products: digestate and biogas. Digestate is produced both by acidogenesis and methanogenesis and each has ...

  6. Compost - Wikipedia

    en.wikipedia.org/wiki/Compost

    Compost is a mixture of ingredients used as plant fertilizer and to improve soil 's physical, chemical, and biological properties. It is commonly prepared by decomposing plant and food waste, recycling organic materials, and manure. The resulting mixture is rich in plant nutrients and beneficial organisms, such as bacteria, protozoa, nematodes ...

  7. Food loss and waste - Wikipedia

    en.wikipedia.org/wiki/Food_loss_and_waste

    Food recovered by food waste critic Robin Greenfield in Madison, Wisconsin, from two days of recovery from dumpsters [1]. Food loss and waste is food that is not eaten. The causes of food waste or loss are numerous and occur throughout the food system, during production, processing, distribution, retail and food service sales, and consumption.

  8. Garbage disposal unit - Wikipedia

    en.wikipedia.org/wiki/Garbage_disposal_unit

    Garbage disposal unit. A garbage disposal unit (also known as a waste disposal unit, food waste disposer (FWD), in-sink macerator, garbage disposer, or garburator) is a device, usually electrically powered, installed under a kitchen sink between the sink's drain and the trap. The device shreds food waste into pieces small enough—generally ...

  9. Waste hierarchy - Wikipedia

    en.wikipedia.org/wiki/Waste_hierarchy

    Waste (management) hierarchy is a tool used in the evaluation of processes that protect the environment alongside resource and energy consumption from most favourable to least favourable actions. [ 1] The hierarchy establishes preferred program priorities based on sustainability. [ 1] To be sustainable, waste management cannot be solved only ...