Eco-enzymes: transforming food waste

One way to transform organic food waste into something more useful is to turn it into a liquid eco-enzyme.

What is eco-enzyme?

Eco-enzyme is a solution of complex organic substances produced by fermenting organic waste, sugar and water. Eco-enzymes have a myriad of benefits and can be used as cleaning solutions, detergents, insect repellants and plant fertilisers – an effective substitute for chemical-based cleaners and pesticides.

What’s the benefit of creating eco-enzymes?

As well as reducing the usage of chemical based products that can harm the environment, creating your own eco-enzyme is a great way to save money on buying cleaning products. In addition, the high nutrient content of the fruit and vegetables used to make the eco-enzyme liquid means that once the fermentation process is complete and the liquid has been created, the fruit and vegetable leftovers can be used as plant fertilisers, meaning nothing is wasted!

How to make your own Eco-Enzyme

Here are the ingredients and the steps for making your own Eco-enzyme:


  1. Vegetable or fruit scraps (must be raw)
  2. Yeast (can be substituted with brown sugar)
  3. Warm water
  4. Bottle, or other airtight container


Ratio for the water, scraps and yeast are 10:3:1. For example 1 litre of water, 300 grams of scraps and 100 grams of yeast/brown sugar.

  1. Chop the scraps into small pieces and put them into your container.
  2. Add the water and yeast (or brown sugar) and shake/mix until it blended.
  3. Close the container, making a tiny hole in the top to prevent the container from exploding when gasses build up.
  4. Leave for up to three months, away from direct sunlight. 
  5. After one month the eco-enzyme will have turned a yellowish color and will be ready for filtering. Filter the liquid away into another container and save the fruit/vegetable leftovers to be used as natural fertilisers for trees or plants.