Biomass has always been quite a headache for anyone working in the food industry. This term encompasses anything related to the agricultural waste left behind, never to be seen by the consumer - including stems, leaves, seed pots, and so on. The amount of these by-products is staggering.
Agricultural Waste: A Large Burden On The Environment
Worldwide, the crop-remainders on the field left behind after harvesting add up to some 5 billion metric tons. It is quite a task for farmers to get rid of those residues - and a task that adds to their carbon footprint. Roughly 13% of industry-wide emissions can be contributed to the processing and removal of biomass in any shape, form, or size.

Potatoes left behind to rot.
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So we are not just leaving quite a lot of product on the table; its ultimate removal and cleanup place an additional burden on the environment as well. For those who think that there should be a better way, you are right. Thankfully, we are now looking into doing so by turning the waste left behind into useful food products or packaging.
The concept is fantastic, as it solves the big problem of waste and provides farmers with a much-needed additional income stream from this new product. Plus, it is quite easy to implement in the current day-to-day business.
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Waste Turned Into Food: Create More Chocolate
The cacao bean, for instance, is a notorious waste-generator. For one pound of cacao produced, there are about twelve pounds of biomass. This is something that can potentially be turned into something useful. Colombian researchers created new products using cacao waste, such as beer, desserts, juice, and nutraceuticals.

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Researchers found that they could create chocolate using cacao beans and cacao bean waste in a similar experiment. This chocolate claims to be 100 percent cacao while tasting a lot less bitter than traditional forms of pure chocolate. This results from replacing ‘traditional’ chocolate ingredients like cane sugar, milk, and soy lecithin with sweeteners and emulsifiers from the cacao fruit, components that were previously thrown away. It is commercially available under the brand name 'Betul.'
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Turning Agricultural Waste Into Eco-friendly Products & Packaging
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European researchers are finding ways of turning agricultural waste into eco-friendly packaging. A double win, as it reduces waste and cuts back on the amount of plastic used for packaging. Packaging can be created using residues such as spoiled fruit juices, wheat straw, grapevine shoots, and cattle manure - or this is what researchers united in the project GLOPACK have found.

The downside of this packaging project is that it is more costly. The cost of eco-friendly packaging will be anywhere between € 3 and € 4 per kilogram, whereas regular packaging plastic averages around € 1,50 per kilogram. Yet when looking at the real, actual price of plastic vs. eco-friendly alternatives, this will surely tip the scale. Besides, this eco-friendly solution will decrease agricultural waste and allow the industry to become less reliant on petrochemical products and reduce their emissions.
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Green Alternatives: Fruit Pigments And Antioxidants Make Care Products
Meanwhile, in Australia, researchers are figuring out how to use agricultural plant waste to harvest molecules useful in medicine, cosmetics, and food additives. This is working particularly well for mushroom residue for medicinal use, leftovers from vegetables such as cauliflower and kale for sulforaphane, a component that boosts specific health benefits - and, most notably, fruit pigments and antioxidants for beauty and skincare products,

These leftovers do not usually have any value, although they are straightforward to extract and process into products that do have value. In particular, the pigments found in blueberries en blackberries are incredibly suitable for this purpose. However, similar biomolecules are also produced for apples, cherries, other berries, black olives, and the skins of onions and potatoes.
Reducing Agricultural Waste While Creating More Products
These examples of Australian, European, and Columbian initiatives are just mere examples of the many ways in which we can re-use our agricultural waste and previously unused by-products of our food production. It should be pursued for anyone working with biomass, not only because it is the more sustainable thing to do but also because it can enhance the producer’s bottom line by introducing one or several additional products.
So if the green element does not do it for you, the green numbers below your profit line might.
Before you go!
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