{"id":525,"date":"2018-10-29T15:08:23","date_gmt":"2018-10-29T15:08:23","guid":{"rendered":"http:\/\/horizon.peachpuff-wolverine-566518.hostingersite.com\/?p=525"},"modified":"2018-10-29T15:08:23","modified_gmt":"2018-10-29T15:08:23","slug":"food-scraps-to-become-dairy-and-meat-substitutes","status":"publish","type":"post","link":"https:\/\/scienceblog.com\/horizon\/525\/food-scraps-to-become-dairy-and-meat-substitutes\/","title":{"rendered":"Food scraps to become dairy and meat substitutes"},"content":{"rendered":"

Finicky eating habits and wasteful processes have led to a system that discards millions of tonnes of food each year, but new approaches are salvaging the scraps we never see to make products that people will want to eat.<\/strong><\/h3>\n
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Many people\u00a0worry<\/a>\u00a0about how to feed the world\u2019s population in 2050, when it is expected to reach\u00a09.8 billion<\/a>, but for some the answer is simple. Toine Timmermans is programme manager for sustainable food chains at Wageningen University & Research, the Netherlands. \u2018We currently have enough food produced worldwide to feed 12 to 14 billion people \u2014 not in 2050, but currently,\u2019 he said.<\/p>\n

A mix of misaligned policies and incentives have created a situation in which the world produces far more food than it needs, Timmermans says.<\/p>\n

Hundreds of millions of tonnes of food are discarded as waste, while some is\u00a0used as animal feed, even though much of it is still fit for human consumption. Put differently,\u00a0only 55%<\/a>\u00a0of the world\u2019s crop calories go directly to humans. In the EU alone,\u00a0around 88 million tonnes<\/a><\/u>\u00a0of food are thrown away each year.<\/p>\n

\u2018If you look at the data \u2013 this isn\u2019t new, it\u2019s been like this since the early 1980s \u2013 on a daily basis, per person, 5,000 kilocalories of food are being produced around the world,\u2019 he said, which is\u00a0more than twice a person\u2019s\u00a0average daily requirement<\/a>.<\/p>\n

Rethinking vegetables<\/strong><\/p>\n

Since flawed agricultural policies that encourage overproduction are a part of the problem, some experts believe a solution lies in entirely rethinking how we use food. Researchers like Timmermans are now looking at ways to consume food that doesn’t usually make it to our tables as well as remove the inefficiencies in the system that brings the products to us.<\/p>\n

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\u2018On a daily basis, per person, 5,000 kilocalories of food are being produced around the world.\u2019<\/p>\n

Toine Timmermans, Wageningen University, the Netherlands<\/p>\n<\/blockquote>\n

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Modern food production creates huge trails of waste known as side streams \u2014 potato peels, carrot pulp, bits of bananas, apples and a multitude of other by-products. To date, few industrial applications for these side streams have found success, according to a\u00a02017 study<\/a>.<\/p>\n

Timmermans coordinates a project called\u00a0REFRESH<\/a><\/u>, which aims to get us eating more of the food we produce. The researchers are exploring multiple angles, and in one strand have extracted a fibre from chicory that can be used to fortify breads, yoghurts and drinks. They are also working with the carrot manufacturing industry, which discards 50-60% of the vegetable, to find opportunities to use the juice and peel as fibre ingredients.<\/p>\n

Appetite<\/strong><\/p>\n

There is growing appetite for these products both from businesses \u2014 which want to sell them \u2014 and from consumers, Timmermans explains. \u2018At the moment we see a big market and definitely a trend, especially in larger cities where meat hybrids (products which contain meat) come into play, but also where there is a trend for fully natural products.\u2019<\/p>\n

Emilia Nordlund is research team leader for food solutions at VTT Technical Research Centre of Finland. She and colleagues are working on a project called\u00a0Prominent<\/a>, investigating the protein levels in wheat and rice side-streams. The team is honing methods to extract proteins from by-streams of ethanol and starch production, which could be added to pasta, biscuits, cakes, yoghurts and drinks as substitutes for meat and dairy.<\/p>\n

With\u00a0huge swathes<\/a>\u00a0of the Earth given over to pastoral farming or raising crops destined for livestock, identifying new sources of protein from plants would greatly benefit the environment.<\/p>\n

\u2018Cattle farming is a big issue in climate change,\u2019 Nordlund said. \u2018So, if we can move to more using plant-based foods and not feed the crops to animals, there is no doubt that it would benefit the whole planet. Indeed, there are many calculations that show that plant-based food is much more sustainable when we think about the environmental issues.\u2019<\/p>\n

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Data from 2012 reveals that over half of the food wasted in the EU happens after it has reached the end-consumer. Image credit – Horizon<\/figcaption><\/figure>\n

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Apart from plant-based side streams, the waste that comes from fisheries could be another source of protein in products such as supplements.<\/p>\n

The fisheries industry today wastes tonnes of nutritious material, as consumers swap traditional dishes like broths for perfectly presented filets. If a fish does not match the profile of what is required, crews may simply throw the carcass back in the water. Those bits of the fish discerning customers don\u2019t want to buy \u2013 the head, bones, skin and blood \u2013 may also be discarded, or turned into animal feed.<\/p>\n

Nutrients<\/strong><\/p>\n

Yet, these parts are rich in nutrients necessary for the human diet. Dr Katerina Kousoulaki is senior scientist at the Norwegian Institute for Food, Fisheries and Aquaculture, which is leading the AQUABIOPRO-FIT project to develop protein products from fish. The team want to transform fish by-products into powders,\u00a0supplements and other products.<\/p>\n

\u2018We want to make the best out of raw materials that are available, and fish and marine proteins and other bioactive compounds are very good raw materials for humans,\u2019 Kousoulaki said. \u2018So it is a downgrading, a devaluation process, the fact that it is ending up as farmed animal feed.\u2019<\/p>\n

Working with the department of medicine at Aristotle University of Thessaloniki in Greece, the team will assess how supplements affect athletes\u2019 performance. The researchers will also analyse the role of fish supplements in mental health.<\/p>\n

A 2015\u00a0study<\/a>\u00a0in the Lancet Psychiatry described evidence for \u2018the relation between dietary quality (and potential nutritional deficiencies) and mental health, and for the select use of nutrient-based supplements to address deficiencies.\u2019<\/p>\n

Kousoulaki said: \u2018We will provide nutritional supplements that will prevent \u2013 hopefully, this is the hypothesis \u2013 conditions like anxiety.’ She adds that this could indirectly help reduce the prevalence of depression for which anxiety is a causal factor.<\/p>\n

If food production continues to evolve, our meals may be about to change dramatically. We might be nibbling on bread made from chicory fibre or swallowing spoonfuls of fibrous, protein-filled yoghurt. Or we may have to learn to be less picky about what we eat. If you ever see fish-head soup on a menu, consider giving it a try.<\/p>\n

Originally published on Horizon<\/a><\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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Many people\u00a0worry\u00a0about how to feed the world\u2019s population in 2050, when it is expected to reach\u00a09.8 … Read more<\/a><\/p>\n","protected":false},"author":298,"featured_media":526,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"generate_page_header":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11,12],"tags":[4,44,25,79,24],"class_list":["post-525","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth-energy-environment","category-health","tag-environment","tag-food","tag-innovation","tag-research","tag-science"],"yoast_head":"\nFood scraps to become dairy and meat substitutes - Horizon Magazine Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/scienceblog.com\/horizon\/525\/food-scraps-to-become-dairy-and-meat-substitutes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Food scraps to become dairy and meat substitutes\" \/>\n<meta property=\"og:description\" content=\"Finicky eating habits and wasteful processes have led to a system that discards millions of tonnes of food each year, but new approaches are salvaging the scraps we never see to make products that people will want to eat. 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