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The assessment summarises that LEDs are superior compared to other lamp types. LEDs are ideal in luminous efficiency, life span and electricity usage. Mercury, carbon dioxide and heat emissions are also lowest in comparison to HPS and CFL lamps. This indicates that LEDs are indeed economic and eco\u2010friendly lighting devices. The present review indicates also that LEDs have many practical benefits compared to other lamp types. In addition, they are applicable in many purposes in plant foods production. The main focus of the review is the targeted use of LEDs in order to enrich phytochemicals in plants. This is an expedient to massive improvement in production efficiency, since it diminishes the number of plants per phytochemical unit. Consequently, any other production costs (e.g. growing space, water, nutrient and transport) may be reduced markedly. Finally, 24 research articles published between 2013 and 2017 were reviewed for targeted use of LEDs in the specific, i.e. blue range (400\u2013500\u2009nm) of spectrum. The articles indicate that blue light is efficient in enhancing the accumulation of health beneficial phytochemicals in various species. The finding is important for global food production. \u00a9 2017 Society of Chemical Industry<\/jats:p>","DOI":"10.1002\/jsfa.8492","type":"journal-article","created":{"date-parts":[[2017,6,20]],"date-time":"2017-06-20T03:48:47Z","timestamp":1497930527000},"page":"5059-5064","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":56,"title":["Targeted use of LEDs in improvement of production efficiency through phytochemical enrichment"],"prefix":"10.1002","volume":"97","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0385-1284","authenticated-orcid":false,"given":"Erja","family":"Taulavuori","sequence":"first","affiliation":[{"name":"Department of Ecology and Genetics University of Oulu  Oulu Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kari","family":"Taulavuori","sequence":"additional","affiliation":[{"name":"Department of Ecology and Genetics University of Oulu  Oulu Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jarmo K","family":"Holopainen","sequence":"additional","affiliation":[{"name":"Department of Environmental and Biological Sciences University of Eastern Finland  Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Riitta","family":"Julkunen\u2010Tiitto","sequence":"additional","affiliation":[{"name":"Department of Environmental and Biological Sciences University of Eastern Finland  Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Canan","family":"Acar","sequence":"additional","affiliation":[{"name":"Faculty of Engineering and Natural Sciences Bahcesehir University  Be\u015fikta\u015f, Istanbul Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ibrahim","family":"Dincer","sequence":"additional","affiliation":[{"name":"Clean Energy Research Laboratory (CERL) Faculty of Engineering and Applied Science, University of Ontario Institute of Technology  Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,8]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.17660\/ActaHortic.2007.761.23"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/en9040263"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.2183\/pjab.89.447"},{"key":"e_1_2_6_5_1","volume-title":"Energy Efficiency of LEDs. 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