LED Technology Applied to Plant Development for Promoting the Accumulation of Bioactive Compounds: A Review

Overview

Journal Plants (Basel)

Date 2023 Mar 11

PMID 36903934

Authors

Oana Livadariu

Carmen Maximilian

Behnaz Rahmanifar

Calina Petruta Cornea

Affiliations

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Abstract

Light is an important environmental factor for plants. The quality of light and the wavelength stimulate enzyme activation, regulate enzyme synthesis pathways and promote bioactive compound accumulation. In this respect, the utilization of LED light under controlled conditions in agriculture and horticulture could be the most suitable choice for increasing the nutritional values of various crops. In recent decades, LED lighting has been increasingly used in horticulture and agriculture for commercial-scale breeding of many species of economic interest. Most studies on the influence of LED lighting on the accumulation of bioactive compounds in any type of plants (horticultural, agricultural species or sprouts) and also biomass production, were carried out in growth chambers under controlled conditions, without natural light. Illumination with LED could be a solution for obtaining an important crop with maximum efficiency, with a high nutritional value and minimum effort. To demonstrate the importance of LED lighting in agriculture and horticulture, we carried out a review based on a large number of results cited in the literature. The results were collected from 95 articles and were obtained using the keyword LED combined with plant growth; flavonoids; phenols; carotenoids; terpenes; glucosinolates; food preservation. We found the subject regarding the LED effect on plant growth and development in 11 of the articles analyzed. The treatment of LED on phenol content was registered in 19 articles, while information regarding flavonoid concentrations was revealed by 11 articles. Two articles we reviewed debate the accumulation of glucosinolates and four articles analyzed the synthesis of terpenes under LED illumination and 14 papers analyzed the variation in content of carotenoids. The effect of LED on food preservation was reported in 18 of the works analyzed. Some of the 95 papers contained references which included more keywords.

Citing Articles

LED light improves shoot multiplication, steviol glycosides and phenolic compounds biosynthesis in Stevia rebaudiana Bertoni in vitro culture.

Ptak A, Szewczyk A, Simlat M, Pawlowska B, Warchol M Sci Rep. 2024; 14(1):30860.

PMID: 39730590 PMC: 11681253. DOI: 10.1038/s41598-024-81696-1.

Light-Emitting Diodes and Liquid System Affect the Caffeoylquinic Acid Derivative and Flavonoid Production and Shoot Growth of (Willd.) Iljin.

Skala E, Olszewska M, Tabaka P, Kicel A Molecules. 2024; 29(9).

PMID: 38731636 PMC: 11085107. DOI: 10.3390/molecules29092145.

The Role of Blue and Red Light in the Orchestration of Secondary Metabolites, Nutrient Transport and Plant Quality.

Trivellini A, Toscano S, Romano D, Ferrante A Plants (Basel). 2023; 12(10).

PMID: 37653943 PMC: 10223693. DOI: 10.3390/plants12102026.

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