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Nutritional Characterization Based on Vegetation Indices to Detect Anthocyanins, Carotenoids, and Chlorophylls in Mini-Lettuce Clemente, Andressa Alves; Maciel, Gabriel Mascarenhas; Siquieroli, Ana Carolina Silva; Gallis, Rodrigo Bezerra de Araujo; Luz, José Magno Queiroz; Sala, Fernando César; Pereira, Lucas Medeiros; Yada, R. Y. (Rickey Yoshio), 1954-

Abstract

When obtaining new cultivars or monitoring the nutritional composition of lettuce, new techniques are necessary given the high cost and time required to conduct laboratory analyses of plant composition by conventional methods. The objective of this study was to evaluate different vegetation indices for the estimation of anthocyanin, chlorophyll, and carotenoids in mini-lettuce genotypes with different leaf colors and different typologies from red, green, and blue (RGB) images. The contents of pigments were evaluated in 15 lettuce genotypes, in addition to the soil plant analysis development (SPAD) index and vegetation indices in the visible range. The variability among genotypes was confirmed by the Scott-Knott test (p < 0.05) and multivariate analysis. Linear regressions were obtained between the green leaf index (GLI) and leaf pigments. GLI was a good predictor for estimating the contents of anthocyanin (r = −0.83; r2 = 0.75), carotenoid (r = −0.59; r2 = 0.43), chlorophyll a (r = −0.69; r2 = 0.48), chlorophyll b (r = −0.62; r2 = 0.39), and total chlorophyll (r = −0.77; r2 = 0.65) in red and green mini-lettuce. The high-performance phenotyping technique can be used to evaluate leaf pigments in breeding programs, as well as in crops for monitoring biofortification levels in lettuce.

Item Metadata

Title
Nutritional Characterization Based on Vegetation Indices to Detect Anthocyanins, Carotenoids, and Chlorophylls in Mini-Lettuce
Creator
Clemente, Andressa Alves; Maciel, Gabriel Mascarenhas; Siquieroli, Ana Carolina Silva; Gallis, Rodrigo Bezerra de Araujo; Luz, José Magno Queiroz; Sala, Fernando César; Pereira, Lucas Medeiros; Yada, R. Y. (Rickey Yoshio), 1954-
Publisher
Multidisciplinary Digital Publishing Institute
Date Issued
2023-05-19
Description
When obtaining new cultivars or monitoring the nutritional composition of lettuce, new techniques are necessary given the high cost and time required to conduct laboratory analyses of plant composition by conventional methods. The objective of this study was to evaluate different vegetation indices for the estimation of anthocyanin, chlorophyll, and carotenoids in mini-lettuce genotypes with different leaf colors and different typologies from red, green, and blue (RGB) images. The contents of pigments were evaluated in 15 lettuce genotypes, in addition to the soil plant analysis development (SPAD) index and vegetation indices in the visible range. The variability among genotypes was confirmed by the Scott-Knott test (p < 0.05) and multivariate analysis. Linear regressions were obtained between the green leaf index (GLI) and leaf pigments. GLI was a good predictor for estimating the contents of anthocyanin (r = −0.83; r2 = 0.75), carotenoid (r = −0.59; r2 = 0.43), chlorophyll a (r = −0.69; r2 = 0.48), chlorophyll b (r = −0.62; r2 = 0.39), and total chlorophyll (r = −0.77; r2 = 0.65) in red and green mini-lettuce. The high-performance phenotyping technique can be used to evaluate leaf pigments in breeding programs, as well as in crops for monitoring biofortification levels in lettuce.
Subject
Lactuca sativa L.; biofortified foods; genetic enhancement; indirect method; nutrition; RGB image
Genre
Article
Type
Text
Language
eng
Date Available
2023-09-13
Provider
Vancouver : University of British Columbia Library
Rights
CC BY 4.0
DOI
10.14288/1.0435849
URI
http://hdl.handle.net/2429/85905
Affiliation
Land and Food Systems, Faculty of; Non UBC
Citation
Clemente, A.A.; Maciel, G.M.; Siquieroli, A.C.S.; Gallis, R.B.d.A.; Luz, J.M.Q.; Sala, F.C.; Pereira, L.M.; Yada, R.Y. Nutritional Characterization Based on Vegetation Indices to Detect Anthocyanins, Carotenoids, and Chlorophylls in Mini-Lettuce. Agronomy 2023, 13, 1403.
Publisher DOI
10.3390/agronomy13051403
Peer Review Status
Reviewed
Scholarly Level
Faculty; Graduate
Rights URI
https://creativecommons.org/licenses/by/4.0/
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CC BY 4.0