Variation in Lutein, β-carotene, and Chlorophyll Concentrations among Brassica oleracea Cultigens and Seasons
By D. Kopsell, D. Kopsell, Mark Lefsrud, J. Curran‐Celentano, Laura E. Dukach. 2004
168 citations recorded by the source corpus.
Green leafy vegetables are important sources of dietary carotenoids, and mem- bers of Brassica oleracea L. var. acephala rank highest for reported levels of lutein and β-carotene. Twenty-three leafy B. oleracea cultigens were field grown under similar fertility over two separate years and evaluated for leaf lutein and β-carotene accumulation. Choice of B. oleracea cultigen and year significantly affected carotenoid levels. Lutein concentra- tions ranged from a high of 13.43 mg per 100 g fresh weight (FW) for B. oleracea var. acephala ʻToscanoʼ to a low of 4.84 mg/100 g FW for B. oleracea var. acephala 343-93G1. β-carotene accumulations ranged from a high of 10.00 mg/100 g FW for B. oleracea var. acephala ʻToscanoʼ to a low of 3.82 mg/100 g FW for B. oleracea var. acephala 30343- 93G1. Carotenoid concentrations were significantly higher in year 2 than in year 1, but rank order among the cultigens for both lutein and s-carotene did not change between the years. During each year, there were high correlations between leaf carotenoid and chlorophyll pigments. Under similar growing conditions, choice of B. oleracea cultigen will influence carotenoid accumulation, and this may affect the health benefits of consuming these leafy green vegetable crops. Carotenoids are secondary plant com- pounds that form lipid soluble yellow, orange, and red pigments. Lutein (3R,3´R,6´R β,e- carotene-3,3´diol), a oxygenated xanthophyll, and β-carotene (β,β-carotene), a hydrocarbon carotene, are examples of two nutritionally important plant-derived carotenoids (Zaripheh and Erdman, Jr., 2002). In green plants, carot- enoids are bound to specific protein complexes of PSI and PSII, and along with chlorophyll a and b, function in light harvesting. Carot- enoids also protect photosynthetic structures by quenching
Subfields: Biochemistry, Molecular Biology, Renewable Energy, Sustainability and the Environment
View Paper: https://www.semanticscholar.org/paper/cdeaf2d39c1335c93a18c524948465f0decbb534
How researchers see this paper
The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.
In Biochemistry
In Molecular Biology
In Renewable Energy, Sustainability and the Environment
Citations in the corpus
- Biofortification of crops with seven mineral elements often lacking in human diets--iron, zinc, copper, calcium, magnesium, selenium and iodine. (2009, background): “oleracea (Schonhof & Krumbeln, 1996; Kurilich et al., 1999; Kopsell et al., 2004a), sweet potato (Nestel et al.”
- Genetic Variation of Beta-carotene and Lutein Contents in Lettuce (2005, background): “Kopsell et al. (2004) also found yearly variation in β-carotene and lutein concentrations among 23 Brassica oleracea cultigens, but the interaction of year and cultigen was not signifi cant.”
- Increases in Shoot Tissue Pigments, Glucosinolates, and Mineral Elements in Sprouting Broccoli after Exposure to Short-duration Blue Light from Light Emitting Diodes (2013, background): “The production of secondary metabolites in plant tissues is determined by an interaction of environmental growth factors with biochemical, physiological, and genetic characteristics (Goldman et al., 1999; Kopsell et al., 2004; Kurilich et al., 1999).”