LED Light Quality Affected Bioactive Compounds, Antioxidant Potential, and Nutritional Value of Red and White Cabbage Microgreens

Podsędek, Anna; Frąszczak, B.; Sosnowska, Dorota; Kajszczak, Dominika; Szymczak, Kamil; Bonikowski, Radosław

doi:10.3390/app13095435

Cited by 11 publications

(3 citation statements)

References 54 publications

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“…Among various environmental factors, light has been found to be one of the most important variables affecting phytochemical concentrations in plants [ 29 , 30 ]. While it is widely understood that light intensity [ 31 , 32 ], photoperiod [ 32 , 33 , 34 , 35 , 36 , 37 ], and spectral composition of light [ 32 , 38 , 39 , 40 ] have significant effects on the nutritional value of plants, this research and few previous studies [ 9 , 12 , 13 , 14 , 15 , 16 , 17 , 41 ] have shown that unconventional light distribution in time as an independent variable may also significantly affect plant nutritional value. Accumulation of substances with antioxidant properties improves plant nutritional value and makes the product beneficial to health and more competitive.…”

Section: Discussionmentioning

confidence: 99%

Effects of Extended Light/Dark Cycles on Solanaceae Plants

Shibaeva,

Sherudilo,

Ikkonen

et al. 2024

Plants

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The absence of an externally-imposed 24 h light/dark cycle in closed plant production systems allows setting the light environmental parameters in unconventional ways. Innovative lighting modes for energy-saving, high-quality, and yield production are widely discussed. This study aimed to evaluate the effects of the light/dark cycles of 16/8 h (control) and 24/12 h, 48/24 h, 96/48 h, 120/60 h (unconventional cycles) based on the same total light amount, and continuous lighting (360/0 h) on plant performance of some Solanaceae species. Responses of eggplant (Solanum melongena L.), sweet pepper (Capsicum annuum L.), tobacco (Nicotiana tabacum L.), and tomato (Solanum lycopersicum L.) plants to extended light/dark cycles and continuous lighting were studied under controlled climate conditions. Plants with two true leaves were exposed to different light/dark cycles for 15 days. Light intensity was 250 µmol m−2 s−1 PPFD, provided by light-emitting diodes (LEDs). After the experiment, tomato, sweet pepper, and eggplant transplants were planted in a greenhouse and grown under identical conditions of natural photoperiod for the estimation of the after-effect of light treatments on fruit yield. Extended light/dark cycles of 24/12 h, 48/24 h, 96/48 h, 120/60 h, and 360/0 h affected growth, development, photosynthetic pigment content, anthocyanin and flavonoid content, and redox state of plants. Effects varied with plant species and length of light/dark cycles. In some cases, measured parameters improved with increasing light/dark periods despite the same total sum of illumination received by plants. Treatments of tomato and pepper transplants with 48/24 h, 96/48 h, and 120/60 h resulted in higher fruit yield compared to conventional 16/8 h photoperiod. The conclusion was made that extended light/dark cycles can result in increased light use efficiency compared to conventional photoperiod and, therefore, reduced product cost, but for practical application, the effects need to be further explored for individual plant species or even cultivars.

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Section: Discussionmentioning

confidence: 99%

Effects of Extended Light/Dark Cycles on Solanaceae Plants

Shibaeva,

Sherudilo,

Ikkonen

et al. 2024

Plants

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“…For analysis, 0.2 mL of the ethyl acetate layer was moved into a 1.5 mL glass chromatographic vial and evaporated to dryness under a gentle stream of nitrogen. After evaporation, 0.2 mL of bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane (BSTFA + TMCS) (99:1) was added and heated on a hotplate for 2 h at 80 • C. Gas chromatography coupled with mass spectrometry (GC-MS) analyses were performed on a LECO Pegasus 4D apparatus, equipped with an Agilent 7890A gas chromatograph, coupled with a mass spectrometer with a time-of-flight analyser with an adapted method previously described for phytosterols measurement [21].…”

Section: Gc-ms Analysis Of Phenolic Acidsmentioning

confidence: 99%

Old Apple Cultivars as a Natural Source of Phenolics and Triterpenoids with Cytoprotective Activity on Caco-2 and HepG2 Cells

Szymczak,

Zakłos-Szyda,

Mietlińska

et al. 2024

Foods

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Apples are among the most consumed fruits worldwide. They serve as an excellent source of compounds that have a positive impact on human health. While new varieties of apples are being developed, numerous varieties have been forgotten. In this article, we present the results of research on 30 old apple cultivars, focusing on both qualitative and quantitative determination of antioxidant properties, and content of total phenolics, phenolic acids, triterpenoids and polyphenols. Our analyses show significant differences in the total content of each group of compounds between apple cultivars, as well as the phytochemical profile. The richest source of antioxidants was revealed to be ‘Reneta Blenheimska’ and ‘Książę Albrecht Pruski’ varieties, but the highest amount of phenolics had ‘James Grieve’ and ‘Kantówka Gdańska’ (KG). Among studied apples KG, ‘Krótkonóżka Królewska’ and ‘Grochówka’ (G) were the richest source of phenolic acids and polyphenols, whereas G, ‘James Grieve’ and ‘Krótkonóżka Królewska’ had the highest level of triterpenoids. Based on these findings, we selected two cultivars, G and KG, for further in vitro cell line-based studies. Based on biological activity analyses, we demonstrated not only antioxidant potential but also proapoptotic and cytoprotective properties within human-originated Caco-2 and HepG2 cell lines. In the era of a dynamically growing number of lifestyle diseases, it is particularly important to draw the attention of producers and consumers to the need to choose fruit varieties with the highest possible content of health-promoting compounds and, therefore, with the strongest health-promoting properties.

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“…The spectral composition of light also has a significant effect on the nutritional value of Brassicaceae microgreens [23]. In some research, a high level of blue light in the spectrum increased the total anthocyanin content of most microgreen species [24].…”

Section: Introductionmentioning

confidence: 99%

Morphological and Photosynthetic Parameters of Green and Red Kale Microgreens Cultivated under Different Light Spectra

Frąszczak,

Kula-Maximenko,

Podsędek

et al. 2023

Plants

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Microgreens are plants eaten at a very early stage of development, having a very high nutritional value. Among a large group of species, those from the Brassicaceae family, including kale, are very popularly grown as microgreens. Typically, microgreens are grown under controlled conditions under light-emitting diodes (LEDs). However, the effect of light on the quality of grown microgreens varies. The present study aimed to determine the effect of artificial white light with varying proportions of red (R) and blue (B) light on the morphological and photosynthetic parameters of kale microgreens with green and red leaves. The R:B ratios were for white light (W) 0.63, for red-enhanced white light (W + R) 0.75, and for white and blue light (W + B) 0.38 at 230 µmol m−2 s−1 PPFD. The addition of both blue and red light had a positive effect on the content of active compounds in the plants, including flavonoids and carotenoids. Red light had a stronger effect on the seedling area and the dry mass and relative chlorophyll content of red-leaved kale microgreens. Blue light, in turn, had a stronger effect on green kale, including dry mass. The W + B light combination negatively affected the chlorophyll content of both cultivars although the leaves were significantly thicker compared to cultivation under W + R light. In general, the cultivar with red leaves had less sensitivity to the photosynthetic apparatus to the spectrum used. The changes in PSII were much smaller in red kale compared to green kale. Too much red light caused a deterioration in the PSII vitality index in green kale. Red and green kale require an individual spectrum with different proportions of blue and red light at different growth stages to achieve plants with a large leaf area and high nutritional value.

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LED Light Quality Affected Bioactive Compounds, Antioxidant Potential, and Nutritional Value of Red and White Cabbage Microgreens

Cited by 11 publications

References 54 publications

Effects of Extended Light/Dark Cycles on Solanaceae Plants

Effects of Extended Light/Dark Cycles on Solanaceae Plants

Old Apple Cultivars as a Natural Source of Phenolics and Triterpenoids with Cytoprotective Activity on Caco-2 and HepG2 Cells

Morphological and Photosynthetic Parameters of Green and Red Kale Microgreens Cultivated under Different Light Spectra

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