2021
DOI: 10.3390/agronomy11020304
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Abstract: Background: This work investigates the morphological and compositional changes of carrots sprouts during 17 days at 20 °C. Methods: Growing conditions were 7 days in darkness (dD) followed by 3, 7, or 10 days of a 16 h light/8 h darkness photoperiod (dP). Light stimuli used were fluorescent light (Fl), Blue+Red (B+R), Blue+Red+Far-Red (B+R+FR) Light-Emitting Diodes—LEDs- and darkness as control. Results: Results showed that lighting conditions improved the total antioxidant activity and increased the bioactive… Show more

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Cited by 22 publications
(14 citation statements)
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“…After treatment, bell peppers were kept at 20 LED lamps were applied with a simultaneous combination (1:1) of blue (peak at 450 nm) and red (peak at 660 nm). This combination was chosen due to our previous preliminary test based on previous findings by Martínez-Zamora et al [25] and Pennisi et al [26].…”
Section: Postharvest Treatments and Light Photoperiodmentioning
confidence: 99%
See 1 more Smart Citation
“…After treatment, bell peppers were kept at 20 LED lamps were applied with a simultaneous combination (1:1) of blue (peak at 450 nm) and red (peak at 660 nm). This combination was chosen due to our previous preliminary test based on previous findings by Martínez-Zamora et al [25] and Pennisi et al [26].…”
Section: Postharvest Treatments and Light Photoperiodmentioning
confidence: 99%
“…Preparation and carotenoid analysis were performed according to Martínez-Zamora et al [25] with slight modifications. A sample of 1 g was homogenized with 5 mL of chloroform:dichloromethane (2:1, v/v) in a basic grinder (IKA A11, Staufen, Germany).…”
Section: Extraction and Determination Of Carotenoidsmentioning
confidence: 99%
“…In addition, the TAC was not affected by light or salinity treatments. However, Martínez-Zamora et al [58] reported that under the above lighting conditions, carrot sprouts from the FL treatment reported 39.4% less TAC, by the same procedure used in this experiment, than those grown under RB LEDs. In fact, in a review concerning LED lighting as a key to modulate antioxidant compounds in plants, Loi et al [59] stated that B, R and FR lights had shown to be able to increase the TPC and TFC in different plant commodities, and that the regulation of TPC and TFC by LEDs can be performed directly by inducing the expression of the key enzyme and indirectly by increasing the shikimic acid as precursor molecule [60].…”
Section: Total Phenol Content Total Flavonoids Content and Total Antioxidant Capacitymentioning
confidence: 50%
“…TPC was only affected by lighting, with the microgreens grown under the RB spectrum being those that reached the highest content (Table 2). Martínez-Zamora et al [58] found that the TPC of carrot sprouts remained quite constant during a germination period of 7 d in darkness plus 10 d in a similar photoperiod in samples grown under RB LEDs, while Fl and RB+FR treatments reduced 24% and 12% the maximum TPC reached during growing, respectively. Purslane microgreens under RB+FR treatment showed the lowest TFC (around 14% lower than under FL and RB lights), while salinity reduced the TFC by 10%.…”
Section: Total Phenol Content Total Flavonoids Content and Total Antioxidant Capacitymentioning
confidence: 96%
“…Light quality also affects the content of bioactive compounds such as carotenoids and phenols in carrot. According to Martinez-Zamora et al [116], when carrot sprouts were treated with red, far-red, and blue light, the phenol content increased by more than 45% and the carotenoid content by more than 220% compared to sprouts grown in the dark. In cucumbers, the spectral composition of light affects sensitivity to ultraviolet B radiation.…”
Section: Environmental Conditionsmentioning
confidence: 99%