研究目的
To define the influence of alternative LEDs light regimens on Brassica species microgreens growth, and nutritional composition, and to define which species could serve well as a life support component.
研究成果
The study concluded that providing green lighting ratio of R70:G10:B20 showed a positive influence on the growing microgreens growth and morphology. Kohlrabi purple, Cabbage red, Broccoli, Kale Tucsan, Komatsuna red, Tatsoi, and Cabbage green were identified as the top microgreen’s candidates that serve as a life support component in limited space-based conditions and controlled environment growth chambers.
研究不足
The study focused on a limited number of Brassica species and varieties under controlled conditions, which may not fully represent the diversity and variability in natural or commercial growing environments.
1：Experimental Design and Method Selection:
The study investigated the impact of four different LEDs lighting ratios on the growth and nutritional quality of 21 varieties of the Brassica genera of the Brassicaceae family grown as microgreens.
2：Sample Selection and Data Sources:
Twenty-one varieties of microgreens representing 5 species of Brassica genus were grown in controlled-growth chambers.
3：List of Experimental Equipment and Materials:
Light-emitting diode arrays (Philips GreenPower LED production modules), controlled-growth chambers, LI-3100 leaf area meter, ICP-OES for elemental analysis, HPLC system for vitamin and carotenoid analysis.
4：Experimental Procedures and Operational Workflow:
Microgreens were grown under four different LEDs ratios, harvested after the growth duration for each species, and analyzed for growth parameters, mineral composition, and vitamin and carotenoid concentrations.
5：Data Analysis Methods:
Statistical analysis was performed using SPSSv.22 software, and hierarchical cluster analysis was performed using ORANGE version 3.7.
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