Published in Scientific Papers. Series A. Agronomy, Vol. LXVII, Issue 1
Written by Lorena-Diana POPA, Gabriel-Ciprian TELIBAN, Ioana BUȚERCHI, Marian BURDUCEA, Simona-Florina ISTICIOAIA, Florin NENCIU, Alexandra LEONTE, Alexandra-Andreea BUBURUZ, Andreea-Sabina PINTILIE, Ilie BODALE, Alexandru COJOCARU, Andrei LOBIUC, Vasile STOLERU
Microgreens represent a healthy alternative in nutrition, due to their high nutritional value and unique sensory characteristics. The light, the temperature or the density influences the photosynthetic and metabolic activity of microgreens, having a beneficial effect on their nutritional quality. In 2023, an experiment was carried out with microgreens from a hemp variety at IULS Iasi. This explored two growing environments, controlled versus uncontrolled (growth chamber versus window) and seven different seeding densities ranging from 40 to 280 microgreens/100 cm2. The results revealed that the variant with 280 microgreens/100 cm2 in the growth chamber recorded the highest fresh matter of 12.864 g/100 cm2, while the variant with 40 microgreens/100 cm2 in the growth chamber presented the highest content of chlorophyll pigments (13.1 CCI). The highest value of vitamin C (58.0 mg/100 g product) was found in D160 variant and the highest content in total soluble solids (4.33°Bx) belongs to the D200 variant, both from the growth chamber. Results underline the importance of selecting appropriate growth conditions and seeding densities for optimizing the qualitative and quantitative properties of hemp microgreens.
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