Comparison of yield and metabolites according to the types of hilling materials utilized during Glehnia littoralis sprout vegetable cultivation
2022
Hong, Sae Jin | Park, Nam Il | Hwang, Dae Keun | Yi, Tae-gyu | Eum, Hyang Lan
Various hilling materials (rice hulls, pine sawdust, and perlite) were compared to produce sprout vegetables using beach silvertop (Glehnia littoralis Fr. Schm. ex Miq.). We have investigated the yield, total phenolic content, total flavonoid content, antioxidant capacities (DPPH, ABTS), phenolic compounds, and volatile compounds of G. littoralis sprout vegetables. Comparing the yield and phenolic compounds according to the hilling materials, the rice hulls treatment was the most and followed by sawdust and perlite. The leaves and stems of G. littoralis sprout vegetable contain approximately 27 volatile compounds. The sawdust treatment had a pine scent even during the hilling process, and these scent components were entirely absorbed by the stem. The result suggested that sawdust treatment, like rice hulls, had a high yield and high content of beneficial compounds, but the stem of G. littoralis had a pine tree scent, reducing the inherent scent of G. littoralis.
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