Moringa oleifera L. Microgreens and their Antioxidant Activity

¹ School of Bioinnovation and Biobased Product Intelligence, Faculty of Science, Mahidol University, 272 Rama VI Road, Ratchathewi District, Bangkok 10400, Thailand
² Intan Permata Hati Upper Secondary School, Jl. Raya Kedung Baruk No.112-114, Rungkut, Surabaya 60298, Central Java, Indonesia

^* Corresponding author: Arta@staff.ubaya.ac.id

Abstract

This research aims to study the growth and antioxidant activity of Moringa oleifa L. microgreens. The microgreen phase occurred at 7 d after germination with a height of 36.72 cm ± 4.20 cm, fresh weight of 7.30 g ± 0.92 g 10 plants⁻¹ , and the proportion of leaf to shoot is 16.01 % ± 1.31 %. M. oleifera microgreen leaves have a chlorophyll a, b, and carotenoid concentration respectively of 1 180.7 μg g ⁻¹ ± 329.0 μg g ⁻¹ of fresh weight, 631.7 μg g ⁻¹ ± 35.1 μg g ⁻¹ of fresh weight and 458.3 μg g ⁻¹ ± 52.0 1 μg g ⁻¹ of fresh weight. Examination of the antioxidant activity (DPPH) showed the antioxidant activity of the leaves is greater than that of the stem, with the IC50 of the leaves at 4.7 g L ⁻¹ and the IC50 of the stem at 10.1 g L ⁻¹ . Generally, M. oleifera microgreens can be harvested 7 d after germination with over twice the antioxidant activity in the leaves compared to the stems.