Bioactive Composition and Nutritional Profile of Microgreens Cultivated in Thailand

Kowitcharoen, Laddawan and Phornvillay, Surisa and Lekkham, Pornpan and Pongprasert, Nutthachai and Srilaong, Varit (2021) Bioactive Composition and Nutritional Profile of Microgreens Cultivated in Thailand. Applied Sciences, 11 (17). pp. 1-9. ISSN 2076-3417

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Abstract

Microgreens are young and tender leafy vegetables that have gained wider consumer ac‐ceptance. This is attributed to their low caloric composition and rich micronutrient and antioxidant composition. The present study investigated the bioactive composition and proximate analysis of fourteen microgreens belonging to Brassicaceae, Fabaceae, Pedaliaceae, Polygonaceae, Convolvu‐laceae, and Malvaceae. All the microgreens showed low calories (20.22 to 53.43 kcal 100 g−1) and fat (0.15 to 0.66 g 100 g−1), whilst mung bean and lentil microgreens showed considerable amounts of carbohydrate (7.16 g 100 g−1) and protein (6.47 g 100 g−1), respectively. Lentil microgreens had the highest total chlorophyll (112.62 mg 100 g−1) and carotenoid (28.37 mg 100 g−1) contents, whilst buck‐wheat microgreens showed the highest total phenolic content (268.99 mg GAE 100 g−1) and DPPH• scavenging activity (90.83 mM TEAC g−1). The lentil microgreens also presented high ascorbic acid content (128.70 mg 100 g−1) along with broccoli, Chinese kale, purple radish, and red cabbage mi‐crogreens (79.11, 81.33, 82.58, and 89.49 mg 100 g−1, respectively). Anthocyanin content was only detected in purple radish (0.148 mg CGE 100 g−1) and red cabbage (0.246 mg CGE 100 g−1). The results provide basic information and highlight the benefits of utilizing genetic biodiversity to ob‐tain microgreens with the desired nutrients and antioxidants.

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