Journal
BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY
Volume 17, Issue -, Pages 589-594Publisher
ELSEVIER
DOI: 10.1016/j.bcab.2019.01.021
Keywords
Seaweed extracts; Macronutrients; Micronutrients; Phytochemicals; Antioxidants
Categories
Funding
- Atomic Energy Regulatory Board [60/08/2015]
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In this study, seaweed extracts were extracted from two seaweeds viz. Sargassum swartzii (brown seaweed) (SSE) and Kappaphycus alvarezii (red seaweed) (KAE). The seaweed extracts SSE and KAE were comparatively analyzed to assess the growth, yield, phytochemical content and antioxidant capacity of Vigna unguiculata. It was observed that the 3% SSE spray significantly improved the shoot length (33 cm), number of leaves (28), yield (40 g/pot), total phenolic content (36.64 mu g GAE/g FW), protein (0.42 mg/g) and flavonoids (7.36 mu g QCE/g FW) compared to the control. The DPPH (2, 2-diphenyl-1-picrylhydrazyl) radical scavenging activity was also high in 3% SSE spray. The major antioxidant compound was identified using methanolic extracts of Vigna unguiculata through GC-MS analysis. The results suggested that application of brown seaweed extract (SSE) with the concentration of 3% can significantly improve the phytochemical content and antioxidant activity in Vigna unguiculata thus enhancing its nutritional quality.
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