4.6 Article

Promoting Effect of Soluble Polysaccharides Extracted from Ulva spp. on Zea mays L. Growth

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MOLECULES
卷 27, 期 4, 页码 -

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MDPI
DOI: 10.3390/molecules27041394

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Ulva fasciata; Ulva lactuca; polysaccharides; protein; antioxidants; SDS PAGE; Zea mays

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Seaweeds are found to have a significant effect on promoting plant growth, especially the soluble polysaccharides extracted from Ulva fasciata at a concentration of 5 mg/mL, which have the greatest impact on carbohydrates, proteins, phenols, and antioxidant enzymes in Zea mays.
Seaweeds can play a vital role in plant growth promotion. Two concentrations (5 and 10 mg/mL) of soluble polysaccharides extracted from the green macroalgae Ulva fasciata and Ulva lactuca were tested on Zea mays L. The carbohydrate and protein contents, and antioxidant activities (phenols, ascorbic, peroxidase, and catalase) were measured, as well as the protein banding patterns. The soluble polysaccharides at 5 mg/mL had the greatest effect on the base of all of the parameters. The highest effects of soluble polysaccharides on the Zea mays were 38.453, 96.76, 4, 835, 1.658, 7.462, and 38615.19, mg/mL for carbohydrates, proteins, phenol, mu g ascorbic/mL, mg peroxidase/g dry tissue, and units/g tissue of catalase, respectively. The total number of protein bands (as determined by SDS PAGE) was not changed, but the density of the bands was correlated to the treatments. The highest band density and promoting effect were correlated to 5 mg/mL soluble polysaccharide treatments extracted from Ulva fasciata in Zea mays, which can be used as a biofertilizer.

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