Production of Exopolysaccharide

Fig 9. Optimum water absorption capacities of EPS

Fig 10(a): Ferric Reducing Antioxidant Power (FRAP) of

produced by fungal isolates SGMP1 and SGMP2

EPS produce from SGMP1 and SGMP2 fungal culture

Fig 10(b): Hydrogen peroxide scavenging activity of

Fig 10(c): ABTS inhibition activity Ascorbic

Ascorbic acid and EPS

acid and EPS

Evaluation of Hydrophilic activity of EPS

Analysis of antioxidant properties of EPS

It was observed that EPS of SGMP1 and SGMP2

1. Ferric Reducing Antioxidant Power (FRAP)

absorbed 860 and 250 times more water than its own dry

weight, respectively. The constant plateau was obtained

The reducing capacities of various concentrations of EPS

with further increase in time (Fig. 9). It was showed,

are compared with standard compound (ascorbic acid).

that polymer is insoluble compound and can act as a

As shown in Fig. 10(a) higher the absorbance, greater

water reservoir. A similar observation was also reported

the efficiency of reduction. The results obtained by this

in polymer obtained in Pseudomonas aeruginosa from

study revealed that reduction ability of EPS and ascorbic

marine sources which showed 400 times water absorption

acid were concentration dependent however, reduction

capacity (Jamil and Ahmed, 2008).

ability of EPS was less than standard ascorbic acid. The

reducing power of EPS implies that hydroxide groups of

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