Research Article
Enteromorpha compressa Exhibits Potent Antioxidant Activity
Table 1
Physical and chemical parameters of sea water collected at different seasons (2009-2010).
| Parameters | Units | Seasons | Spring | Summer | Autumn | Winter |
| Physical parameter |
| Temperature |
°C | 20.00 | 28.00 | 25.00 | 18.00 | Light intensity | k lux | 132.00 | 840.00 | 255.00 | 112.00 | EC | mmose/cm | 58.00 | 61.00 | 60.00 | 45.00 | EC | μg/mL | 46400.00 | 48800.00 | 4800.00 | 36000.00 | PH | | 7.50 | 7.30 | 7.35 | 7.25 |
| Chemical parameter (mg/L) |
| Dissolved anions |
| Carbonate | | 0.00 | 0.00 | 0.00 | 0.00 | Nitrate | | 22.32 | 28.42 | 1.96 | 10.33 | Phosphorus | | 0.00 | 0.044 | 0.53 | 0.029 | Bicarbonate | | 2.62 | 1.62 | 1.70 | 1.90 | Chloride | | 705.20 | 624.0 | 636.0 | 358.46 | Sulphate | | 62.18 | 238.38 | 232.30 | 269.64 |
| Dissolved cations |
| Calcium | | 30.00 | 21.60 | 25.40 | 115.50 | Zinc | | 0.159 | 0.006 | 0.00 | 0.004 | Ammonium | | 6.48 | 2.94 | 3.92 | 1.72 | Copper | | 0.00 | 0.008 | 0.002 | 0.016 | Magnessum | | 107.00 | 141.48 | 117.16 | 31.75 | Sodium | | 630.00 | 685.26 | 712.62 | 464.60 | Potassium | | 3.00 | 15.66 | 14.82 | 18.15 | Residual sodium carbonate | | 0.00 | 0.00 | 0.00 | 0.00 | Adsorbed sodium % | | 76.09 | 75.89 | 84.43 | 54.15 |
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