| 
      
        | Sugar | Culture    period |  
      
        | Feb | Mar
 | Apr | May | Jun | Jul |  
        | Rhamnose | 0.11 ± 0.00a | 0.08 ± 0.00b | 0.08 ± 0.00b | 0.04 ± 0.00c | 0.04 ± 0.00c | 0.03 ± 0.01d |  
        | Ribose | 0.19 ± 0.00a | 0.10 ± 0.00b | 0.10 ± 0.00b | 0.01 ± 0.00d | 0.02 ± 0.00c | 0.01 ± 0.01d |  
        | Mannose | 0.66 ± 0.01b | 0.55 ± 0.01d | 0.65 ± 0.01b | 0.72 ± 0.02a | 0.60 ± 0.01c | 0.56 ± 0.02d |  
        | Fucose | 3.32 ± 0.08c | 4.17 ± 0.13b | 4.84 ± 0.12a | 2.68 ± 0.06d | 2.27 ± 0.06f | 2.52 ± 0.16e |  
        | Galactose | 2.31 ± 0.06a | 1.92 ± 0.04b | 1.97 ± 0.06b | 0.80 ± 0.02d | 0.88 ± 0.02c | 0.71 ± 0.11e |  
        | Xylose | 0.35 ± 0.01a | 0.24 ± 0.01b | 0.16 ± 0.00c | 0.06 ± 0.00d | 0.05 ± 0.00e | 0.05 ± 0.00e |  
        | Glucose | 0.55 ± 0.01d | 0.64 ± 0.02c | 0.68 ± 0.02b | 0.73 ± 0.01a | 0.72 ± 0.02a | 0.53 ± 0.12d |  
        | Total | 7.48 ± 0.17b | 7.70 ± 0.17b | 8.47 ± 0.21a | 5.03 ± 0.13c | 4.56 ± 0.11d | 4.40 ± 0.14d |  | 
  
    | aValues represent means ± standard error (n=3). Mean values in the same row followed by different letters differ significantly (p<0.05). | 
  
    | Table 4: Seasonal variation of component sugar in the dried sea tangle (S. japonica) cultured at Kijang areaa |