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Table 1 Components of chemical composition of different strains from K. alvarezii

From: Chemical analysis and biorefinery of red algae Kappaphycus alvarezii for efficient production of glucose from residue of carrageenan extraction process

Strains Total carbohydrates (%) Ashes (%) Sulfate groups (%) Proteins (%) Insoluble aromatics (%) AG (%) HMF (%) Lipids (%) Sum (%)
Brown** 53.4 ± 1.2a,b,c,e,f 14.6 ± 0.1a 9.6 ± 0.2a,b,c,d,e,f 3.8 ± 0.5 2.4 ± 0.1 0.9 ± 0.1 4.5 ± 0.3 0.5 ± 0.1 91.6
Red** 52.3 ± 1.0b,e,f 16.0 ± 0.1b,c,d,e 10.1 ± 0.3b,c,d,e,f 2.5 ± 0.3 1.5 ± 0.2 1.0 ± 0.1 4.1 ± 0.2 0.6 ± 0.1 88.7
Brown* 54.6 ± 0.4c,d,e 16.5 ± 0.1c,d,e 9.6 ± 0.8c,d,e,f 2.5 ± 0.5 3.0 ± 0.2 1.2 ± 0.1 3.6 ± 0.4 0.5 ± 0.1 91.5
Green* 55.8 ± 0.4d 16.4 ± 0.2d,e 10.7 ± 0.1d,e,f 3.1 ± 0.3 2.9 ± 0.2 1.5 ± 0.1 3.4 ± 0.2 1.3 ± 0.1 95.9
Red* 52.7 ± 1.0e,f 16.6 ± 0.2e 10.1 ± 0.1e,f 2.5 ± 0.3 3.4 ± 0.1 1.3 ± 0.1 2.8 ± 0.3 0.6 ± 0.1 90.0
G11* 51.6 ± 0.3f 17.2 ± 0.1f 10.8 ± 0.8f 2.3 ± 0.3 2.7 ± 0.2 1.3 ± 0.2 4.3 ± 0.1 0.2 ± 0.1 90.4
  1. Contents present in percentage (g/100 g of original material in dry basis)
  2. (*) Cultivation for June 2013, (**) cultivation for May 2013
  3. AG galacturonic acid, HMF hydroximethylfurfural
  4. All reported data are the average values followed by their standard deviations. In each column, the values with the same superscript letters do not differ among themselves at significance level of 0.05 (Tukey test, Software GraphPad Instat)