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. 2023 Feb 16;62(8):3503–3514. doi: 10.1021/acs.iecr.2c04132

Table 1. Chemical Composition of Dried Macroalga Residue (DMR) and DMR Size Lower than 500 μm (DMR<500), Expressed as % (w/w) ± Standard Deviation.

compound DMR DMR<500
extractives 11.5 ± 0.9b 9.6 ± 0.9b
carbohydrates 37 ± 2c 33 ± 2b
glucans 23.4 ± 0.9c 21.4 ± 1.2b
galactans 10.9 ± 0.5b 10.3 ± 1.7b
arabinans 2.9 ± 0.2c 1.51 ± 0.11b
lignin 12 ± 1c 7.6 ± 0.9b
soluble 8.7 ± 0.1b 7.0 ± 0.9b
insoluble 3 ± 1c 0.6 ± 0.2b
proteinsa 21 ± 1c 17.6 ± 0.5b
lipids 0.87 ± 0.09c 2.3 ± 0.5b
ashes 22 ± 2c 24.9 ± 1.0b
a

Proteins include the protein content in the extractive fraction (DMR: 2.6 ± 0.2%; DMR<500: 1.9 ± 0.1%; NF = 4.9). Values with different letters in each column are significantly different when applying Fisher’s least significant difference (LSD) method at p value ≤0.05 (n = 3 technical replicates).