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Table 2 Biochemical composition of Scenedesmus acutus biomass after 30 or 180 days of wet anaerobic storage

From: Assessing the stability and techno-economic implications for wet storage of harvested microalgae to manage seasonal variability

Experimental condition Length of storage (days) Lipids (%, db) Protein (%, db) Carbohydrates (%, db)
S. acutust0 1 0 10.1 ± 0.2 32.1 ± 0.14 38.7 ± 0.4
Anaerobic* 30 10.4 ± 0.4 33.7 ± 0.86 33.0 ± 1.2
180 10.0 ± 0.2 32.2 ± 0.14 33.5 ± 0.9
Sulfuric acid (0.5%, db)* 30 10.7 ± 0.4 33.7 ± 0.05 28.9 ± 0.2
180 10.7 ± 0.2 34.4 ± 0.05 29.5 ± 0.1
S. acutust0 2 0 10.0 ± 0.3 32.7 ± 0.09 33.7 ± 0.8
Glycosidase* 30 12.0 ± 0.3 35.9 ± 0.29 24.8 ± 0.3
180 11.8 ± 0.2 39.5 ± 0.48 18.8 ± 0.01
Glucose oxidase* 30 13.7 ± 0.9 38.0 ± 0.05 21.8 ± 0.6
180 13.5 ± 0.1 41.0 ± 0.09 13.9 ± 0.5
  1. * Biological replicates (n = 3) were combined to accommodate all analyses. Variation is represented by standard deviation of analytical replicates (lipids, n = 3; protein n = 3; carbohydrates n = 2)
  2. 1,2Harvest 1 and 2