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. 2019 Jul 25;10:954. doi: 10.3389/fpls.2019.00954

TABLE 1.

Content of total carbon (TC), nitrogen (TN), total phenols (TP), dry matter, organic nitrogen (NO), reducing sugars (glucose and fructose), amino acids and individual phenolic acids in the hydrolysates from Cicer arietinum (CA) and Spirulina platensis (SP).

Parameters Unit CA SP
TC % w/w 23.6 ± 3.24 11.6 ± 1.13
TN % w/w 2.7 ± 0.12 1.9 ± 0.03
NO % w/w 5.11 ± 12.18 6.44 ± 12.18
TP μM 420.0 ± 12.18 610.0 ± 16.31
Dry matter % w/w 48.59 ± 2.05 27.04 ± 1.13

Glucose % w/w 3.45 ± 0.57 0.24 ± 1.32
Fructose % w/w 3.08 ± 0.68 0.07 ± 0.00

Aspartate % w/w 0.085 ± 0.004 0.029 ± 0.002
Glutamate % w/w 0.185 ± 0.007 0.120 ± 0.005
Serine % w/w 0.034 ± 0.002 0.030 ± 0.002
Histidine % w/w 0.008 ± 0.001 0.005 ± 0.000
Glycine % w/w 0.033 ± 0.003 0.010 ± 0.001
Threonine % w/w 0.046 ± 0.003 0.017 ± 0.002
Arginine % w/w 0.223 ± 0.007 0.009 ± 0.000
Alanine % w/w 0.120 ± 0.005 0.052 ± 0.004
Tyrosine % w/w 0.081 ± 0.004 0.021 ± 0.001
Cystine % w/w 0.011 ± 0.002 0.004 ± 0.000
Valine % w/w 0.003 ± 0.000 0.001 ± 0.000
Methionine % w/w 0.123 ± 0.004 0.048 ± 0.003
Phenylalanine % w/w 0.067 ± 0.003 0.038 ± 0.003
Isoleucine % w/w 0.063 ± 0.004 0.046 ± 0.002
Leucine % w/w 0.142 ± 0.003 0.069 ± 0.003
Lysine % w/w 0.122 ± 0.004 0.041 ± 0.002
Proline % w/w 0.179 ± 0.004 0.117 ± 0.005

Chlorogenic acid mg kg–1 2.080 ± 0.085 0.682 ± 0.010
Caffeic acid mg kg–1 0.231 ± 0.010 n.d.
p-cumaric acid mg kg–1 0.544 ± 0.013 n.d.
Ferulic acid mg kg–1 1.612 ± 0.043 n.d.

Data represent the means of 3 measurements per treatment (±SD). Data are expressed on a dry matter basis. Analyses were performed on three aliquots of each product. n.d. = not determined.