Microalga | Experimental Diets | ||||||
---|---|---|---|---|---|---|---|
Item | C. vulgaris | Control | CH | CHR | CHM | ||
Energy, kcal ME/kg as fed basis | 4586 | 4614 | 4627 | 4650 | 4615 | ||
Proximate composition, % as fed basis | |||||||
Dry matter | 93.1 | 89.0 | 89.6 | 89.3 | 86.4 | ||
Crude protein | 42.8 | 19.9 | 20.4 | 19.8 | 19.1 | ||
Crude fat | 8.73 | 6.59 | 7.56 | 7.63 | 7.41 | ||
Ash | 11.8 | 5.60 | 6.08 | 6.21 | 6.13 | ||
Estimated available limiting amino acid composition, % as fed basis | |||||||
Arginine | 3.89 | 1.42 | 1.08 | 1.08 | 1.08 | ||
Histidine | 0.65 | 0.55 | 0.43 | 0.43 | 0.43 | ||
Isoleucine | 1.26 | 1.04 | 0.78 | 0.78 | 0.78 | ||
Leucine | 2.45 | 1.81 | 1.44 | 1.44 | 1.44 | ||
Lysine | 2.63 | 1.13 | 1.11 | 1.11 | 1.11 | ||
Methionine | 0.45 | 0.60 | 0.61 | 0.61 | 0.61 | ||
Phenylalanine | 1.49 | 1.13 | 0.87 | 0.87 | 0.87 | ||
Threonine | 2.32 | 0.79 | 0.60 | 0.60 | 0.60 | ||
Tryptophan | 0.47 | 0.29 | 0.22 | 0.22 | 0.22 | ||
Valine | 3.52 | 1.12 | 0.86 | 0.86 | 0.86 | ||
Fatty acid profile, % total fatty acids | |||||||
C14:0 | 1.10 | 0.10 | 0.14 | 0.14 | 0.19 | ||
C16:0 | 17.2 | 12.4 | 12.6 | 12.6 | 13.2 | ||
C16:1c9 | 3.90 | 0.09 | 0.95 | 0.98 | 1.15 | ||
C18:0 | 3.00 | 2.77 | 2.83 | 2.81 | 2.99 | ||
C18:1c9 | 11.7 | 21.6 | 22.1 | 22.6 | 23.2 | ||
C18:1c11 | 0.00 | 1.35 | 1.63 | 1.58 | 1.81 | ||
C18:2n-6 | 11.2 | 50.5 | 47.3 | 48.0 | 46.5 | ||
C18:3n-3 | 10.1 | 5.24 | 5.47 | 5.58 | 5.62 | ||
C20:0 | 0.20 | 0.33 | 0.32 | 0.33 | 0.33 | ||
C20:1c11 | 0.10 | 0.22 | 0.25 | 0.23 | 0.27 | ||
Diterpene profile, µg/g | |||||||
α-Tocopherol | 19.2 | 10.5 | 42.2 | 12.4 | 20.2 | ||
α-Tocotrienol | n.d.+ | 1.29 | 5.94 | 3.00 | 2.75 | ||
β-Tocopherol | 0.34 | 0.44 | 0.98 | 0.52 | 0.66 | ||
γ-Tocopherol + β-tocotrienol | 0.52 | 16.2 | 26.8 | 14.7 | 19.3 | ||
γ-Tocotrienol | 0.56 | 2.50 | 7.60 | 3.92 | 3.36 | ||
δ-Tocopherol | 0.36 | 2.00 | 4.44 | 2.79 | 2.90 | ||
Pigments, µg/g | |||||||
β-Carotene | 198 | n.d. | 83.6 | 37.3 | 45.1 | ||
Chlorophyll a1 | 906 | 0.67 | 307 | 339 | 200 | ||
Chlorophyll b2 | 171 | 0.90 | 96.3 | 104 | 40.0 | ||
Total chlorophylls3 | 1077 | 1.57 | 404 | 444 | 240 | ||
Total carotenoids4 | 228 | 3.61 | 102 | 108 | 47.7 | ||
Total chlorophylls + Carotenoids5 | 1305 | 5.17 | 505 | 552 | 288 |