Table 4 Summary of variation of selected properties of selected extracts with extraction technique
From: Formulation of a fish feed for goldfish with natural astaxanthin extracted from shrimp waste
Solvent | Percentage crude yield (%) | Percentage astaxanthin yield (%) | AOC (µg PGE/mg) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M | Sn | Sx | M | Sn | Sx | M | Sn | Sx | |||||||
R | H | A | H | H | R | H | A | H | H | R | H | A | H | H | |
Acetone | 26 | 5 | 33 | 9 | – | 7 | 62 | 62 | 22 | – | 4 | 14 | 2 | 14 | – |
Acetone: EtOAc (1:1) | 8 | 3 | 11 | 8 | – | 4 | 68 | 68 | 62 | – | 5 | 14 | 10 | 12 | – |
EtOAc | 1 | 4 | 1 | 6 | 3 | 39 | 12 | 29 | 56 | 24 | 56 | 4 | 65 | 20 | 28 |
Hexane | – | 3 | – | 4 | 6 | – | 44 | – | 8 | 11 | – | 9 | – | 12 | 10 |
Methanol | – | 32 | – | 17 | 6 | – | 28 | – | 41 | 28 | – | 2 | – | 10 | 10 |