Table 2: Chemical extractions and various reactions parameters with % oil yields [11].
Method of Extraction and reference |
Temp. of reaction |
pH of reaction |
Reaction time (hours) |
Oil yield (%) |
n - hexane oil extraction (Soxhelt apparatus) by Gubitz, et al., Forson, et al. [4] |
- |
- |
24 |
95-99 |
1st Acetone, 2nd n-hexane by Augustus, et al. |
- |
- |
48 |
|
Aqueous Oil Extraction (AOE) by Winkler, et al. |
- |
- |
2 |
38 |
Shah, et al. |
50 |
9 |
6 |
38 |
AOE with 10 mins ultrasonication as pretreatment by Shah, et al. |
50 |
9 |
6 |
67 |
Aqueous Enzymatic Oil Extraction (AEOE) by Winkler, et al. (hemicellulase or cellulose) |
60 |
4.5 |
2 |
73 |
AEOE (alkaline protease) by Winkler, et al. |
60 |
7 |
2 |
86 |
Shah, et al. |
50 |
9 |
6 |
64 |
AEOE (alkaline protease) with 5 mins ultrasonic as pretreatment by Shah, et al. |
50 |
9 |
6 |
74 |
Three phase partitioning [19] |
25 |
9 |
2 |
97 |