Review Article
A Review of Enzymatic Transesterification of Microalgal Oil-Based Biodiesel Using Supercritical Technology
Table 4
Summary of different microalgae divisions [
104,
113,
116].
| Division | Examples | Occurrence | Photosynthesis pigments | Reproduction |
| Diatoms | Coscinodiscus granii | | | | Tabellaria | | | | Amphipleura | (i) Oceans | (i) Chlorophylls a and c (ii) B-carotene | (i) Vegetative (binary fission or fragmentation) | Thalassiosira baltica | (ii) Freshwater | (ii) Asexual (akinete, exospores, endospores or homospores)(iii) Sexual (isogamous, anisogamous or oogamous) | Skeletonoma | (iii) Brackish water | Chaetoceros | | | | Cyclotella | | | | Chlorella sp. | | | |
|
Green algae | C. vulgaris | | | | C. protothecoides | | | | | (i) Oceans | | | S. obliquus | (ii) Freshwaters | () Chlorophylls a and b | (i) Vegetative (binary fission or fragmentation) | Haematococcus pluvialis | (iii) Moist | (ii) Asexual (akinete or exospores or endospores or homospores) | Nannochloris | (iv) Terrestrial habitats. | (iii) Sexual (isogamous, anisogamous or oogamous) | D. salina | | B. braunii | |
| | | | (i) Divided in to two groups | |
Blue-green algae | S. platensis | (i) Freshwater | (ii) Most species have chlorophyll a as only form of chlorophyll and phycobilins as pigments | (i) Vegetative (binary fission and fragmentation) | Synechococcus | (ii) Marine | (ii) Asexual (akinete or exospores or endospores and homospores) | Cyanidium | (iii) Terrestrial | Oscillatoria | (iv) Symbiotic | Anabaena cylindrical | (v) Associations |
(iii) Some have two forms of chlorophyll a and b and lack phycobilins | |
|
Golden algae | Isochrysis galbana | (i) Fresh water | (i) Chlorophylls a and b | (i) Asexual (zoospores or aplanospore, hypnospores) | Dinobryon balticum | (ii) Marine | (ii) Some have chlorophylls e carotene a and c | (ii) Sexual (isogamous or anisogamous or oogamous) | | Uroglena americana | (iii) Terrestrial | | |
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