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Spectrophotometric determination of extracellular hydrocarbons from microcolonies of Botryococcus braunii var. Showa and Kawaguchi-1 (B-race).
| Strain | Density equilibrium method | Spectrophotometric method | ||
|---|---|---|---|---|
| Density of biomass, devoid of Btc, ρB, (g mL−1) | Btc, (% of dw) | Btc, (% of dw) | Carotenoid (% of dw) | |
| B. braunii var. Showa | 1.28 | 30 | 33 | 0.19 |
| B. braunii Kawaguchi-1 | 1.28 | 23 | 21 | 0.49 |
