Fig. 5

The conventional pathway of the DHA under three culture modes. These content values are dry weight contents of the long chain polyunsaturated fatty acids (LC-PUFAs) from Table 3. Red numbers (on the top) in content part denote the content in the autotrophy, blue numbers (in the medium) denote the content in the mixotrophy, and green numbers (at the bottom) denote the content in the heterotrophy. The abbreviations on the pathway are shown in the abbreviation list