Comment 42: l. 683-684: Food-grade oils are not aliphatic and aromatic hydrocarbons.
Figure 6 Bacterial EPSs are normally composed of repeating units. How can the authors ascertain that mannose does not come from mannans in yeast extract? A 2D COSY spectrum would be necessary to confirm the assignments made on the 1D: e.g., H2- Man is not normally found in the range 3.2-3.5 ppm (the statement ll. 495-496 is wrong). The abbreviation for glucose is Glc.