Table 2 Am/Ap ratio, and Am or Ap content (%DW) of T. subcordiformis cultures with different amounts of NaHCO₃ addition under nitrogen-depletion (−N) cultivation modes (mean ± SD, n = 3)

0.41 ± 0.10^a

0.39 ± 0.01^a

0.46 ± 0.06^a

0.48 ± 0.09^a

0.44 ± 0.02^a

0.45 ± 0.01^b

0.48 ± 0.02^a

0.49 ± 0.01^a

0.46 ± 0.03^a

0.49 ± 0.01^c

0.58 ± 0.01^b

0.62 ± 0.01^b

0.46 ± 0.01^a

0.53 ± 0.02^d

0.63 ± 0.06^b

0.60 ± 0.04^b

9.6 ± 3.0^a

13.3 ± 1.5^a

15.8 ± 1.7^a

15.5 ± 2.9^a

14.1 ± 2.3^a

16.2 ± 1.4^ab

18.6 ± 1.4^ab

18.8 ± 1.6^ab

13.6 ± 2.1^a

19.1 ± 0.6^b

22.2 ± 1.1^b

22.9 ± 1.2^b

12.1 ± 3.9^a

12.9 ± 3.8^a

15.7 ± 5.1^a

17.8 ± 5.6^ab

23.4 ± 3.5^a

34.6 ± 4.6^b

35.0 ± 6.9^b

32.6 ± 3.0^ab

31.9 ± 4.2^a

36.2 ± 3.6^b

38.3 ± 2.0^b

38.5 ± 3.1^b

29.8 ± 4.5^a

39.0 ± 1.1^b

38.4 ± 1.5^b

37.2 ± 2.2^ab

26.4 ± 9.3^a

24.5 ± 8.2^a

24.6 ± 7.2^a

29.2 ± 7.7^a