Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Shikonin production in the presence of ammonium ions in a different medium (Yazaki et al., 1987).
| Sr. No. | Medium | NH4 + (μmol/g) | Growth increase of cell (grams of fresh weight or g fr. wt.) | Shikonin produced |
|---|---|---|---|---|
| 1. | LS | 4.75 | 5.1 | 0 |
| 2. | LS + Cu2+ | 9.49 | 5.5 | 0 |
| 3. | LS + Cu2+- NH4 + + NO3 − | 0.45 | 6.9 | 11.8 |
| 4. | LS (agar medium) | 11.93 | 5.5 | 28.8 |
| 5. | M9 | 0.33 | 2.1 | 149.5 |
