| Product | No Additive | Glycerol | L-Glutamate | ||||||
| Conv. | e.e. | R/S | Conv. | e.e. | R/S | Conv. | e.e. | R/S | |
| (%) | (%) | (%) | (%) | (%) | (%) | ||||
| 2a | 44 | >99 | S | 71 | >99 | S | 53 | >99 | S |
| 2b | 78 | 14 | S | 58 | 34 | S | 47 | 21 | R |
| 2c | >99 | 44 | S | 98 | 15 | S | 95 | 30 | R |
| 2d | >99 | 10 | S | >99 | 38 | S | >99 | >99 | S |
| 2e | 47 | 5 | S | 68 | 17 | S | 35 | 31 | R |
| 2f | >99 | 62 | R | >99 | 77 | R | >99 | 60 | R |
| 2g | 71 | 68 | S | 66 | 46 | S | 75 | 65 | S |
| 2h | 18 | 6 | R | 23 | 55 | R | 15 | 72 | R |
| 2i | 49 | 91 | R | 61 | 89 | R | 3 | 21 | R |