Table 3.
Summary of the enzymatic modification of steviol glycosides using CGTases.
| Enzyme Source | Glycosyl Donor | Glycosyl Acceptor | pH | Temperature (°C) | Reaction Time | Reaction Type | Stev Conversion (%) | Reb A Conversion (%) | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Bacillus macerans INMIA-BIO-4 m, Bacillus circulans INMIA-BIO-5 m, Bacillus stearothermophilus INMIA-B-4006, Bacillus alcalophilus INMIA-VA-4229, Bacillus halophilus INMIA-BIO-12N | Cyclodextrin | Stev | 6.5–7.5 | 45, 32 | 20 h | Conventional | ND | ND | [30] |
| Bacillus sp. BL-12 β-CGTase | Maltodextrin | Stev | 8.5 | 40 | 12 h | Conventional | 76 | ND | [19] |
| Bacillus firmus β-CGTase | β-cyclodextrin | Stev | 1–11 | 10–80 | 1 min | Microwave reactor 80 W | 70 | ND | [5] |
| Thermoanaerobacter Toruzyme® 3.0 L CGTase | Cornstarch | Stev | 5–6 | 60 | 3 h | Conventional | 77.11 | ND | [23] |
| T. aerobacter Toruzyme® 3.0 L CGTase, Bacillus subtilis α-amylase | Cyclodextrins and starches | Stev | - | - | 5 h | Conventional | 80 | ND | [29] |
| Paenibacillus sp. CGMCC 5316 CGTase | Soluble starch | Stev | - | 37 | 24 h | Conventional | 85.6 | ND | [28] |
| T. aerobacter Toruzyme® 3.0 L CGTase | Gelatinized cornstarch | Stev | 6–8 | 60 | 3 min | Microwave reactor 50 W | 61.2 | ND | [24] |
| Trichoderma viridae cellulase Onozuka R-10 | Soluble starch, sucrose, lactose, glucose, β-cyclodextrin | Stevia leaf | 4.6 | 50 | 10 h | Conventional | ND | ND | [31] |
| Bacillus licheniformis DSM 13 CGTase | Sucrose | Plant extract | 3–9 | 14–45 | 16 h | Conventional | 70–80 | ND | [13] |
| A. oshimensis CGMCC 23164 CGTase-13 | Soluble starch | Steviol glycosides | - | 40 | 18 h | Conventional | 86.1 | 90.8 | This study |