From: Sweet proteins – Potential replacement for artificial low calorie sweeteners
Thaumatin | Monellin | Mabinlin | Pentadin | Brazzein | Curculin | Miraculin | |
---|---|---|---|---|---|---|---|
Source | Thaumatococcus danielli Benth | Dioscoreophyllum cumminsii Diels | Capparis masakai Levl | Pentadiplandra brazzeana Baillon | Pentadiplandra brazzeana Baillon | Curculingo latifolia | Richadella dulcifica |
Geographic distribution | West Africa | West Africa | China | West Africa | West Africa | Malaysia | West Africa |
Variants | I, II, a, b, ca | - | I, II- a, III, IVa | - | - | - | - |
Sweetness factor (weight basis) | 3000 | 3000 | 100 | 500 | 2000 | 550 | - |
Molecular mass (active form, kDa) | 22.2 | 10.7 | 12.4 | 12.0b | 6.5 | 24.9 | 98.4 |
Amino acids | 207 | 45 (A chain) 50 (B chain) | 33 (A chain) 72 (B chain) | ? | 54 | 114 | 191 |
Active form | Monomer | Dimer (A + B) | Dimer (A + B) | ? | Monomer | Dimer (A + A) | Tetramer (A+A+A+A) |