Table 1.
Formulation of lamb burgers.
| Ingredients | Control | HXTs | HXTo | R |
|---|---|---|---|---|
| Lamb meat (g) | 2560 | 2560 | 2560 | 2560 |
| Water (mL) | 640 | 640 | 640 | 640 |
| Commercial mix® (g/kg) | 69 | |||
| Preservative extracts (ppm) | ||||
| • HXTS | 200 | |||
| • HXTO | 200 | |||
| • R | 200 |
Commercial mix®: spices, salt, dextrose, lactose, soy protein, emulsifiers (sodium phosphate E-451), preservative (sodium sulphite E-221), antioxidant (sodium ascorbate E-301 and sodium citrate E-331). HXTs: synthetic hydroxytyrosol (99% purity); HXTo: organic hydroxytyrosol (7% purity); R: rosemary (14.6% carnosic acid and 6% carnosol).