Research Article

Effects of a Novel Convection Heated Roasting Method on Aroma and Umami Taste Components of Vegetable- and Meat-Based Extracts

Table 4

Comparison of nucleotide (guanosine monophosphate and inosine monophosphate (GMP and IMP)) composition data of roasted and nonroasted meat raw materials.

Beef bone extractPork bone extractBeef brisket extractBeef tendon extract
Nonroasting (mg/100 g)Roasting (mg/100 g)Rate of increase (%)Nonroasting (mg/100 g)Roasting (mg/100 g)Rate of increase (%)Nonroasting (mg/100 g)Roasting (mg/100 g)Rate of increase (%)Nonroasting (mg/100 g)Roasting (mg/100 g)Rate of increase (%)

GMP0.013a0.0191490.0130.36527470.6301.2992060.0070.059794
IMP0.0010.0011000.0010.348460874.96410.7122160.0180.2611467
Total nucleotides0.0140.0201460.0140.71350765.59412.0112150.0250.3201270
Chicken feet extractChicken breast extract
Nonroasting (mg/100 g)Roasting (mg/100 g)Rate of increase (%)Nonroasting (mg/100 g)Roasting (mg/100 g)Rate of increase (%)
GMP0.0070.0212791.0431.102111
IMP0.0010.0011006.2566.906111
Total nucleotides0.0080.0222637.2998.008111

aThe values are mean ± S.D. of three replications.bND: not detected or low intensity under limit of detection.