Table 3 Changes of TBARS (mg malondialdehyde/kg sample) in emulsified pork sausages manufactured with powder of Asparagus cochinchinensis (Lour.) Merr. (Asparigi radix) root extracts gamma-irradiated at designated doses during storage at 4℃ for 28 d

Sample	Storage period (d)
Sample	0	7	14	21	28
C	0.43±0.04	0.87±0.04^d	1.56±0.13^d	2.49±0.18^d	3.26±0.14^d
T-5	0.41±0.02	0.81±0.04^d	1.19±0.05^c	2.03±0.24^c	2.97±0.12^c
T-10	0.36±0.05	0.64±0.03^c	1.06±0.04^b	1.55±0.08^b	2.18±0.05^b
T-20	0.34±0.03	0.51±0.02^b	0.81±0.08^a	1.24±0.05^a	1.62±0.12^a
P	0.35±0.06	0.45±0.04^a	0.69±0.07^a	1.21±0.08^a	1.49±0.24^a

^a–d Different letters within the same column differ significantly (p<0.05).
C, Sample with Non-irradiated ARE; T-5, Sample with 5.0 kGy-irradiated ARE; T-10, Sample with 10.0 kGy-irradiated ARE; T-20, Sample with 20 kGy-irradiated ARE; P, Sodium ascorbate 0.02% only; ARE, Asparigi radix extract.