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. 2017 Mar 27;54(6):1565–1576. doi: 10.1007/s13197-017-2588-6

Table 3.

Effect of different levels of SBTE on the sensory and microbiological quality parameters of raw ground pork during refrigerated aerobic storage (mean ± S.E.)

Treatments/days Day 1 Day 3 Day 5 Day 7 Day 9
Colour
Control 4.17 ± 0.01Ae 4.01 ± 0.05Ad 3.97 ± 0.01Ac 3.63 ± 0.01Ab 3.04 ± 0.01Aa
T-1 4.19 ± 0.02Be 4.16 ± 0.05Bd 4.05 ± 0.03Bc 3.94 ± 0.08Bb 3.53 ± 0.08Ba
T-2 4.33 ± 0.01BCe 4.25 ± 0.01Cd 4.11 ± 0.01BCc 4.01 ± 0.01Cb 3.84 ± 0.06Ca
T-3 4.34 ± 0.08Ce 4.30 ± 0.03Bd 4.14 ± 0.08Cc 4.09 ± 0.05Db 3.98 ± 0.04 Da
Odour
Control 4.05 ± 0.02Ae 3.81 ± 0.04Ad 3.75 ± 0.05Ac 2.47 ± 0.02Ab 2.06 ± 0.01Aa
T-1 4.11 ± 0.01Be 4.07 ± 0.05Bd 3.84 ± 0.04Bc 3.25 ± 0.01Bb 2.98 ± 0.05Ba
T-2 4.39 ± 0.01Cd 4.30 ± 0.03Ccd 4.26 ± 0.09Cc 4.08 ± 0.04Cb 3.08 ± 0.09Ca
T-3 4.73 ± 0.03Dd 4.68 ± 0.04Dcd 4.59 ± 0.04Dc 4.21 ± 0.05Db 3.91 ± 0.02 Da
Overall acceptability
Control 4.15 ± 0.03Ae 4.05 ± 0.01Ad 3.77 ± 0.04Ac 3.09 ± 0.04Ab 2.97 ± 0.04Aa
T-1 4.22 ± 0.01Be 4.17 ± 0.08Bd 4.00 ± 0.08Bc 3.46 ± 0.07Bb 3.30 ± 0.09Ba
T-2 4.39 ± 0.05Cd 4.28 ± 0.09Ccd 4.09 ± 0.07Bc 3.63 ± 0.06Cb 3.45 ± 0.07Ba
T-3 4.47 ± 0.05Dd 4.33 ± 0.01Ccd 4.27 ± 0.04Cc 3.97 ± 0.04Db 3.89 ± 0.04Ca
SPC (log 10 cfu/g)
Control 3.49 ± 0.12Ca 5.38 ± 0.09Cb 6.78 ± 0.07Cb 7.13 ± 0.20Cc 7.76 ± 0.12Cd
T-1 2.97 ± 0.22Ba 4.44 ± 0.21Bb 5.12 ± 0.15Cc 6.48 ± 0.13Bcd 6.73 ± 0.09Bd
T-2 2.51 ± 0.10Ba 3.86 ± 0.11Aa 4.39 ± 0.08Bb 5.77 ± 0.17Ab 6.07 ± 0.17Bc
T-3 2.26 ± 0.14Aa 3.44 ± 0.18Aab 4.86 ± 0.19Ab 5.34 ± 0.07Ac 5.67 ± 0.01Ac
Coliforms count (log 10 cfu/g)
Control 1.92 ± 0.04Ca 1.98 ± 0.03Ba 2.13 ± 0.01Bb 2.19 ± 0.02Cbc 2.95 ± 0.02Cd
T-1 1.83 ± 0.01Ba 1.91 ± 0.04Bab 1.98 ± 0.02Ab 2.08 ± 0.05Bc 2.26 ± 0.09Bd
T-2 1.82 ± 0.02Ba 1.89 ± 0.01Aa 1.97 ± 0.06Ab 2.01 ± 0.01Bbc 2.22 ± 0.05Bc
T-3 1.73 ± 0.05Aa 1.81 ± 0.02Aab 1.93 ± 0.01Ab 1.98 ± 0.02Ac 2.07 ± 0.02Ac
Psychrophilic count (log 10 cfu/g)
Control 2.37 ± 0.15Ba 3.83 ± 0.10Ba 4.17 ± 0.22Cb 6.13 ± 0.25Cc 6.59 ± 0.24Cd
T-1 2.03 ± 0.11Ba 2.77 ± 0.24Bab 3.86 ± 0.07Bb 4.21 ± 0.11Bc 5.68 ± 0.44Bc
T-2 1.24 ± 0.14Aa 1.97 ± 0.48Aa 2.81 ± 0.20Bb 3.18 ± 0.31Abc 4.26 ± 0.19Ac
T-3 1.07 ± 0.26Aa 1.83 ± 0.24Aab 2.21 ± 0.17Ab 3.07 ± 0.28Ac 4.12 ± 0.11Ac
Yeast and molds count (log 10 cfu/g)
Control ND ND 1.36 ± 0.02Ae 2.76 ± 0.02Ae 2.93 ± 0.01Be
T-1 ND ND ND ND 1.04 ± 0.01A
T-2 ND ND ND ND ND
T-3 ND ND ND ND ND

n = 6; Control: (without any phyto-extract); T-1 = 0.1% SBTE, T-2 = 0.2% SBTE; T-3 = 0.3% SBTE

* Mean ± S.E. with different superscripts row wise (small alphabets) and column wise (capital alphabets) differ significantly (p < 0.05)

ND Not detected. Sensory: 5-point descriptive scale; 1 as extremely undesirable to 5 as extremely desirable