Table 2

Physicochemical properties of the sorghum malt-based probiotic beverage in glass, PET and HDPE packaging during refrigerated storage

ParameterTimesGlassPETHDPE
D.O (mg/L)1st day1.30 ± 0.14Aa1.65 ± 0.07Aa1.75 ± 0.21Aa
14th day2.10 ± 0.07Ba2.90 ± 0.17Bb3.00 ± 0.10Bb
28th day2.40 ± 0.06Ba3.00 ± 0.00Bb2.99 ± 0.00Bb
pH1st day3.75 ± 0.00Ba3.75 ± 0.00Ba3.71 ± 0.00Ba
14th day3.54 ± 0.00Aa3.52 ± 0.00Aa3.40 ± 0.00Aa
28th day3.51 ± 0.00Aa3.45 ± 0.00Aa3.50 ± 0.00Aa
TSS (°Brix)1st day10.13 ± 0.10Aa10.13 ± 0.10Aa10.07 ± 0.10Aa
14th day10.07 ± 0.10Aa9.50 ± 0.10Aa9.93 ± 0.10Aa
28th day10.17 ± 0.10Aa10.13 ± 0.10Aa10.17 ± 0.10Aa
Acidity (% of lactic acid)1st day0.38 ± 0.00Aa0.38 ± 0.40Aa0.37 ± 0.00Aa
14th day0.41 ± 0.00Aa0.42 ± 0.00Aa0.42 ± 0.00Aa
28th day0.40 ± 0.00Aa0.43 ± 0.00Aa0.42 ± 0.00Aa
L*1st day34.89 ± 0.05Aa34.88 ± 0.28Aa35.10 ± 0.08Aa
14th day35.63 ± 0.03Aa34.77 ± 0.03Aa33.94 ± 0.10Aa
28th day35.35 ± 0.02Aa35.63 ± 0.05Aa35.45 ± 0.03Aa
a*1st day2.09 ± 0.03Aa2.50 ± 0.03Aa2.25 ± 0.06Aa
14th day5.11 ± 0.04Ba4.87 ± 0.01Ba5.10 ± 0.01Ba
28th day5.09 ± 0.05Ba5.28 ± 0.03Ba5.05 ± 0.03Ba
b*1st day3.04 ± 0.12Ba3.51 ± 0.04Ba3.32 ± 0.19Ba
14th day1.12 ± 0.05Aa1.02 ± 0.01Aa1.35 ± 0.05Aa
28th day1.04 ± 0.03Aa1.12 ± 0.06Aa1.01 ± 0.04Aa
ParameterTimesGlassPETHDPE
D.O (mg/L)1st day1.30 ± 0.14Aa1.65 ± 0.07Aa1.75 ± 0.21Aa
14th day2.10 ± 0.07Ba2.90 ± 0.17Bb3.00 ± 0.10Bb
28th day2.40 ± 0.06Ba3.00 ± 0.00Bb2.99 ± 0.00Bb
pH1st day3.75 ± 0.00Ba3.75 ± 0.00Ba3.71 ± 0.00Ba
14th day3.54 ± 0.00Aa3.52 ± 0.00Aa3.40 ± 0.00Aa
28th day3.51 ± 0.00Aa3.45 ± 0.00Aa3.50 ± 0.00Aa
TSS (°Brix)1st day10.13 ± 0.10Aa10.13 ± 0.10Aa10.07 ± 0.10Aa
14th day10.07 ± 0.10Aa9.50 ± 0.10Aa9.93 ± 0.10Aa
28th day10.17 ± 0.10Aa10.13 ± 0.10Aa10.17 ± 0.10Aa
Acidity (% of lactic acid)1st day0.38 ± 0.00Aa0.38 ± 0.40Aa0.37 ± 0.00Aa
14th day0.41 ± 0.00Aa0.42 ± 0.00Aa0.42 ± 0.00Aa
28th day0.40 ± 0.00Aa0.43 ± 0.00Aa0.42 ± 0.00Aa
L*1st day34.89 ± 0.05Aa34.88 ± 0.28Aa35.10 ± 0.08Aa
14th day35.63 ± 0.03Aa34.77 ± 0.03Aa33.94 ± 0.10Aa
28th day35.35 ± 0.02Aa35.63 ± 0.05Aa35.45 ± 0.03Aa
a*1st day2.09 ± 0.03Aa2.50 ± 0.03Aa2.25 ± 0.06Aa
14th day5.11 ± 0.04Ba4.87 ± 0.01Ba5.10 ± 0.01Ba
28th day5.09 ± 0.05Ba5.28 ± 0.03Ba5.05 ± 0.03Ba
b*1st day3.04 ± 0.12Ba3.51 ± 0.04Ba3.32 ± 0.19Ba
14th day1.12 ± 0.05Aa1.02 ± 0.01Aa1.35 ± 0.05Aa
28th day1.04 ± 0.03Aa1.12 ± 0.06Aa1.01 ± 0.04Aa

Means ± standard deviation followed by different uppercase letters in a column indicate significant differences between storage times for the same parameter (P < 0.05). Means ± standard deviation followed by different lowercase letters in a row indicate significant differences between formulations for the same storage time (P < 0.05).

DO, dissolved oxygen index; TSS, total soluble solids.

Table 2

Physicochemical properties of the sorghum malt-based probiotic beverage in glass, PET and HDPE packaging during refrigerated storage

ParameterTimesGlassPETHDPE
D.O (mg/L)1st day1.30 ± 0.14Aa1.65 ± 0.07Aa1.75 ± 0.21Aa
14th day2.10 ± 0.07Ba2.90 ± 0.17Bb3.00 ± 0.10Bb
28th day2.40 ± 0.06Ba3.00 ± 0.00Bb2.99 ± 0.00Bb
pH1st day3.75 ± 0.00Ba3.75 ± 0.00Ba3.71 ± 0.00Ba
14th day3.54 ± 0.00Aa3.52 ± 0.00Aa3.40 ± 0.00Aa
28th day3.51 ± 0.00Aa3.45 ± 0.00Aa3.50 ± 0.00Aa
TSS (°Brix)1st day10.13 ± 0.10Aa10.13 ± 0.10Aa10.07 ± 0.10Aa
14th day10.07 ± 0.10Aa9.50 ± 0.10Aa9.93 ± 0.10Aa
28th day10.17 ± 0.10Aa10.13 ± 0.10Aa10.17 ± 0.10Aa
Acidity (% of lactic acid)1st day0.38 ± 0.00Aa0.38 ± 0.40Aa0.37 ± 0.00Aa
14th day0.41 ± 0.00Aa0.42 ± 0.00Aa0.42 ± 0.00Aa
28th day0.40 ± 0.00Aa0.43 ± 0.00Aa0.42 ± 0.00Aa
L*1st day34.89 ± 0.05Aa34.88 ± 0.28Aa35.10 ± 0.08Aa
14th day35.63 ± 0.03Aa34.77 ± 0.03Aa33.94 ± 0.10Aa
28th day35.35 ± 0.02Aa35.63 ± 0.05Aa35.45 ± 0.03Aa
a*1st day2.09 ± 0.03Aa2.50 ± 0.03Aa2.25 ± 0.06Aa
14th day5.11 ± 0.04Ba4.87 ± 0.01Ba5.10 ± 0.01Ba
28th day5.09 ± 0.05Ba5.28 ± 0.03Ba5.05 ± 0.03Ba
b*1st day3.04 ± 0.12Ba3.51 ± 0.04Ba3.32 ± 0.19Ba
14th day1.12 ± 0.05Aa1.02 ± 0.01Aa1.35 ± 0.05Aa
28th day1.04 ± 0.03Aa1.12 ± 0.06Aa1.01 ± 0.04Aa
ParameterTimesGlassPETHDPE
D.O (mg/L)1st day1.30 ± 0.14Aa1.65 ± 0.07Aa1.75 ± 0.21Aa
14th day2.10 ± 0.07Ba2.90 ± 0.17Bb3.00 ± 0.10Bb
28th day2.40 ± 0.06Ba3.00 ± 0.00Bb2.99 ± 0.00Bb
pH1st day3.75 ± 0.00Ba3.75 ± 0.00Ba3.71 ± 0.00Ba
14th day3.54 ± 0.00Aa3.52 ± 0.00Aa3.40 ± 0.00Aa
28th day3.51 ± 0.00Aa3.45 ± 0.00Aa3.50 ± 0.00Aa
TSS (°Brix)1st day10.13 ± 0.10Aa10.13 ± 0.10Aa10.07 ± 0.10Aa
14th day10.07 ± 0.10Aa9.50 ± 0.10Aa9.93 ± 0.10Aa
28th day10.17 ± 0.10Aa10.13 ± 0.10Aa10.17 ± 0.10Aa
Acidity (% of lactic acid)1st day0.38 ± 0.00Aa0.38 ± 0.40Aa0.37 ± 0.00Aa
14th day0.41 ± 0.00Aa0.42 ± 0.00Aa0.42 ± 0.00Aa
28th day0.40 ± 0.00Aa0.43 ± 0.00Aa0.42 ± 0.00Aa
L*1st day34.89 ± 0.05Aa34.88 ± 0.28Aa35.10 ± 0.08Aa
14th day35.63 ± 0.03Aa34.77 ± 0.03Aa33.94 ± 0.10Aa
28th day35.35 ± 0.02Aa35.63 ± 0.05Aa35.45 ± 0.03Aa
a*1st day2.09 ± 0.03Aa2.50 ± 0.03Aa2.25 ± 0.06Aa
14th day5.11 ± 0.04Ba4.87 ± 0.01Ba5.10 ± 0.01Ba
28th day5.09 ± 0.05Ba5.28 ± 0.03Ba5.05 ± 0.03Ba
b*1st day3.04 ± 0.12Ba3.51 ± 0.04Ba3.32 ± 0.19Ba
14th day1.12 ± 0.05Aa1.02 ± 0.01Aa1.35 ± 0.05Aa
28th day1.04 ± 0.03Aa1.12 ± 0.06Aa1.01 ± 0.04Aa

Means ± standard deviation followed by different uppercase letters in a column indicate significant differences between storage times for the same parameter (P < 0.05). Means ± standard deviation followed by different lowercase letters in a row indicate significant differences between formulations for the same storage time (P < 0.05).

DO, dissolved oxygen index; TSS, total soluble solids.

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