Table 4.
Change in physiochemical proper ties and microbiological character istics of soy sauce and soybean paste sauce I added with extracts of pear by sugar during storage periods

Storage period (day)
0 30 60
pH Soy sauce 3.63±0.11) 3.67±0.0 3.70±0.1
Soybean paste sauce Ⅰ 3.81±0.0 3.85±0.1 3.90±0.0
Sweet (°Brix) Soy sauce 25.9±0.2 25.4±0.1 25.4±0.1
Soybean paste sauce Ⅰ 25.9±0.1b 26.7±0.0a 26.7±0.2a
Salinity (%) Soy sauce 0.9±0.0 1.1±0.0 1.1±0.0
Soybean paste sauce Ⅰ 0.9±0.0 0.9±0.0 0.9±0.0
TB2) Soy sauce ND3) ND ND
Soybean paste sauce Ⅰ ND ND ND
CF Soy sauce ND ND ND
Soybean paste sauce Ⅰ ND ND ND
All values are mean±SD. Different superscripts of a-b in a column means significantly different at p<0.05 level by Duncan’s multiple range test.
TB: total bacteria, CF: coliform bacteria.
ND: Not detected.