Table 6.

Technological and biochemical properties of L. plantarum strains

Technological and biochemical properties	S50	S51	S72	S74	S85
4 °C	–	–	–	*	–
15 °C	++	++	++	+	++
25 °C	+++	+++	+++	+++	+++
45 °C	+	+	+	*	+
pH 4.5	+	+	+	+	+
pH 5.0	+	+	+	+	+
pH 5.5	++	++	++	++	++
pH 6.0	+++	+++	+++	+++	+++
pH 6.5	+++	+++	+++	+++	+++
6.5% NaCl	++	++	++	++	++
10% NaCl	–	–	–	–	–
Nitrate reductase	–	–	+	–	+
Lysine decarboxylase	–	–	–	–	–
Ornithine decarboxylase	–	–	–	–	–
Arginine decarboxylase	–	–	–	–	–
Casein hydrolysis	–	–	–	–	–
Gelatin hydrolysis	–	–	–	–	–
Tributyrin hydrolysis	–	–	–	–	–
Acetoin production from glucose	+	–	+	+	+
D-Lactic Acid (g/L)	10. 54	6.47	5.70	6.73	8.97
L-Lactic Acid (g/L)	5.98	8.27	6.01	3.46	4.52

− not detected, * weak, + medium, ++ good, +++ very good