Natural antibacterial agents from arid-region pretreated lignocellulosic biomasses and extracts for the control of lactic acid bacteria in yeast fermentation

AMB Express

Table 3 Growth and inhibition in various biomass samples

Extracts	Growth
Extracts	LAB	Yeast	E. coli*	Yeast*
Date palm leaflets-PT 200 °C	+	+	+	+
Date palm leaflets -PT 200 °C in seawater	−	+	+	+
Date palm leaflets-PT 210 °C in seawater	−	+	+	+
Date palm rachis-PT 180 °C	−	+	+	+
Date palm rachis-PT 190 °C	−	+	+	+
Date palm rachis-PT 200 °C	−	+	+	+
Date palm rachis-PT 210 °C	−	−	+	+
Mangrove stem A.marin-PT 190 °C	−	−	+	+
Mangrove stem A.marina-PT 200 °C	−	+	+	+
Mangrove stem A.marina-PT 210 °C	−	+	+	+
Mangrove leaf A.marina-PT 190 °C	−	+	+	+
Mangrove leaf A.marina-PT 200 °C	−	−	+	+
Mangrove leaf A.marina-PT 210 °C	−	−	+	+
S.bigelovii-PT 118 °C	+	+	+	+
S.bigelovii-PT 160 °C	+	+	+	+
S.bigelovii - PT 202 °C	−	+	+	+
A.marina stem- WE	+	+	+	+
S.sinus persicus –WE	−	+	+	+
Halophyte stem S.iranshahari-WE	+	+	+	+
Halophyte leaf S.iranshahari-WE	+	+	+	+
Jasmine hedges-WE	+	+	+	+
Bermuda grass–WE	+	+	+	+
Positive control	+	+	+	+
Negative control	−	−	−	−

+ growth of microorganism; −denotes no growth; PT pretreated, WE water extract; E. coli* and yeast* are the genetically modified strains