The Scientific World Journal / 2013 / Article / Tab 1

Research Article

Characterization of a New Providencia sp. Strain X1 Producing Multiple Xylanases on Wheat Bran

Table 1

Screening test for selecting bacteria with high xylanase producing ability.

Isolate no.Observation of plate assayaXylanase activityb (IU/mL)
Clearance zone diameter (cm)Colony diameter (cm)Diameter ratio

X12.51.41.8
X21.31.31.0
X32.52.51.0
X42.41.31.8
X51.41.41.0
X62.32.11.1

Medium used: Berg’s mineral salts-xylan agar; growth conditions: pH 7.0, 35°C, 48 h.
bMedium used: Berg’s mineral salts-xylan broth; growth conditions: pH 8.0, 35°C, 48 h, 120 rpm.

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