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BioMed Research International
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2014
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Article
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Tab 1
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Research Article
Successive Nonstatistical and Statistical Approaches for the Improved Antibiotic Activity of Rare Actinomycete
Nonomuraea
sp. JAJ18
Table 1
Low and high levels of each variable used in Plackett-Burman design.
Variables
Medium components
+ values (g/L)
− values (g/L)
Starch
20
2.0
(NH
4
)
2
SO
4
4
0.4
Yeast extract
8
0.8
NaCl
10
1.0
MgSO
4
·7H
2
O
2
0.2
K
2
HPO
4
2
0.2
CaCO
3
4
0.4
FeSO
4
·7H
2
O
0.004
0.0004