Research Article
Structural Characterization of Functional Ingredient Levan Synthesized by Bacillus siamensis Isolated from Traditional Fermented Food in Thailand
Table 1
Morphology and gram stain technique classification of the 9 bacterial isolates grown on solid agar medium containing 20% (
) of sucrose.
| Isolate code | Colony morphology | Cell type | Size | Shape | Opacity | Margin | Surface | Gram | Shape |
| B-1 | Large | Irregular | Opaque | Undulate | Rough | + | Bacilli | B-2 | Large | Irregular | Opaque | Undulate | Wrinkled | + | Bacilli | B-3 | Large | Irregular | Translucent | Undulate | Rough | + | Bacilli | B-4 | Large | Round | Translucent | Entire | Wrinkled | + | Bacilli | B-5 | Large | Round | Opaque | Entire | Wrinkled | + | Bacilli | B-6 | Large | Round | Transparent | Entire | Smooth | + | Bacilli | B-7 | Large | Round | Translucent | Entire | Smooth | + | Bacilli | B-8 | Large | Round | Translucent | Entire | Rough | + | Bacilli | B-9 | Small | Round | Translucent | Entire | Smooth | ā | Cocci |
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