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Table 1 MTT assay of UMR 106 cells

From: Chinese red yeast rice (Monascus purpureus-fermented rice) promotes bone formation

Concentration of RYR extract (g/ml)

Control

0.001

0.005

0.01

Optical density (0 hour) mean (SD)

0.196 (0.019)

-

-

-

Optical density (24 hours) mean (SD)

0.218 (0.052)

0.287 (0.018)

0.342 (0.033)

0.257 (0.040)

P-value*

 

0.021

< 0.001

NS

Optical density (48 hours) mean (SD)

0.177 (0.031)

0.282 (0.048)

0.293 (0.014)

0.306 (0.044)

P-value*

 

< 0.001

< 0.001

< 0.001

Optical density (72 hours) mean (SD)

0.360 (0.049)

0.421 (0.035)

0.360 (0.014)

0.372 (0.031)

P-value*

 

0.036

NS

NS

  1. * Unpaired t-tests with Bonferroni correction were performed to compare with the control of various RYR extract concentrations.
  2. Optical density: optical density of the purple formazan product at 570 nm
  3. NS: not statistically significant