Expected Yields of Total RNA from mammalian cells following purification with Trizol Reagent

|| '''Tissue''' || '''Yield / mg''' ||
|| Liver or Spleen || 6-10 ug ||
|| Kidney ||3-4 ug ||
|| Skeletal muscle or Brain || 1-1.5 ug ||
|| placenta || 1-4 ug ||

From Cells, the following yields are expected:

|| '''Cell Type''' || '''Yield / 10e6 cells''' ||
|| epithelial || 8-15 ug ||
|| fibroblast || 5-7 ug ||
|| flow sorted || 4-20 ug ||

Numbers I've come across from various sources.