สูตรคำนวณ
whereMCkf and MCg are the moisture content determined by KF method and gravimetric methods , respectively
results and discussion
chemical composition of sample used for the study
the chemical compositions of the sample from the three dry-grind fuel ethanol plants are presented in table2. Plant1 was an old generation plant, while plants 2 and 3 were newcggeneration plants built within the last 4 years the chemical compositions of ddgs sample from all three plants (crude protein, crude fat, crude fiber ,ash and total reducing sugars)was significantly different from one another. Ddgs from the new generation plants had higher crude protein contents than ddgs from the old generation plants the total reducing sugars were significantly higher in samples from plants 1 and 3 than samples from plants 2 in a recent study by the authors (24)the total reducing sugars were found to correlate with the amount of condensed distillers solubles (CDS)blended with wet distillers grains during drying to produce ddgs increased CDS levels increased the amount of total reducing sugars in ddgs