384 ' SORGHUM. 



press all the juice. We often hear of bagasse as coming from the mill 

 "perfectly dry," but the juice obtained from these canes was much 

 greater in amount (57.61 per cent) than is usually obtained in prac- 

 tice, still the average amount of Avater remaining in tlie bagasse Avas 

 56. 2G per cent; and, if to this we add the alcohol and water extracts 

 of the bagasse, which would naturally constitute the juice, we should 

 have (20.75+1. 48)X. 4576=10.17 + 56.26=66.43 percent of juice 

 still remaining in the bagasses; that is, 64.41 per cent of the weight 

 of the bagasse as it came from the mill. 



Surprising as this may appear to those who have not considered it, 

 there can be no doubt but that the above is even short of the truth. 



The average amount of juice obtained was 57.61 per cent, and the 

 total sugars in the juices averaged 14.21 per cent, or 8.19 per cent of 

 the weight of stripped cane. The average of the dry bagasses gave 

 13.78 per cent of total sugars, or 6.31 per cent of total sugars in the 

 fresh bagasses ; therefore, the bagasses, as they came from the mill, 

 contained 77.05 per cent as much sugar as was expressed by the mill 

 from the fresh canes. 



Since there Avas 6.31 per cent of total sugars in the fresh bagasses, it 

 follows that the amount of sugars in the bagasse equaled 2.67 per cent 

 of the weight of the stripped cane ; also, as the total sugars in the ex- 

 pressed juice was 14.21 per cent, the amount of sugars in the juices 

 equaled 8.19 per cent of the weight of the 'stripped cane, and there- 

 fore the total sugars in the stripped cane was equal to 10.86 per cent 

 of tlie Aveight of the cane, and there Avas lost in the bagasse 24.62 per 

 cent of the total sugars present in the cane. 



That this estimate falls short of the truth is obvious Avhen aa^c con- 

 sider that the juices Avere analyzed the day they Avere expressed, Avhile 

 the bagasses in drying had lost much of their sugar through fermenta- 

 tion, as Avas seen to be true in the analyses of the fresh juices as com- 

 pared Avith the analyses of the same juices Avheu dried. 



As the Avater contained in the plant is for more than sufficient to 

 hold in solution all the sugars present, there appears no good reason to 

 doubt that the juice left in the bagasse is identical in its composition 

 Avith that expressed ; but, if we examine the average results of the analy- 

 ses of juices and bagasses in the table, Ave find that the per cent of su- 

 crose in the total sugars of the juices Avas 90.92, Avhile in the bagasses 

 it Avas 72.13. In certain of the analyses, Ave find a discrepancy 

 still greater; for example, the analysis of the juice and bagasse of 

 Link's Hybrid gives us in the juice 95.39 percent of sucrose and 4.61 

 per cent of glucose in the total sugars, Avhile the analysis of the bagasse 



