Question

detemination of percentage of sugar juice in sugar cane

Answer 1

Crushing process must be done to extract juice. The crushing process must break up the hard nodes of the cane & flatten the stems. Collection of juice, filtration & sometimes treated & the boiling to drive off the excess water. The dried cane residue (bagasse) is often used as fuel for this process. The remaining liquid is allowed to set into a solid mass known as jaggery, gur, chancaca or panela.

The yield of juice, jaggery, and sugar depends majorly on the quality of the sugarcane and also on the efficiency of juice extraction.
According to statistics, high quality of 100 kg sugarcane yields almost 50 kg of sugarcane juice with 22% of sugar, and 10 kg of jaggery, whereas poor quality cane, yields 40 kg of juice with 17% sugar per 100 kg of cane and only 7 kg of jaggery.

Answer 2

Percentage of different sugar juices in sugarcane-
Sucrose-20 to 30 percent
Fructose and Glucose-15 to 25 percent