International Sugar Journal
The Blackboard

Co-Products in ISSCT: 2013 – 2019 [Full subscriber]

A previous Blackboard (Lionnet, 2019) looked at the major topics dealt with in 2013, 2016 and 2018 co-products ISSCT sessions. Data from the 2019 ISSCT Congress are now available; they […]

Read more …
The Blackboard

Origin of sugarcane: New ideas [Full subscriber]

During the 2017 South African Sugar Technologists Association congress Lloyd Evans and Joshi published two papers summarising their work on the origin of sugarcane. These authors used molecular taxonomy, the […]

Read more …
The Blackboard

Origin of Sugarcane: A short history [Full subscriber]

Tracing back the origins of plants is not an easy task and the findings can often be uncertain or changed as new evidence is obtained. Sugarcane is generally believed to […]

Read more …
The Blackboard

Glycaemic Index (GI) Values [Full subscriber]

A previous Blackboard described the concept and determination of GI. Here we look at the actual GI values obtained. A few points need to be specified. The information given applies […]

Read more …
The Blackboard

Climate: The good and the ugly [Full subscriber]

All members of the sugarcane industry make every effort to optimise performances. However, climate, an uncontrollable factor, can have a severely negative impact on these efforts. A quick literature search […]

Read more …
The Blackboard

Final bagasse [Full subscriber]

The accurate sampling of final bagasse (FB) is a difficult problem. No satisfactory continuous sampler has been devised and hand sampling is used. Generally, the analyses of FB samples are […]

Read more …
The Blackboard

Bagasse analysis: Early work [Full subscriber]

In 1948 Spencer & Meade noted that the analysis of bagasse “presents many difficulties not found with juice, sugar or molasses. Bagasse has much insoluble matter,  no homogeneity and evaporation […]

Read more …
The Blackboard

Sweet sorghum [Full subscriber]

Sweet sorghum was already of interest to the sugarcane industry in 1932. Breeders in North India used POJ 2725 for crosses with various cereals; hybrids were obtained only with sorghum. […]

Read more …
The Blackboard

Diffusion and factory operations [Full subscriber]

In 1967 three bagasse diffusers were commissioned in Southern Africa. Their performances had not been consistently good due to adjustments to gain experience with the new equipment. However extractions were […]

Read more …
The Blackboard

Diffusion: History [Full subscriber]

In 1962 JH Payne in Hawaii noted that diffusion was universal for processing sugar beets, whereas juice in sugar cane was expressed by pressure rolls. Hawaiian factories used batch diffusion, […]

Read more …