Carbohydrates are differentially partitioned in sweet versus grain sorghums. While the latter preferentially accumulate starch in the grain, the former primarily store large amounts of sucrose in the stem. Previous work determined that neither sucrose metabolizing enzymes nor changes in Sucrose transporter (SUT) gene expression accounted for the carbohydrate partitioning differences. Recently, ...

Although pathogens such as nematodes are known to hijack nutrients from host plants, the mechanisms whereby nematodes obtain sugars from plants remain largely unknown. To determine the effects of nematode infection on host plant sugar allocation, soluble sugar (fructose, glucose, sucrose) content was investigated using high-performance liquid chromatography with refractive index detection and w...

Cotton (Gossypium hirsutum) flower’s showy corolla expands rapidly, then senesces quickly. Efficient opening of corollas is important for selfand cross-pollination, and indirectly lint yield. Carbohydrate relations are integral to bud water relations and growth, although they are not well understood. Soluble sugars and starch in developing floral buds and flowers of field-grown cotton plants we...

When NCo376 was released in 1955, it had to compete with the popular NCo310. However, its superior sucrose yield (but lower sucrose content) and wider adaptation to different growing conditions in South Africa, ensured that it became the major variety by 1965. It maintained this status until one of its seedlings, N12, produced more cane than NCo376 in 1995. From 1970/71 until the 1985/86 millin...

Daily intermittent access to sugar solutions results in intense bouts of sugar intake (i.e. bingeing) in rats. Bingeing on sucrose, a disaccharide of glucose and fructose, has been associated with a "primed" mesolimbic dopamine (DA) pathway. Recent studies suggest glucose and fructose engage brain reward and energy-sensing mechanisms in opposing ways and may drive sucrose intake through unique ...

We used molecular dynamics simulations to determine the sucrose hydrogen bond network (HBN) in amorphous sucrose with 0–50% w/w water. We find that the onset of a percolated sugar HBN network (between 33% and 40%) coincides with the experimental observation of the decoupling of viscosity and probe diffusion for these mixtures. The analysis of the free volume (FV) in these mixtures shows a non-m...

In most studies, moisture sorption into amorphous foods is expressed as a change in the bulk moisture content, which does not provide detail on how a moisture front moves into the food. This study was targeted towards characterization of the moisture behavior in amorphous saccharide materials of different molecular weight (MW), glass transition temperature (Tg) and moisture content. Various sug...

Stillage or vinasse, which is a byproduct of ethanol production, is produced from the fermentation of molasses and is used as a source of potassium on cane fields at Simunye-Royal Swaziland Sugar Corporation. Due concern regarding its high salt content and Chemical Oxygen Demand (COD), a trial was established on an S set soil (Mayo form) to study the effect of increasing levels of concentrated ...

Photosynthetically derived sugar provides carbon skeletons for lipid biosynthesis. We used mutants of Arabidopsis (Arabidopsis thaliana) and the expression of oleogenic factors to investigate relationships among sugar availability, lipid synthesis, and the accumulation of triacylglycerol (TAG) in leaf tissue. The adg1 mutation disables the small subunit of ADP-glucose pyrophosphorylase, the fir...

The aim of the study is to be determine effect lactose hydrolysis and sugar content on physicochemical properties, sensory profile HMF (5-hydroxymethylfurfural) in Dulce de Leche (DL). Lactose free (lactose-hydrolysed) dairy products as well low have been developed supply consumer demand. Two different sucrose concentrations, 16% 20%, were used milk jam samples produced by traditional method. F...