The allose is a kind of the monosaccharide classified into hexose and the aldose.

It is an epimer in 3rd place of the glucose.

In the allose and the psicose, the research is the advanced rare sugars.

The antioxidative effect of the allose is very strong.
The action that protects the neuron death caused by the Ischemia in the human body.
In addition, the action that controls cancer is known.

Naturally, it is isolated from the leaf of the shrub named Protea rubropilosa of the Proteaceae that grows naturally in Africa.

The aldose causes the isomerization in a solution, and becomes a compound with the ring-shaped structure.(mutarotation)
It is β-pyranose body that the　abundance ratio is the highest in the condition of equilibrium.