1) Appetisingness 2) Appetizingness 3) Palatableness 4) Pleasingness 5) Tastiness 1) Palatableness 2) Taste property 
Palatability is the hedonic reward provided by foods or fluids that are agreeable to the `palate` in regard to the homeostatic satisfaction of nutritional, water, or energy needs. The palatability of a food or fluid, unlike its flavor or taste, varies with the state of an individual: it is lower after consumption and higher when deprived. Palata.....
• (n.) Palatableness.
Acceptable to the taste or sufficiently agreeable in flavor to be eaten.
The sensation of taste on the palate of the mouth from pleasant-tasting or acceptable food. 
Pal`a·ta·bil'i·ty noun Palatableness. 
[n] - the property of being acceptable to the mouth
palatableness noun the property of being acceptable to the mouth
The relish with which a particular species or plant part is consumed by an animal.
The appeal and acceptability of feedstuffs. Affected by the taste, odour, texture and temperature of the feed.