As you look at the structural formula of Trehalose, look to the left side of it. Depending how it's drawn convert just that side to a Haworth projection to make it easier. Then turn that into a monosacharide.
A monosaccharide has a C=O or HC=O right? "can't be hydrolized to a simpler compound" but i like to think of easier terms. Cn H2n On is the basic formula.
once you have your haworth projection drawn take of the OH on Carbon number 1 to turn it to a monosaccharide. and draw it out in the Fischer projection.
Then pull out your handy dandy table (should be in your book) on the names of them. and if you match the picture correctly you should get GLUCOSE
now the second one. Repeat the steps.
now the second one is upside down which is a bit tricky, but you can see that it is also GLUCOSE
THE FINAL ANSWER: Trehalose conists of 2 glucose monosaccharide units.
A disaccharide results when two monosaccharides join together.
Mono = one Di = two That simple.
A disaccharide
The disaccharides Sucrose and Trehalose are both non-reducing sugars.
Monosaccharides are bonded together through the process of dehydration synthesis.
Maltose, Trehalose and Cellobiose are all formed solely from glucose molecules. Less common disaccharides of glucose include: Kojibiose, Nigerose, Isomaltose, β,β-Trehalose, α,β-Trehalose, Sophorose, Laminaribiose and Gentiobiose.
Trehalose (or mycose) is a disaccharide composed of two glucose residues. The glucose residues are linked by an α 1→4 glycosidic bond.
Two Monosaccharides
A disaccharide results when two monosaccharides join together.
Examples: maltose and trehalose.
Trehalose is a sugar which is found actually in cactus plants. It is this sugar which protects cactus from drying in deserts and retaining water as trehalose has a property of retaining water. This ingredient is used in cosmetics preparation for dry skin. Trehalose protects dry skin and retains moisture of the skin.
it has two glucose
glucose and
Mono = one Di = two That simple.
A disaccharide
Glucose and Fructose.
A disaccharide is composed of two monosaccharides attached by either an alpha or beta glcosidic bond.