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(2)-According to the nature of the simple sugar component of the
glycoside:

- Glucoside : The glycone is glucose .
- Galactoside : The glycone is galactose .
- Rhamnoside : The glycone is rhamnose .

(3)-According to the number of the monosaccharide units:

-Monosides: one monosaccharide.
-Biosides: two monosaccharides
-Triosides, Tetrosides, Pentosides,

(4)-According to the chemical group of the genin involved into the
glycosidic linkage:

-O-glycosides: (OH group) (alc., ald., phenol). Sugar-O-genin
-S-glycosides: (SH group) (Thiol group). Sugar-S-genin
-N-glycosides: (NH group) (Amino group). Sugar-N-genin
-C-glycosides: (CH group) (non-hydrolysable)

(5)- According to the correlation to the parent natural glycoside:

(6)-According to the chemical nature of the genin:

- Alcoholic and Phenolic glycosides : The aglycones are alcohols or
phenols

- Aldehydic glycosides : The aglycones are aldehydes.

- Cyanogenetic glycosides : The aglycones are nitriles or derivatives
of hydrocyanic acids.

-Anthracene or anthraquinone glycosides : The aglycones are

anthracene derivatives.  OH O   OH

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