Chemical Identification and Functions of Aglycone and Glycosides Quiz

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Glycosides are molecules wherein a carbohydrate is attached to a non-carbohydrate element by means of its ______ carbon.

anomeric

The sugar component in glycosides is known as the ______.

glycone

The non-sugar component in glycosides is known as the ______ or ______.

aglycone, genin

Cardiac glycosides are primarily sourced from ______ medicinal plants.

Philippine

Cardiac glycosides have a mechanism of action based on their ______ portion.

aglycone

Glycosides are easily hydrolyzed by mineral acids, water, and enzymes. They show optical activity and are normally __________.

levorotatory

Plants store dormant glycosides that are activated by enzymatic hydrolysis, resulting in the detachment of the ________ portion.

sugar

Glycosides in plants play a role in biological cycles, regulatory, protective, and sanitary aspects. They provide pigmentation and help filter ________ rays.

UV

The non-sugar portion of glycosides generally holds the ________ activity.

therapeutic

Cardioactive glycosides from animals and humans exert therapeutically significant effects such as cardiotonic, purgative, analgesic, anti-arrhythmic, and demulcent. They enhance the ________ and bioavailability of the non-sugar portion.

absorption

Glycosides are formed by the interaction of nucleotide glycosides and contain an ________ that is insoluble in nonpolar solvents like C6H6.

aglycone

The aglycone of cardioactive glycosides can be classified into different types such as steroid, anthraquinone, saponin, cyanophoric, isothiocyanate, flavonol, alcohol, lactone, aldehyde, and __________.

phenol

__________ are examples of aglycone types in cardioactive glycosides.

Steroids occurring as glycosides

The tests for unsaturated steroidal aglycone include Liebermann-burchard, Salkowski, and __________ tests.

2-deoxy sugar glycone

Digitalis is sourced from the dried leaf of __________.

Digitalis purpurea

Two important glycosidic components found in Digitalis lanata are Digitoxin and __________.

Digoxin

__________ is made up of 3 molecules of digitoxose and 1 molecule of digoxigenin.

Digitoxin

Test your knowledge on the chemical identification and functions of aglycone and glycosides. Learn about their solubility, hydrolysis, optical activity, and reduction properties. Explore how plants store dormant glycosides and activate them through enzymatic hydrolysis.

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