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level: GLYCOSIDES 2

Questions and Answers List

level questions: GLYCOSIDES 2

Question	Answer
1 the aglycone part is a steroidal nucleus. 2 They are found in Examples: __ 3 The use of these glycosides	1 Steroidal glycosides or cardiac glycosides 2 Digitalis, Scilla, and Strophanthus. 3 treatment of heart diseases, such as congestive heart failure and arrhythmia;
1 cardiotonic glycoside, it is the most lipid-soluble of the cardiac glycosides used in therapeutics. 2 the most widely used of the cardiotonic, it is a highly potent drug and should be handled with exceptional care. 3 Cardiac glycosides are divided as __	1 Digitoxin 2 Digoxin (Short acting rapidly eliminated) 3 cardenolides and bufadienolides.
1 are more commonly used medicinally, primarily due to widespread availability of the plants digitalis 2 have been derived from the venom of the cane toad Bufo marinus (hence bufa)	1 Cardenolides 2 Bufadienolides
1 These glycosides have steviol as the aglycone part. 2 Two primary glycosides used as primary sweeteners	1 Steviol glycosides 2 stevioside and rebaudioside A
1 Steviol glycosides are sweet glycosides found in __ and have 40 to 300 times the sweetness of __	1 Stevia rebaudiana bertoni 2 Sucrose
1 As the name implies, these glycoside compounds contain sulfur 2 Examples:	1 Thioglycosides 2 sinigrin, found in black mustard sinalbin, found in white mustard.
1 Saponin have 2 types: 2 Steroidal saponins examples are __ 3 the aglycone used for commercial synthesis of progesterone, cortisone, and other sex hormones, oral contraceptives	1 Steroidal saponin & pentacyclic triterpenoid saponin 2 Diosgenin (from yam), Sarsapogenin (sarsaparilla). 3 Diosgenin