Lesson 7.10. Purine Bases (Xanthines)

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Last updated 9:01 AM on 5/23/26
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55 Terms

1
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pseudoalkaloids

Purine Bases/Xanthines are known as __________________________

2
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bronchodilatory and stimulant

PURINE BASES/XANTHINES

  • Methylxanthines are potent a.__________________________ molecules due to increased b.______ via c.______ inhibition.


a = ?


3
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cAMP

PURINE BASES/XANTHINES

  • Methylxanthines are potent a.__________________________ molecules due to increased b.______ via c.______ inhibition.


b = ?

4
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PDE

PURINE BASES/XANTHINES

  • Methylxanthines are potent a.__________________________ molecules due to increased b.______ via c.______ inhibition.


c = ?

5
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Murexide test

PURINE BASES/XANTHINES

  • Identification test


6
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Caffeine

PURINE BASES/XANTHINES

  1. central stimulant, diuretic, and content of several carbonated beverages

  2. widely used a bronchodilator in asthma

  3. preferred over caffeine in cases of cardiac edema and angina


1 = ?


7
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Theophylline

PURINE BASES/XANTHINES

  1. central stimulant, diuretic, and content of several carbonated beverages

  2. widely used a bronchodilator in asthma

  3. preferred over caffeine in cases of cardiac edema and angina


2 = ?

8
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Theobromine

PURINE BASES/XANTHINES

  1. central stimulant, diuretic, and content of several carbonated beverages

  2. widely used a bronchodilator in asthma

  3. preferred over caffeine in cases of cardiac edema and angina


3 = ?

9
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Coffea arabica

PURINE BASES/XANTHINES

Coffee

Scientific Name: ?

Family:

Constituents:

10
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Rubiaceae

PURINE BASES/XANTHINES

Coffee

Scientific Name:

Family: ?

Constituents:

11
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Caffeine

PURINE BASES/XANTHINES

Coffee

Scientific Name:

Family:

Constituents: ?

12
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caffeol

PURINE BASES/XANTHINES

Coffee

  • its aroma is due to _____________


13
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0.08%

PURINE BASES/XANTHINES

Coffee

  • Decaffeinized Coffee has only up to ______ caffeine


14
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Cacao

PURINE BASES/XANTHINES

Cocoa

Synonyms: ?

Scientific Name:

Family:

Constituents:

15
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Theobroma cacao

PURINE BASES/XANTHINES

Cocoa

Synonyms:

Scientific Name: ?

Family:

Constituents:

16
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Malvaceae

PURINE BASES/XANTHINES

Cocoa

Synonyms:

Scientific Name:

Family: ?

Constituents:

17
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Theobromine

PURINE BASES/XANTHINES

Cocoa

Synonyms:

Scientific Name:

Family:

Constituents: ?

18
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fruits

PURINE BASES/XANTHINES

Cocoa Process:

  1. ______ are opened

  2. seeds are allowed to ___________

  3. it is _________ cooled rapidly as possible

  4. The testa is removed by ____________


1 = ?


19
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ferment

PURINE BASES/XANTHINES

Cocoa Process:

  1. ______ are opened

  2. seeds are allowed to ___________

  3. it is _________ cooled rapidly as possible

  4. The testa is removed by ____________


2 = ?

20
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roasted

PURINE BASES/XANTHINES

Cocoa Process:

  1. ______ are opened

  2. seeds are allowed to ___________

  3. it is _________ cooled rapidly as possible

  4. The testa is removed by ____________


3 = ?

21
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nibbing

PURINE BASES/XANTHINES

Cocoa Process:

  1. ______ are opened

  2. seeds are allowed to ___________

  3. it is _________ cooled rapidly as possible

  4. The testa is removed by ____________


4 = ?

22
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kernels

PURINE BASES/XANTHINES

Cocoa

  1. contains 0.9-3% theobromine

  2. contains 0.2-3% of the alkaloids

  3. contain caffeine, though primarily fat or butter

  4. polyphenols that decomposed during processing


1 = ?

23
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husk

PURINE BASES/XANTHINES

Cocoa

  1. contains 0.9-3% theobromine

  2. contains 0.2-3% of the alkaloids

  3. contain caffeine, though primarily fat or butter

  4. polyphenols that decomposed during processing


2 = ?

24
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seeds

PURINE BASES/XANTHINES

Cocoa

  1. contains 0.9-3% theobromine

  2. contains 0.2-3% of the alkaloids

  3. contain caffeine, though primarily fat or butter

  4. polyphenols that decomposed during processing


3 = ?

25
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cocoa-red

PURINE BASES/XANTHINES

Cocoa

  1. contains 0.9-3% theobromine

  2. contains 0.2-3% of the alkaloids

  3. contain caffeine, though primarily fat or butter

  4. polyphenols that decomposed during processing


4 = ?

26
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Nutritive, stimulant and diuretic properties

PURINE BASES/XANTHINES

Cocoa

  • uses


27
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Thea sinensis or Camelia sinensis

PURINE BASES/XANTHINES

Tea

Scientific Name: ?

Family:

Constituents:

28
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Theaceae

PURINE BASES/XANTHINES

Tea

Scientific Name:

Family: ?

Constituents:

29
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Caffeine, Thease

PURINE BASES/XANTHINES

Tea

Scientific Name:

Family:

Constituents: ?

30
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Green Tea

PURINE BASES/XANTHINES

Tea

  1. harvested fresh, dried over milk heat in China and Japan

  2. harvested after fermentation, over rapid heat in India and Sri Lanka


1 = ?


31
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Black Tea

PURINE BASES/XANTHINES

Tea

  1. harvested fresh, dried over milk heat in China and Japan

  2. harvested after fermentation, over rapid heat in India and Sri Lanka


2 = ?

32
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Dried cotyledons of seeds

PURINE BASES/XANTHINES

Kola

Source: ?

Scientific Name:

a. crimson

b. red

c. white

Family:

Constituents:

33
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Cola acuminata

PURINE BASES/XANTHINES

Kola

Source:

Scientific Name:

a. crimson — ?

b. red

c. white

Family:

Constituents:

34
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Cola astrophora and Cola vera

PURINE BASES/XANTHINES

Kola

Source:

Scientific Name:

a. crimson

b. red — ?

c. white

Family:

Constituents:

35
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Cola alba

PURINE BASES/XANTHINES

Kola

Source:

Scientific Name:

a. crimson

b. red

c. white — ?

Family:

Constituents:

36
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Sterculiaceae

PURINE BASES/XANTHINES

Kola

Source:

Scientific Name:

a. crimson

b. red

c. white

Family: ?

Constituents:

37
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Caffeine

PURINE BASES/XANTHINES

Kola

Source:

Scientific Name:

a. crimson

b. red

c. white

Family:

Constituents: ?

38
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Paullinia cupana

PURINE BASES/XANTHINES

Guarana

Scientific Name: ?

Family:

Constituents:

39
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Sapindaceae

PURINE BASES/XANTHINES

Guarana

Scientific Name:

Family: ?

Constituents:

40
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2.5-7% caffeine and 12% guarana red

PURINE BASES/XANTHINES

Guarana

Scientific Name:

Family:

Constituents: ?

41
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twice

PURINE BASES/XANTHINES

Guarana

  1. its caffeine content is ___________ as much as the found in coffee seeds

  2. used as a __________________

  3. resembles ____________________ in its action


1 = ?


42
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stimulant and astringent

PURINE BASES/XANTHINES

Guarana

  1. its caffeine content is ___________ as much as the found in coffee seeds

  2. used as a __________________

  3. resembles ____________________ in its action


2 = ?

43
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tea and coffee

PURINE BASES/XANTHINES

Guarana

  1. its caffeine content is ___________ as much as the found in coffee seeds

  2. used as a __________________

  3. resembles ____________________ in its action


3 = ?

44
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Yerba mate

PURINE BASES/XANTHINES

Mate

Synonyms: ?

Scientific Name:

Family:

Constituents:

45
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Ilex paraguariensis

PURINE BASES/XANTHINES

Mate

Synonyms:

Scientific Name: ?

Family:

Constituents:

46
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Aquifoliaceae

PURINE BASES/XANTHINES

Mate

Synonyms:

Scientific Name:

Family: ?

Constituents:

47
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Caffeine

PURINE BASES/XANTHINES

Mate

Synonyms:

Scientific Name:

Family:

Constituents: ?

48
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Laxative, Purgative, Diaphoretic, and Diuretic

PURINE BASES/XANTHINES

Mate

Synonyms:

Scientific Name:

Family:

Constituents: ?

49
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South America

PURINE BASES/XANTHINES

Mate

  • widely used in __________________


50
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Symphythum officinalis

PURINE BASES/XANTHINES

Comfrey

Scientific Name: ?

Family:

Constituent:

51
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Boraginaceae

PURINE BASES/XANTHINES

Comfrey

Scientific Name:

Family: ?

Constituent:

52
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Allantoin

PURINE BASES/XANTHINES

Comfrey

Scientific Name:

Family:

Constituent: ?

53
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pulmonary and gastric

PURINE BASES/XANTHINES

Comfrey Uses

  1. For treatment of ______________________ conditions

  2. contain allantoin which stimulates a._______________________ and used for b.______________________________


1 = ?


54
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tissue regeneration

PURINE BASES/XANTHINES

Comfrey Uses

  1. For treatment of ______________________ conditions

  2. contain allantoin which stimulates a._______________________ and used for b.______________________________


2.a. = ?

55
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external injuries and gastric ulcers

PURINE BASES/XANTHINES

Comfrey Uses

  1. For treatment of ______________________ conditions

  2. contain allantoin which stimulates a._______________________ and used for b.______________________________


2.b. = ?