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MODULE 2 > TANNINS > Flashcards

TANNINS Flashcards

1
Q

non-crystallizable hydrocolloid mixture of polyphenols

A

Tannins

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2
Q

acid puckering taste (astringent taste)

A

tannins

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3
Q

Alkaloidal antidote

A

tannins

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4
Q

groups of compounds that make s wood darker in color

A

tannins

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5
Q

produced Deep Red w/ Potassium Ferricyanide & Ammonia

A

tannins

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6
Q

other names of hydrolysable tannins

A

Pyrogallotannins

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7
Q

FeCl3 results of hydrolysable tannins

A

blue - black

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8
Q

Bromide test of hydrolysable tannins?

A

(-) negative

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9
Q

Non-hydrolyzable tannins is called as?

A

Phlobatanins
condensed

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10
Q

FeCl3 of non-hydrolysable tannins?

A

green - black

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11
Q

Leather type for non-hydrolysable tannins

A

tanner’s red

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12
Q

consist of gallic acid or related polyhydric
compounds esterified w/ glucose

A

hydrolysable tannins

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13
Q

ST. of Hamamelis

A

Hamamelis virginiana

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14
Q

A plant with tannins that is used for hemorrhoidal preparations, insect bites & stings, teething preparations

A

Hamamelis

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15
Q

hardened excrescence from the
young twigs of Quercus infetoria

A

Nutgall

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16
Q

is a mixture of esters of
gallic acid w/ glucose

A

tannic acid

17
Q

precipitate alkaloids

A

tannic acid

18
Q

Japanese & Chinese Galls

A

Rhus chinensis

19
Q

annin-rich plant used in medicine as Astringent.
-Pyrus mallus

20
Q

Obsolete ST. name of Apple?

A

Pyrus malus

MODULE 2 (5 decks)

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