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PHA6117 LEC - RESINS > Intro Part > Flashcards

Intro Part Flashcards

1
Q

T or F: resins Amorphous products with simple nature

A

F - complex nature

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2
Q

T or F: resins are Hard, transparent / translucent

A

T

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3
Q

Resins when heated?

A

soften and melt

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4
Q

Resins are oxidation products of? (2)

A

Terpenes, volatile oils

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5
Q

Resins are insoluble in?

A

Petroleum spirit

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6
Q

Resins dissolve more in or less completely in (3)

A

Alcohol, chloroform and ether

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7
Q

Resins are contained where?

A

schizogenous or lysigenous ducts (resin ducts)

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8
Q

T or F: resins can be found in other portions

A

T - (ex. resin cells of bloodroot, heartwood of guaiacum, external glands of cannabis, internal glands of male fern, or glands of lac insect)

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9
Q

T or F: Resin yield is usually decreased by injury

A

F - increased

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10
Q

Resin can be isolated by? (3)

A
  1. Use of alcohol
  2. Distillation
  3. Punctures
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11
Q

Way of isolation: Jalap or podophyllotoxin

A

use of alcohol

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12
Q

Way of isolation: copaiba and turpentine

A

Distillation

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13
Q

Way of isolation: mastic

A

Punctures

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14
Q

contain oxyacids, and form metallic salts known as resinates; used in soaps and varnishes

A

Resin acids

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15
Q

Classification: abietic acid in rosin, commiphoric acid in myrrh, and copaivic acid in copaiba

A

Resins acids

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16
Q

occur in free state and ester forms

A

Resins alcohols

17
Q

Classification: aloeresinotannol (aloe), peruresinotannol and toluresinotannol (balsams) siaresinotannol and sumaresinotannol (benzoins)]

A

Resins

18
Q

Classification of resin: neutral, do not form salts

A

Resenes

19
Q

Classification of resin: contain sugars

A

Glycoresins

20
Q

T or F: jalap is a type of resene

A

F - glycoresin

21
Q

Category which contains balsamic acids (major: benzoic and cinnamic acids)

A

Balsams

22
Q

Category that consists polyisoprenes

A

Latex

PHA6117 LEC - RESINS (7 decks)

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