F-Part 1 Flashcards

PPT 1 (Slide 1 - 24) + PPT 2 (Slide 5 - 6) (49 cards)

1
Q

__ ___ content of a drug is the residue, consisting chiefly of cellulose that remains undissolved after successive treatment with boiling acid and alkali.

A

Crude fiber

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2
Q

What is the crude fiber content of a drug considered as?

A

residue

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3
Q

A determination of crude fiber is used in evaluating the efficiency of _____
and separating ___ from the starchy endosperm.

A

milling, bran

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4
Q

What is crude fiber also useful for when it comes to fresh vegetables and fruits?

A

succulence

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5
Q

What kind of products have increased levels of crude fiber?

A

over mature products

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6
Q

What is the principle involved in cocoa?

A

gravimetric method of analysis

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7
Q

What will be the sample?

A

Cocoa powder

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8
Q

What is the scientific name and family of Cocoa?

A

Theobroma cacao, Sterculiaceae

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9
Q

What are the uses of cocoa?

A

emmenagogue, emollient, and nutritive

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10
Q

What is the crude fiber limit of cocoa?

A

7% of ether-insoluble residue

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11
Q

(1) The residue is collected on a ___, preferably in ___ ___, washed free of alkali, dried, and weighed accurately.

A

filter, Gooch crucible

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12
Q

(2) The fibrous matter should be incinerated cautiously at first and the at low red heat until the ___ is completely burned-off, as indicated by the formation of __ ___.

A

carbon, white ash

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13
Q

(3) The cellulose, etc. is burned when the fiber is incinerated, leaving the __ ____.

A

inorganic matter

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14
Q

Residues of official substances obtained such as water, alcohol, ether, acids and bases are also means of establishing ___ ___.

A

purity standards

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15
Q

The amount of ____is often an ____ ____ of the amount of certain soluble constituents or group of related constituents.

A

extractive, approximate measure

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16
Q

What are the four extractive methods in the determination of NVESE in cocoa?

A

volatile and non-volatile ESE
alcohol-soluble extractive
diluted alcohol extractive
water-soluble extractives and water insoluble residue

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17
Q

What does the volatile ether-soluble extractives represent?

A

volatile oil of the drug

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18
Q

What does the non-volatile ether-soluble extractives represent?

A

the active constituents associated

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19
Q

What are examples of volatile matter associated with NVESE?

A

fixed oils, resins, coloring matter

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20
Q

What are examples of NVESE?

A

capsicum, male fern, myristica, cocoa

21
Q

In a ___ ____ apparatus, the extraction is continued for 8 hours to ensure complete removal of the ether-soluble constituents from the powdered cocoa.

A

Soxhlet Extraction

22
Q

___ ___ is used because it does not contain small, variable quantities of water therefore does not dissolve some tannin, sugar, etc.

A

Absolute Ether

23
Q

At what temperature does ether boil?

24
Q

Cocoa must yield ____ __ __ ___ and ___ ___ __ ___ of NVESE

A

not less than 10% and not more than 22% of NVESE

25
At 105 degree celsius, what is left?
the residue/NVESE
26
___ ___ is defined as the number of mg of KOH necessary to neutralize the free acids of 1g of oil, fat, wax, resin, balsam, or similar organic substance of complex composition.
Acid Value/Acid Number/Acidity Index
27
___ ___ refers to the number of mg of KOH required to neutralize the free acids and saponify the esters contained in 1g of fat, fatty or volatile oil, wax, resin, balsam or other substance of similar composition.
Saponification Value/Saponification Number/Koettsdorfer Number
28
What is the measurement of Acid Value?
amount of acidity
29
What is the measurement of Saponification Value?
amount of ester linkage
30
What is the method used for finding the acid value?
Direct titration with KOH
31
What is the method used for finding the saponification value?
Back titration with KOH
32
___ ___ is the number of mg of KOH required to saponify the esters in 1g of a fatty or volatile oil, fat, wax, balsam, resin, or similar substance.
Ester Value/Ester Number
33
What is the scientific and family name of pepermint?
Mentha x piperita, Lamiaceae
34
If the name peppermint is from the species named piperita, what does it mean?
peppery
35
Peppermint yields ___ ___ ___ ___ ___, calculated as menthyl acetate and ___ ___ __ ___ of total menthol, free and as esters.
not less than 5.0% esters, not less than 50% of total menthol
36
What are the three esters found in volatile oils?
Linolol, Menthol, Santalol
37
___ ____ is the number of g of Iodine absorbed under specific conditions by 100g of oil, fat, wax, or other substances.
Iodine Value/Iodine Number
38
The degree of iodine value indicates that the content of unsaturated triglyceride in certain ___ ___.
fatty acid
39
Iodine value is applied for the ____ and ___ of oils.
characterization and identification
40
IV is also used to detect the ____ of admixtures and detect _____.
purity, adulteration
41
What is the purpose of blank test determination?
corrects for the presence of impurities in the reagent + changes in volume at different temperatures
42
___ ___ ____ makes it unnecessary to know the normality of the iodochloride test solution.
Blank Test Determination
43
What are examples of those in the category drying that has an IV of above 120?
linseed oil, fish oils, and cod-liver oil
44
What are examples of those in the category non-drying that has an IV of below 100?
cottonseed oil and sesame oil
45
Peppermint was created by crossbreeding ____ and ____
watermint (mentha aquatica), spearmint (mentha spicata)
46
How are hybrids identified in the scientific name?
by the X
47
What are the oil properties of peppermint?
fresh, sharp, menthol smell clear to pale yellow watery in viscosity
48
What is the main constituent of peppermint oil?
menthol
49
___ is an organic compound that produces a cooling sensation when applied to mouth or skin.
menthol