Manufacturing (SAS 5)

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Solubilisation

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Tags and Description

SAS 5

84 Terms

1

Solubilisation

the spontaneous passage of poorly water soluble solute into an aqueous solution of a soap or detergent, in which a thermodynamically stable solution is formed

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2

Hydrotrophy

the increase in solubility in water of various substances due to the presence of large amount of additives

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3

Preservatives

substances which prevent bacterial and fungal growth in liquid

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4

Acidic preservative

examples are alkyl esters of p-hydroxyl benzoic acid, benzoic acid, and its salts. In external use, boric acid and phenols are used

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5

Neutral preservative

examples are chlorobutanol, benzyl alcohol, and phenylethyl alcohol

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6

Mercurial preservative

examples are themerosal, phenyl mercuric acetate or Nitrate

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7

Quaternary ammonium compounds

examples are benzalkonium chloride and cetyl pyridinium chloride

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8

Sucrose

can be obtained in highly purified form

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9

Liquid glucose

an extremely viscous substance which imparts both body and sweetness to liquid formulations

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10

Artificial sweetening agent

produce the desired sweetness at much lower concentration than sucrose

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11

Filtration

a unit operation in which a mixture of liquid and solids, slurry or feed is forced through a porous medium

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12

Filter cloth

woven from synthetic fiber, natural fiber, or metal

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13

Filter cloth

used to strain simple syrup or syrup preparations

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14

Nylon

often superior for pharmaceutical use since it is unaffected by molds, fungus or bacteria

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15

Felt

a fibrous mass free from bonding agents

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16

Bonded fabric

made by binding textile fabrics with resins

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17

Kraft paper

offers controlled porosity, limited absorption capacity, and a low cost

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18

Membrane filter media

the basic tools for microfiltration and are used particularly in preparation of sterile solutions

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19

Filter aids

acts by forming a highly porous and non-compressible cake which retains solids

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20

Gravimetric

limited to very large containers or to highly viscous products

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21

Volumetric

accomplished by pumping of a liquid at a constant pressure

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22

Constant level

uses the container as the means of controlling the fill amount of each unit

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23

Trademark

any work, name, symbol of device placed on his goods to distinguish them from others

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24

Hydrophilic substance

are easily wet by water or other polar liquids and may also greatly increase the viscosity of aqueous suspension

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25

Hydrophobic substance

repels water but can easily be wet by non-polar liquids and do not alter the viscosity of aqueous suspension

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26

Deflocculated system

the dispersing agent used should lower interfacial tension

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27

Spray drying method

produces finely divided particles by spraying mist of the liquid through a heated chamber

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28

Coalescence

the rapid formation of aggregates of emulsion droplets

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29

Flocculation

the result of the interaction of relatively weak particle which may have sufficient emulsifier coverage

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30

Creaming

the separation of emulsified droplets from the continuous phase

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31

HLB

the percentage weight of the hydrophilic group divided by 5 for non-ionic emulsifiers

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32

Defoaming agents

act by displacing the surface film with a film that resists foaming

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33

Tablet

provide the greatest ease of swallowing with the least tendency for hang up above the stomach

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34

Compressed tablet

a solid dosage form containing medicinal substance with or without suitable diluents prepared by various molding technique or by fusion

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35

Chewable tablets

recommended to speed up disintegration by breaking up starting from the mouth and for those who have difficulty in swallowing

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36

Sublingual tablets

those which contain drugs to be absorbed through the oral mucosa

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37

Sublingual Tablets

placed beneath the tongue

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38

Buccal

placed at the side of the cheek or between the lip gum

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39

Implantation tablets

consist of small tablets of compressed drug without excipients and are inserted into the body tissues by surgical procedure

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40

Special oral tablets

multi-layered tablets which are made by the compression of several different granulations fed into a die in a succession

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41

Effervescent Tablets

those that are employed to produce CO2 by chemical reaction of the component upon the addition of water

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42

Wet fusion

the granules are tableted while still damp and citric acid acts as a lubricant

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43

Heat fusion or Dry method

is done by blending all components with the inclusion of 15-25% citric acid monohydrate

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44

Soluble Tablets

prepared by mixing the powders and then moistened with an alcohol-aqueous solution

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45

Specially Coated Beads/Granules of Microencapsulated Drug

the coating consists of a mixture of acute and the drug substance coaled unto small inert beads made up of a combination of sugar and starch

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46

Embedded Drug in Inert Plastic Matrix

the drug is granulated with an inert plastic material and the granulation is compressed into tablets

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47

Hopper

for storing the material for compression

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48

Feed frame

for distributing material into the dies

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49

Dies

for controlling size and shape of tablets

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50

Punches

for compacting the material within the dies

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51

Cams

for guiding and punches

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52

Fluidity

necessary for the transport of the material through the hopper into the feed frame

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53

Compressibility

the property of forming a stable compact mass when pressure is applied

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54

Lactose, USP

most often used diluent because it is inexpensive, stable, does not react with most medicinal substances, and has rapid solubility in the water

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55

Starch

from wheat, corn, rice, and potato used as bulking agents, as binders and disintegrants

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56

Sucrose

sometimes added to provide additional sweeteners but its main use is as a binder due to its cohesive property

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57

Mannitol

a sugar obtained in a powder or granular form with no bound water and is used in chewable tablets

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58

Avicel

the trade name for microcrystalline

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59

Celutab

the trade name for hydrolyzed starch with dextrose

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60

Binders or Adhesives

substances that glue powders together and cause them to form granules

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61

Disintegrants

added to compressed tablets to cause them to break apart or disintegrate when placed in an aqueous medium

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62

Lubricants

it improves rate of flow of the granulation and prevent adhesion of the tablet material to the surface of the dies and punches

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63

Colorants

added to tablets for anesthetic value and to provide control during manufacture and distinguish one product from another

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64

Pastels

are dyes absorbed on Al (OH) and are insoluble in water

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65

Citric acid

is used to accentuate fruit flavors and unmask aftertaste because of the sweet taste

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66

Granulation by Compression

has been used when the active ingredients are sensitive to heat, moisture, or both

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67

Chilonator

it consists of 2 rollers controlled by hydraule grams

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68

Film coated tablets

are compressed tablets coated with a thin layer of water-soluble polymeric substance capable of forming film over the tablet

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69

Capping

the partial or complete separation of the top or bottom of a tablet from the main body

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70

Lamination

the separation of a tablet into 2 or more distant layers

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71

Chipping

the removal of edges of tablets

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72

Picking

the removal of material from the surface of the tablet and its adherence to the face of the punch

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73

Sticking

the adhesion of granulation to the die wall

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74

Mottling

the unequal distribution of color on the surface of the tablet

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75

Strong Cobb tester

measures the applied force in kg required to break a tablet

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76

Strokes Monsanto

consists of a barrel containing a compressible spring held between two plungers

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77

Eureka Instrument

has the breaking force applied by a ham fastened to one end to a pivot

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78

Pfizer Hardness Tester

operates with the same principle as pliers with the tablets crushed in the jaws of the device, and the force is indicated on a dial indicator

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79

Dissolution Rate

the length of time by which substance has dissolved in the media of 0.1 N HCl, buffer or water at 37 degrees Celsius

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80

Disintegration time/Complete disintegration

in which any residue of the tablet except the fragments of insoluble coating remaining on the screen is a soft mass having no firm core

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81

Capsules

one or more medicinal or inert substance are enclosed within a small shell container generally prepared from a suitable form of gelatin

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82

Imprinting

a convenient method by which a company or product identification in formation can be placed upon each capsule

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83

Special purpose capsules

capsules to which a special treatment has been given in an attempt to retard solubility in some manner

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84

Bloom or gel strength

a measure of the cohesive strength of the cross-linking that occurs between gelatin molecules and is proportional to the molecular weight of the gelatin

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