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Table 3 Continued
Excipient
Advantages
Disadvantages
Mannitol (cont.)Noncariogenic
Low caloric value
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Good mouth feel, free of grittiness, sweet cooling taste
SorbitolHighly compressibleVery hygroscopic
High solubility
White
Noncariogenic
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Good mouth feel, free of grittiness, sweet cooling taste
DextroseWater solubleProduces soft tablet
Some binding actionOn aging, disintegration time increases hardness increases, friability decreases
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Less hygroscopic than lactose
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Can be dried to low moisture content
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More browning of tablets in the presence of amines than with lactose
DextratesWater solubleReactive with amines
Nonhygroscopic
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Contains 810% moisture
Free flowing
Rapid dissolution
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Tablet hardness may increase after compression
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Good mouth feel, free of grittiness, sweet cooling taste
Starch*Inert
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Contains up to 10% moisture
Disintegrant activity
Some lubricant action
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Dried granulations can absorb moisture
Good oil absorption properties
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Produces a soft tablet
Pregelatinized StarchGood binder
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Needs high pressures to produce a hard tablet
Free flowing
High dilution capacity
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Binding properties reduced by lubricants; tends to soften when used with magnesium stearate
Excellent carrier for incorporating dye systems in tablet granulations
Self-lubricating
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For good flow, a glidant is required
Disintegrant activity
*Wet granulation as capsule-filler material

 
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