Research Article
Microencapsulation of Ruellia tuberosa L. Aqueous Root Extracts Using Chitosan-Sodium Tripolyphosphate and Their In Vitro Biological Activities
Figure 5
The alpha amylase inhibition of (a) acarbose, with IC50 value of 4.81 ± 0.34 μg/mL; (b) R. tuberosa (L) extract, with IC50 value of 47.15 ± 4.77 μg/mL; and (c) microcapsules of R. tuberosa (L.) extract prepared in pH 4, 0.1% (w/v) chitosan concentration and 90 min stirring time, with IC50 value of 50.65 ± 9.17 μg/mL.
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