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Table 1 Mucus turnover in different regions of the GI tract

From: Mucus interaction to improve gastrointestinal retention and pharmacokinetics of orally administered nano-drug delivery systems

Region

Turnover rate

References

Stomach

~ 5–6 h

[63]

Small intestine

6 h (villi), 7 h (crypt)

[21]

Colon

~ 1 h (inner layer)

[64]

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Journal of Nanobiotechnology

ISSN: 1477-3155

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