Research Article

Synthesis and Properties of Macrocyclic Butanoic Acid Conjugates as a Promising Delivery Formulation for the Nutrition of Colon

Figure 2

The release behaviors of BA from the BA/β-CyD conjugates incubated with rat gastrointestinal tract contents (17%, w/v). (1) Stomach contents (■); (2) small intestine contents (▲); (3) colonic contents (♦) at 37°C.
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