Research Article

Ninety-Day Oral Toxicity Assessment of an Alternative Biopolymer for Controlled Release Drug Delivery Systems Obtained from Cassava Starch Acetate

Figure 2

Photomicrographs of jejunum and kidney histopathology from representative male Wistar rats treated with vehicle (control group) or the highest dosage of FCSA (300 mg/kg) for 90 days. At the top, the jejunum (200x) and its respective control group are shown. In the line below, a sample of the left kidney (400x) is also represented. Hematoxylin and eosin stain.