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. 2021 Sep 9;10(9):891. doi: 10.3390/biology10090891

Figure 9.

Figure 9

Leucine aminopeptidase enzymatic activity in mid-gut enterocytes of adult honeybee originated from colony previously fed sugar syrup supplemented with BPC 157 (a), and untreated colony fed only sugar syrup (b); magnification ×40.