highly significantp < 0.05
Differential metabolite analysis showed that the betaine concentration was highly significant in db-SDF/db-CON (ID = 0.87_117.0790n, m / z = 156.0421476, C 5 H 11 NO 2 , VIP = 2.94, up-regulated 2.16 times, p < 0.05) ( Figure 8 E).