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  Indian J Med Microbiol
 

Figure 1 Galega officinalis, a natural source of galegine. Metformin (a) structurally is a biguanide and it has link with guanidine (b) and galegine (c), which can both be extracted from the plant goat’s rue.

Figure 1 Galega officinalis, a natural source of galegine. Metformin (a) structurally is a biguanide and it has link with guanidine (b) and galegine (c), which can both be extracted from the plant goat’s rue.