Plant-Mediated Green Synthesis of Ag NPs and Their Possible Applications: A Critical Review

Table 5

Morphology of green synthesized Ag NPs and their antidiabetic activity.

Size by TEM/SEM with morphology	Operational condition	Antidiabetic activity		Reference
		Enzyme	IC50
SEM 10–25 nm with spherical shape	1 : 10 ratio of Pisum sativum L. outer peel extract and 1 mM AgNO3 stirred continuously for 24 hours	α-Glucosidase	2.10 μg/mL	[94]
TEM 5–50 nm with rod, spherical, and triangular shape	1 : 2 ratio of different concentrations of AgNO3 and Cleome viscose whole plant at room temperature	α-Amylase	21.92 ± 1.74 μg/mL	[167]
		α-Glucosidase	21.76 ± 1.91 μg/mL
TEM mean diameter of 3.45 ± 0.16 nm with monodispersed and spherical shape	40 : 1 ratio of 1 mM AgNO3 and aqueous flower extract of Dregea volubilis at 121°C and 15°psi pressure for 20 minutes	α-Amylase	10.62 ± 0.22 μg/mL	[168]
		α-Glucosidase	6.49 ± 0.03 μg/mL
TEM 5–15 nm with polydispersed and spherical shape	1 : 99 ratio of 1 mM AgNO3 and flower aqueous extract of Bauhinia variegate incubated in dark at room temperature for 1 hour	α-Amylase	38 μg/mL	[169]
SEM 50 nm with polydispersed shape	1 : 19 ratio of Xylocarpus granatum bark aqueous extract and 10 mM AgNO3 at room temperature for 6 hours	α-Amylase	0.19 mg/mL	[170]
		α-Glucosidase	0.13 mg/mL