Table 1:
Stability of the constituents procyanidin B2 (PB2) and epicatechin (EP) of the dried extract of
Guazuma ulmifolia
. Mean ± SD (RSD %).
Days of storage
CE (mg/mg)
CEA (mg/mg)
PB2
EP
PB2
EP
Time zero
(3.8)
(1.9)
(2.3)
(3.2)
2
(5.1)
(4.5)
(1.0)
(4.4)
7
(4.6)
(3.2)
(4.4)
(1.9)
14
(9.4)
(1.7)
(4.2)
(3.4)
21
(9.0)
(9.1)
(6.6)
(2.8)