Evaluation of Toxicological Effects of an Aqueous Extract of Shells from the Pecan Nut Carya illinoinensis (Wangenh.) K. Koch and the Possible Association with Its Inorganic Constituents and Major Phenolic Compounds
Table 1
Concentration of the inorganic elements in pecan shell aqueous extract (PSAE) and pecan shells (SHELL) by PIXE (mean ± standard deviation).
Inorganic elements
PSAE (ppm ± SD)
SHELL (ppm ± SD)
K
13,658.7 ± 217.6
3,889.0 ± 1862.3
Na
1,159.3 ± 75.0
791.1 ± 169.9
Ca
1,146.7 ± 55.7
6,830.0 ± 3557.1
Mg
645.2 ± 137.5
1,831.0 ± 926.1
P
489.2 ± 44.8
267.8 ± 126.5
Cl
403.4 ± 13.1
98.9 ± 48.4
S
291.5 ± 3.4
370.6 ± 179.1
Si
214.0 ± 13.0
179.2 ± 90.8
Fe
197.4 ± 35.9
205.8 ± 108.2
Mn
128.3 ± 7.3
319.4 ± 150.5
Rb
54.3 ± 7.0
18.3 ± 9.00
Al
43.7 ± 7.8
90.1 ± 46.3
Cu
29.9 ± 14.5
15.2 ± 7.4
Ba
20.1 ± 6.1
66.7 ± 33.7
Zn
19.2 ± 8.1
19.1 ± 9.0
Sr
12.2 ± 3.5
15.2 ± 7.3
Cr
4.5 ± 0.2
2.2 ± 1.2
and . Significant difference between PSAE and SHELL (Student’s -test).