Research Article

Pentagalloyl Glucose- and Ethyl Gallate-Rich Extract from Maprang Seeds Induce Apoptosis in MCF-7 Breast Cancer Cells through Mitochondria-Mediated Pathway

Table 1

Limit of detection (LOD) and limit of quantification (LOQ) of GA, EG, and PGG of maprang seed extract.

Linear equation
Y = mX + c
R-square (COD)SD (n = 7)LOD (μg/mL)
3.3 SD/slope
LOQ (μg/mL)
10 SD/slope

Gallic acid (GA)
 Area peak at 271 nmY = 59579.31 X − 41513.360.999182022.810.110.34
 Area peak at 279 nmY = 52126.87 X − 29251.570.999241698.690.110.32

Ethyl gallate (EG)
 Area peak at 271 nmY = 35918.44 X + 151845.020.99953925.890.080.26
 Area peak at 279 nmY = 32101.91 X + 151521.910.99949858.250.090.27

Pentagalloyl glucose (PGG)
 Area peak at 271 nmY = 37788.23 X − 430.140.999451044.240.090.28
 Area peak at 279 nmY = 41639.62 X + 1730.320.999461144.460.090.27