Research Article

Determination of the Content of Phenolic Compounds and the Changes of Polyphenol Oxidase and Each Index during Browning of Phyllanthus emblica at Different Storage Temperatures

Table 1

Linear equation, R2, and range of 1-galloyl-glucose, GA, TGG, and EA for quantitative determination.

CompoundRegression equationR2Range (µg)

1-Galloyl-glucoseY = 3733.8X − 96.8030.99970.26–1.59
GAY = 1783X + 226.40.99860.81–4.07
1,3,6-Tri-O-galloyl-β-D-glucoseY = 1168.2X − 73.0140.99910.14–0.82
EAY = 1714.3X + 71.0530.99920.79–4.75

R2 means coefficient of determination. The above data are all greater than 0 and less than 1, showing that the model fits well.