Variations in the Levels of Mulberroside A, Oxyresveratrol, and Resveratrol in Mulberries in Different Seasons and during Growth

Table 1

Linear relation between peak area and concentration (𝑛=6).

Compound	Regression equation^a	𝑟^2b	Linear range (μg mL^−1)	LOD^c (ng mL^−1)	LOQ^d (ng mL^−1)
1	𝑦=22.804𝑥−25.360	0.9999	0.64–404.40	2.60	8.67
2	𝑦=54.197𝑥−144.350	0.9999	0.71–444.00	2.10	7.00
3	𝑦=75.172𝑥−71.439	1	0.72–448.00	0.95	3.17

aIn the regression equation 𝑦=𝑎𝑥+𝑏, 𝑥 refers to the concentration of the compound (μg mL⁻¹), 𝑦 the peak area.
^b𝑟² is the correlation coefficient of the equation.
^cLOD: limit of detection.
^dLOQ: limit of quantification.