Table 2 Linear relationships of the four flavonoid components.

From: Quality evaluation of Bombyx Batryticatus from different sources in China and quality analysis based on cross sectional silk gland rings

Standards

Standard equations

R2

Linear range (μg·mL−1)

Rutin

Y = 0.1661X − 0.0418

0.9999

4.9–78.4

Astragalin

Y = 0.2043X − 0.0209

0.9998

1.25–20.0

Quercetin

Y = 0.1634X + 0.0052

0.9999

1.9–30.4

Kaempferol

Y = 0.3896X − 0.0161

0.9998

1.0–16.0

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