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Table 1 Calibration curves, LODs and LOQs of the standard compounds

From: Phytochemical compositions of extract from peel of hawthorn fruit, and its antioxidant capacity, cell growth inhibition, and acetylcholinesterase inhibitory activity

Compound

Calibration curve

r

Linear range/μg

LOQ/ng

LOD/ng

Ideain

Y = 5000000x-5992.1

0.9999

0.0049 ~ 0.63

4.93

2.47

Cyanidin 3-arabinoside

Y = 5000000x-12627

0.9999

0.0049 ~ 0.63

4.89

2.44

Hyperoside

Y = 3000000x-70021

0.9998

0.0049 ~ 5.02

4.90

2.45

Isoquercitrin

Y = 3000000x-68963

0.9997

0.0049 ~ 5.01

4.89

2.45

(−)-Epicatechin

Y = 835115x-7850.7

0.9999

0.0099 ~ 5.12

9.99

2.50

Chlorogenic acid

Y = 4000000x-131307.7

0.9995

0.0050 ~ 2.57

5.01

2.50