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. 2024 May 7;24:368. doi: 10.1186/s12870-024-05055-y

Table 2.

HPLC analysis showing different parameters for Total Flavonoid contents, Total phenolic contents, Ascorbic acid, Capsaicin and Dihydrocapsaicin

Components LOD (µg/g) LOQ (µg/g) Linearity range (µg/ml) Linearity curve Retention time (min) R2
Total flavonoid contents 126 382 2-8 Y = 0.297x + 0.5712 2.6 0.94
Total Phenolic contents 3.53 × 10−06 1.07 × 10−05 0-1 Y = 354597x + 13,311 3.7 0.95
Ascorbic acid 6.3 × 10−05 1.93 × 10−05 1-6 Y = 300220x 2.8 0.98
Capsaicin 21 60 0-800 Y = 50.681x-875.55 2.79 0.997
Dihydrocapsaicin 40 130 0-800 Y = 25.494x-113.85 3.5 0.999