. 2025 Jul 30;14(15):2685. doi: 10.3390/foods14152685

Table 3.

DPPH and ABTS radical scavenging activities of freeze-dried apple and Korean green chili pepper extracts cultivated under standard organic conditions or with mineral supplementation.

Crop	Cultivation Method	DPPH Radical Scavenging Activity IC₅₀ (mg/mL)	ABTS Radical Scavenging Activity IC₅₀ (mg/mL)
Apple	Organic (control)	42.0 ± 3.3	12.9 ± 2.0
Apple	Mineral supplemented	38.4 ± 4.9 *	11.4 ± 1.6
Korean green chili pepper	Organic (control)	125.7 ± 16.1	3.7 ± 0.7
Korean green chili pepper	Mineral supplemented	91.4 ± 14.6 *	3.7 ± 2.7
Quercetin		0.092 ± 0.004	0.084 ± 0.003

* Significantly different from the organically grown sample (control) (p < 0.05). Values are expressed as means ± standard deviation (n = 3).