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. 2020 Dec 24;6(12):e05812. doi: 10.1016/j.heliyon.2020.e05812

Table 7.

Roasted coffee biochemical content and antioxidant activity correlation with cup quality.

Cup Quality Parameters evaluated
CAFr CGAr TRGr AAr
Aromatic intensity 0.057ns -0.019ns -0.017ns -0.005ns
Aromatic quality 0.109ns 0.038ns -0.008ns 0.041ns
Acidity -0.003ns 0.152∗ 0.176ns 0.074ns
Astringency 0.291∗∗ -0.022ns -0.029ns 0.059ns
Bitterness 0.221∗∗ -0.017ns -0.005ns 0.034ns
Body -0.146ns 0.201∗∗ 0.269∗∗ 0.140ns
Flavor -0.094ns 0.223∗∗ 0.173∗ 0.172∗
Overall cup quality -0.008ns 0.182∗ 0.204∗∗ 0.116ns

Significance: ns = non-significant, ∗ = P < 0.05 and ∗∗ = P < 0.01.

AAr = antioxidant activity in roasted, CAFr = caffeine in roasted, CGAr = chlorogenic acids in roasted and TRGr = trigonelline in roasted.