. 2016 Jun 30;21(7):863. doi: 10.3390/molecules21070863

Table 7.

Phenolic contents and antioxidant activities of three classes of lotus root.

Classification		Class-I	Class-II	Class-III
Flesh	TPC (mg GAE/g FW)	1.86 ± 0.14 ^a	1.51 ± 0.31 ^a	2.04 ± 0.50 ^a
	TFC (mg RE/g FW)	3.17 ± 0.24 ^a	2.74 ± 0.72 ^a	4.18 ± 1.71 ^a
	IC₅₀ of DPPH radical scavenging (µg GAE/mL)	45.81 ± 3.66 ^ab	51.94 ± 6.89 ^b	40.29 ± 3.26 ^a
	FRAP antioxidant activity (µg TE/100 µg GAE)	69.03 ± 6.41 ^a	75.56 ± 9.51 ^ab	84.85 ± 9.46 ^b
Peel	TPC (mg GAE/g FW)	4.51 ± 0.31 ^b	3.58 ± 0.54 ^a	4.73 ± 0.16 ^b
	TFC (mg RE/g FW)	7.58 ± 0.98 ^ab	6.63 ± 0.89 ^a	8.89 ± 0.92 ^b
	IC₅₀ of DPPH radical scavenging (µg GAE/mL)	26.78 ± 2.35 ^a	31.05 ± 13.64 ^a	21.37 ± 1.51 ^a
	FRAP antioxidant activity (µg TE/100 µg GAE)	81.47 ± 5.06 ^a	88.46 ± 5.53 ^ab	94.58 ± 2.48 ^b
Node	TPC (mg GAE/g FW)	8.14 ± 1.55 ^a	6.68 ± 0.99 ^a	7.03 ± 0.84 ^a
	TFC (mg RE/g FW)	16.91 ± 2.75 ^a	15.02 ± 1.04 ^a	14.48 ± 1.74 ^a
	IC₅₀ of DPPH radical scavenging (µg GAE/mL)	23.95 ± 2.05 ^b	21.31 ± 2.09 ^ab	19.35 ± 0.56 ^a
	FRAP antioxidant activity (µg TE/100 µg GAE)	91.34 ± 7.25 ^a	106.79 ± 0.74 ^b	105.43 ± 6.76 ^b

The statistical differences among classes were evaluated with One-way analysis of variance and Student-Newman-Keuls test. Data marked with different letters are significantly different (p < 0.05), and marked with same letter are statistically indifferent (p > 0.05).