Comparison of Nutrients and Antioxidant Activities in Sweet Potatoes

Table 7

Average free-radical scavenging performance of TAC (DPPH) and TAC (ABTS⁺) in 48 sweet potato cultivars.

Meat color	Cultivars	Total antioxidant capacity (TAC) (µg·g^−1·DW)		Total mean ± standard (µg·g^−1·DW)
		DPPH	ABTS^+	DPPH	ABTS^+
Purple	Mianzishu-9	0.59 ± 0.03	1.42 ± 0.01	0.46 ± 0.13	0.75 ± 0.41
Purple	Qianshu-18-5-3	0.56 ± 0.08	0.74 ± 0.01
Purple	Ganshu-3	0.45 ± 0.06	0.64 ± 0.15
Deep purple	Jiheishu-1	0.45 ± 0.10	0.64 ± 0.09
White purple	Qianshu-18-8-2	0.25 ± 0.06	0.32 ± 0.01
Dark orange	Pushu-32	0.57 ± 0.02	0.57 ± 0.06	0.37 ± 0.10	0.50 ± 0.13
Dark orange	Qianshu-5	0.53 ± 0.07	0.65 ± 0.08
Dark orange	Taishu-14	0.34 ± 0.04	0.40 ± 0.07
Dark orange	Sushu-14	0.34 ± 0.01	0.37 ± 0.01
Dark orange	Ziyunhongxinshu	0.31 ± 0.07	0.32 ± 0.00
Dark orange	Hongxiangjiao	0.28 ± 0.04	0.38 ± 0.08
Yellow orange	Ecaishu-1	0.41 ± 0.01	0.61 ± 0.01
Yellow orange	Quanshu-830	0.35 ± 0.01	0.42 ± 0.03
Yellow orange	Qianshu-407	0.29 ± 0.03	0.50 ± 0.05
Yellow orange	Wancaishu-19	0.27 ± 0.03	0.33 ± 0.05
Light orange	Qianshu-18-5-4	0.42 ± 0.02	0.39 ± 0.02
Light orange	Kaoshu	0.30 ± 0.05	0.36 ± 0.01
Yellow	Qianshu-1	0.41 ± 0.00	0.45 ± 0.01	0.30 ± 0.08	0.42 ± 0.14
Yellow	Jishu-26	0.38 ± 0.04	0.40 ± 0.01
Yellow	Pushu-53	0.38 ± 0.00	0.44 ± 0.00
Yellow	Zhanjiangcaitaishu-71	0.33 ± 0.04	0.56 ± 0.07
Yellow	Tongshu-2	0.30 ± 0.01	0.43 ± 0.05
Yellow	Sushu-24	0.30 ± 0.02	0.38 ± 0.01
Yellow	Qianshu-14	0.27 ± 0.06	0.34 ± 0.09
Yellow	Anna	0.25 ± 0.02	0.45 ± 0.01
Yellow	Wanshankaoshu	0.21 ± 0.01	0.19 ± 0.05
Yellow	Chuanshu-1386-4	0.19 ± 0.03	0.86 ± 0.04
Pale yellow	Qianshu-18-6-6	0.48 ± 0.04	0.57 ± 0.04
Pale yellow	Xiangcaishu-2	0.45 ± 0.05	0.40 ± 0.01
Pale yellow	Fushu-23	0.34 ± 0.03	0.42 ± 0.05
Pale yellow	Huangyecaishu	0.30 ± 0.02	0.30 ± 0.01
Pale yellow	Fushu-7-6	0.24 ± 0.14	0.38 ± 0.00
Pale yellow	Qianshu-12	0.24 ± 0.03	0.43 ± 0.04
Pale yellow	Nanshu-99	0.24 ± 0.01	0.37 ± 0.06
Pale yellow	Wanshu-9	0.21 ± 0.012	0.32 ± 0.06
Pale yellow	Qianshu-18-6-1	0.24 ± 0.02	0.34 ± 0.01
White	Guangcaishu-3	0.36 ± 0.03	0.44 ± 0.02	0.31 ± 0.04	0.36 ± 0.10
White	Guangcaishu-5	0.36 ± 0.01	0.40 ± 0.02
White	Qianshu-2	0.35 ± 0.01	0.54 ± 0.10
White	Xiangshu-18	0.34 ± 0.02	0.54 ± 0.09
White	Qianshu-11	0.32 ± 0.03	0.32 ± 0.03
White	Chuancaishu-211	0.31 ± 0.05	0.31 ± 0.05
White	Qianshu-18-5-2	0.29 ± 0.02	0.29 ± 0.02
White	Qiancaishu-1	0.30 ± 0.02	0.30 ± 0.02
White	Qiancaishu-2	0.29 ± 0.01	0.29 ± 0.01
White	Fushu-18	0.27 ± 0.04	0.27 ± 0.04
White	Zhanjiangxiyecaishu	0.28 ± 0.05	0.28 ± 0.05
White	Xushu-18	0.21 ± 0.02	0.34 ± 0.05
—	Vitamin C	0.97 ± 0.00	1.00 ± 0.00	—	—