. 2017 Sep 5;8:609. doi: 10.3389/fphar.2017.00609

Table 1.

Contents of flavonoids and triterpenoids (mg/100 g) in the seeds of Ziziphus jujuba var. spinosa and Z. mauritiana (mean ± SD).

Sample number	Collecting region	Spinosin	6″′-feruloyl-spinosin	Jujuboside A	Jujuboside B	Betulinic acid
Seeds of Ziziphus jujuba var. spinosa
ZS01	Pingyi, Shandong	84.02 ± 1.16^f	22.22 ± 0.52^c	79.66 ± 2.49^d	29.04 ± 1.02^h	38.56 ± 1.11^b
ZS02	Fuxin, Liaoning	77.88 ± 2.24^e	42.20 ± 1.06^f	70.84 ± 1.88^c	19.63 ± 0.51^ef	63.76 ± 2.05^d
ZS03	Chaoyang, Liaoning	61.20 ± 2.65^c	21.55 ± 0.43^c	37.12 ± 1.04^a	14.64 ± 0.45^c	31.54 ± 1.12^a
ZS04	Zanhuang, Hebei	21.98 ± 1.04^a	15.32 ± 0.50^b	74.78 ± 1.49^cd	11.89 ± 0.35^b	36.24 ± 1.53^ab
ZS05	Turpan, Xinjiang	89.36 ± 2.21^g	26.07 ± 0.69^d	76.55 ± 3.08^cd	10.05 ± 0.32^a	37.37 ± 1.09^ab
ZS06	Neiqiu, Hebei	31.29 ± 0.64^b	11.66 ± 0.35^a	89.03 ± 2.17^e	19.20 ± 0.59^ef	51.91 ± 2.01^c
ZS07	Suide, Shaanxi	25.94 ± 0.55^a	26.52 ± 0.53^d	55.05 ± 1.41^b	13.71 ± 0.39^c	72.41 ± 2.01^e
ZS08	Jiaxian, Shaanxi	90.51 ± 1.04^g	42.56 ± 1.71^f	78.47 ± 2.68^d	20.59 ± 0.73^f	50.27 ± 1.80^c
ZS09	Yanan, Shaanxi	69.84 ± 1.63^d	39.55 ± 1.40^f	59.15 ± 1.89^b	18.17 ± 0.49^e	55.30 ± 2.28^c
ZS10	Xingtai, Hebei	79.25 ± 2.67^ef	35.78 ± 1.43^e	90.34 ± 2.81^e	13.69 ± 0.50^c	90.51 ± 3.37^f
ZS11	Zibo, Shandong	113.64 ± 1.83^h	45.75 ± 1.22^g	114.08 ± 3.41^f	16.43 ± 0.40^d	92.57 ± 2.86^f
ZS12	Yinchuan, Ningxia	132.38 ± 2.23ⁱ	40.48 ± 1.53^f	125.41 ± 4.05^g	23.80 ± 0.76^g	89.41 ± 3.17^f
mean		73.11 ± 33.90	30.81 ± 11.65	79.21 ± 24.17	17.57 ± 5.35	59.15 ± 22.45
Seeds of Ziziphus mauritiana
ZM01	Anguo, Hebei	107.48 ± 2.75^d	34.47 ± 1.21^d	nd	nd	31.47 ± 0.94^a
ZM02	Bozhou, Anhui	128.22 ± 3.55^e	42.71 ± 1.02^e	nd	nd	49.52 ± 1.57^c
ZM03	Kunming, Yunnan	78.84 ± 1.49^b	29.26 ± 1.26^c	nd	nd	27.35 ± 0.73^a
ZM04	Yuanmou, Yunnan	94.04 ± 3.34^c	18.59 ± 0.52^a	nd	nd	31.09 ± 1.28^a
ZM05	Xian, Shaanxi	67.64 ± 2.71^a	20.96 ± 0.39^ab	nd	nd	48.50 ± 1.72^c
ZM06	Nanjing, Jiangsu	124.88 ± 3.26^e	48.91 ± 1.25^f	nd	nd	92.60 ± 3.21^d
ZM07	Haikou, Hainan	62.97 ± 1.96^a	23.23 ± 0.72^b	nd	nd	40.01 ± 1.19^b
Mean		94.86 ± 26.42	31.16 ± 11.46	nd	nd	45.79 ± 22.39
P^#		^∗	ns	^∗∗	^∗∗	^∗

Means within a column with different superscripts differ significantly (P < 0.05). nd, not detected. ^#P-value for Seeds of Ziziphus jujuba var. spinosa × Seeds of Ziziphus mauritiana (ns, not significant); ^∗P < 0.05, ^∗∗P < 0.01.