Yellow pigment from gardenia fruit: structural identification and evaluation of cytotoxic activity in HepG2 cells by induction of apoptosis
文献类型： 外文期刊
作者： Tang, Liqin 1 ; Liu, Haocheng 1 ; Fu, Manqin 1 ; Xu, Yujuan 1 ; Wen, Jing 1 ; Wu, Jijun 1 ; Yu, Yuanshan 1 ; Lin, Xian 1 ; Li, Lu 1 ; Bu, Zhibin 1 ; Yang, Wanyuan 3 ;
作者机构： 1.Guangdong Acad Agr Sci, Key Lab Funct Foods, Guangdong Key Lab Agr Prod Proc, Minist Agr,Sericultural & Agrifood Res Inst, Guangzhou 510610, Guangdong, Peoples R China
2.Jiangxi Agr Univ, Coll Agron, Nanchang 330045, Jiangxi, Peoples R China
3.Guangdong Jiabao Grp Co Ltd, Chaozhou 515638, Guangdong, Peoples R China
关键词： Yellow pigment; LC-TOF-MS; MS; HepG2; Crocins; Apoptosis
期刊名称：FOOD SCIENCE AND BIOTECHNOLOGY （ 影响因子：3.231； 五年影响因子：2.925 ）
ISSN： 1226-7708
年卷期：
页码：
收录情况： SCI
摘要： The preparation process of yellow pigment (YP) from gardenia (Gardenia jasminoides) fruit was investigated, and the main components of YP were characterized by liquid chromatography-time of flight-mass spectrometer/mass spectrometer (LC-TOF-MS/MS). Furthermore, cytotoxic activity in HepG2 cells by induction of apoptosis was also evaluated. The preparation results indicated that the color value of YP was 498.34, which was 8.6 times higher than crude YP. Fifteen compounds in YP were identified, and crocins were the predominant compounds. The cell experiment results showed that YP inhibited the proliferation of HepG2 cells in a time- and dose-dependent manner. Moreover, YP also inhibited HepG2 cells in G2/M stage, increased the level of intracellular reactive oxygen species (ROS), and enhanced cell apoptosis. Real-time quantitative polymerase chain reaction (RT-PCR) analysis revealed the up-regulation of caspase-3, 8, 9, and bax and down-regulation of bcl-2 in HepG2 cells. Overall, these findings suggested that YP had potential cytotoxic activity in HepG2 cells by induction of apoptosis, which might be beneficial to human health.
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