Molecular mechanisms of the chemical constituents from anti-inflammatory and antioxidant active fractions of Ganoderma neo-japonicum Imazeki
文献类型： 外文期刊
作者： Zhang, Rui-rui 1 ; Zhang, Jing 2 ; Guo, Xu 2 ; Chen, Ying-ying 2 ; Sun, Jin-yue 2 ; Miao, Jia-lin 4 ; Carpenae, M. 5 ; Prieto, M. A. 5 ; Li, Ning-yang 3 ; Zhou, Qing-xin 1 ; Liu, Chao 2 ;
作者机构： 1.Shandong Normal Univ, Inst Biomed Sci, Coll Life Sci, Key Lab Anim Resistance Biol Shandong Prov, Jinan, Shandong, Peoples R China
2.Shandong Acad Agr Sci, Inst Agrofood Sci & Technol, Key Lab Novel Food Resources Proc, Minist Agr & Rural Affairs,Key Lab Agroprod Proc T, 202 Gongye North Rd, Jinan 250100, Peoples R China
3.Shandong Agr Univ, Coll Food Sci & Engn, Tai An 271018, Shandong, Peoples R China
4.Weihai Yuwang Grp CO LTD, Wei Hai 264209, Shandong, Peoples R China
5.Univ Vigo, Fac Sci, Dept Analyt Chem & Food Sci, Nutr & Bromatol Grp, E-32004 Orense, Spain
6.Galicia Sur Hlth Res Inst IIS Galicia Sur, Agrifood Res Grp, SERGAS UVIGO, Vigo, Spain
关键词： Ganoderma neo-Japonicum Imazeki; LC-MS; MS; Triterpenoids; Antioxidant ability; Anti-inflammatory activity
期刊名称：CURRENT RESEARCH IN FOOD SCIENCE （ 影响因子：6.3； 五年影响因子：6.3 ）
ISSN：
年卷期： 2023 年 6 卷
页码：
收录情况： SCI
摘要： Ganoderma neo-japonicum Imazeki is a rare medicinal mushroom that has been reported to play a role in scavenging free radicals, protecting the liver, and inhibiting tumor cell activity. In this study, crude extracts were prepared, and 47 triterpenoids were identified by Ultra-high-performance liquid chromatography coupled with triple quadrupole time-of flight mass spectrometry (UHPLC-Triple TOF-MS/MS). Then, the crude extracts were subjected to column chromatography for the first time to obtain six fractions (Fr. (a), (b), (c), (d), (e) and (f)). Antioxidant and anti-inflammatory active tracking assays of all fractions found that Fr. (c) exhibited the strongest bioactivity. Subsequently, the chemical composition of Fr. (c) was clarified, and eight triterpenoids were determined in combination with the standard substances. In addition, this study demonstrated that Fr. (c) reduced the levels of inflammatory cytokines and reactive oxygen species (ROS) in LPS-stimulated RAW264.7 macrophages. Further studies showed that Fr. (c) could down-regulate the expression level of proteins associated of NF-kappa B signaling pathway, and upregulated Nrf2 and HO-1 protein level. In conclusion, our study showed that Fr. (c) inhibited LPS-mediated inflammatory response and oxidative stress by activating the Nrf2/HO-1 pathway and inactivating the NF-kappa B pathway. In the future, with the clearing of its composition and activity mechanism, Fr. (c) of G. neo-japonicum are expected to become a functional food for health and longevity.
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