S-methyl-L-cysteine sulfoxide as a characteristic marker for rape royal jelly: Insights from untargeted and targeted metabolomic analysis
文献类型： 外文期刊
第一作者： Liu, Zhaolong
作者： Liu, Zhaolong;Qiao, Dong;Li, Hongxia;Chen, Lanzhen;Liu, Zhaolong;Qiao, Dong;Li, Hongxia;Chen, Lanzhen;Qiao, Dong
作者机构：
关键词： Rape royal jelly; S-methyl; L -cysteine sulfoxide; Food identification; Metabolomics; Mass spectrometry
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2024 年 437 卷
页码：
收录情况： SCI
摘要： Among the varieties of royal jelly (RJ), often referred to as "liquid gold", rape royal jelly (RRJ) is popular because of its superior nutritional value. However, existing physicochemical indicators fall short in identifying different types of RJ. Utilizing a UPLC-Q-Exactive Orbitrap-MS technique combined with metabolomics, this study was the first to identify S-methyl-L-cysteine sulfoxide (SMCSO) in RRJ, thereby it from other types of RJ. Subsequent to this observation, a method based on UPLC-QqQ-MS/MS, was developed and optimized for precise SMCSO quantification in RRJ, achieving a detection range of 77.55-112.68 mg/kg. Furthermore, an analysis of honey and bee bread harvested from the same batch of rape plants confirmed the presence of SMCSO, with the highest concentration detected in rape bee bread. In light of these findings, SMCSO emerges as a potent authenticity marker for RRJ.
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