PJB-2019-720
A comparative GC-TOF-MS-based metabolomics approach for evaluating essential oil of early bolting Angelica sinensis and normal Angelica sinensis
Lucun Yang
Abstract
Angelica sinensis, commonly known as female ginseng, is a highly valued medicinal herb that is widely cultivated in China. However, early bolting is a major problem that has long hampered its cultivation and production. Researchers have extensively studied the aspects of early bolting, such as morphological structure, endogenous hormones, physiological activity, physiological characteristics, biochemical characteristics, and gene expression, but how the essential oil profile of A. sinensis changes after early bolting is still unknown. Here, we compared the essential oil profiles of early bolting and normal A. sinensis using a GC-TOF-MS-based metabolomics approach. In total, 490 essential oil components were identified, 78 of which present in different levels in each type of plant (5 components were more prevalent, and 73 were less prevalent in early bolting A. sinensis compared with normal A. sinensis). The major ingredients of the essential oil of A. sinensis, such as butanal, 5-pentylcyclohexa-1,3-diene, 3-butylisobenzofuran-1(3H)-one, senkyunolide, and (E)-3-butylidene-4,5-dihydroisobenzofuran-1(3H)-one were present in lower levels in early bolting A. sinensis. Our results provide evidence that early bolting A. sinensis has a very different essential oil profile to normal A. sinensis, and cannot be used as a medicine.
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