Investigation of the chemical compounds in Pheretima aspergillum (E. Perrier) using a combination of mass spectral molecular networking and unsupervised substructure annotation topic modeling together with in silico fragmentation prediction.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of pharmaceutical and biomedical analysis"
DOI: 10.1016/j.jpba.2020.113197
Abstract: Untargeted mass spectrometry analysis is one of the most challenging and meaningful steps in the rapid structural elucidation of the highly complex and diverse constituents of traditional Chinese medicine. Specifically, it is a laborious and… read more here.
Keywords: mass; pheretima aspergillum; mass spectral; molecular networking ... See more keywords
Anti-pathogens constituents and novel ergosterol derivatives with the broad-spectrum germicidal substances from earthworm, Pheretima aspergillum
Sign Up to like & getrecommendations! Published in 2018 at "Tetrahedron"
DOI: 10.1016/j.tet.2018.07.009
Abstract: Abstract Antimicrobial activity-guided isolation found a series of new compounds from Pheretima aspergillum. Novel structures were elucidated by NMR spectroscopic and HRMS analyses, whereas their absolute configurations were established by ORD and CD spectrometer. The… read more here.
Keywords: ergosterol derivatives; novel ergosterol; pheretima aspergillum; spectrum germicidal ... See more keywords