Abstract：
:Usually isolated from Garcinia (Clusiaceae) or Hypericum (Hypericaceae) species, some Polycyclic Polyprenylated AcylPhloroglucinols (PPAPs) have been recently reported as potential research tools for immunotherapy. Aiming at exploring the chemodiversity of PPAPs amongst Garcinia genus, a dereplication process suitable for such natural compounds has been developed. Although less sensitive than mass spectrometry, NMR spectroscopy is perfectly reproducible and allows stereoisomers distinction, justifying the development of 13C-NMR strategies. Dereplication requires the use of databases (DBs). To define if predicted DBs were accurate enough as dereplication tools, experimental and predicted δC of natural products usually isolated from Clusiaceae were compared. The ACD/Labs commercial software allowed to predict 73% of δC in a 1.25 ppm range around the experimental values. Consequently, with these parameters, the major PPAPs from a Garcinia bancana extract were successfully identified using a predicted DB.
journal_name
Fitoterapiajournal_title
Fitoterapiaauthors
Bruguière A,Derbré S,Coste C,Le Bot M,Siegler B,Leong ST,Sulaiman SN,Awang K,Richomme Pdoi
10.1016/j.fitote.2018.10.003subject
Has Abstractpub_date
2018-11-01 00:00:00pages
59-64eissn
0367-326Xissn
1873-6971pii
S0367-326X(18)31018-9journal_volume
131pub_type
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