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Nat Prod Res ; 30(16): 1777-86, 2016 Aug.
Article in English | MEDLINE | ID: mdl-26284613

ABSTRACT

Arum dioscoridis and A. palaestinum (Araceae) are indigenous plant species in Jordan. HPLC-MS analysis of A. dioscoridis revealed the presence of apigenin, luteolin, quercetin, quercetin-3-O-ß-glucoside, vitexin, isoorientin, esculin, and caffeic and ferulic acids. Both Arum spp., influenced gastrointestinal carbohydrate and lipid digestion and absorption. Orlistat inhibited dose dependently and highly substantially pancreatic lipase (PL) in vitro. Similar to orlistat, Arum species aqueous extracts (AEs), apigenin, caffeic acid and esculin exhibited a concentration related PL inhibition. Comparable to acarbose, dual inhibition of α-amylase/α-glucosidase was observed for both Arum species. Like guar gum, A. dioscoridis AE minimised substantially area under 24 h glucose curve. Acute starch-induced postprandial hyperglycaemia in overnight fasting rats was highly significantly (p < 0.001) decreased by A. dioscoridis AE. A. palaestinum could not perform effectively in either starch- or glucose-fed fasting rats. No antiproliferative effects against colorectal cancer cell lines HT29, HCT116 and SW620 were detected for tested Arum spp.


Subject(s)
Arum/chemistry , Acarbose/pharmacology , Animals , Cell Line, Tumor , Cell Proliferation/drug effects , Colorectal Neoplasms , Glycoside Hydrolase Inhibitors/pharmacology , HT29 Cells , Humans , Hyperglycemia/drug therapy , Jordan , Plant Extracts/pharmacology , Rats , alpha-Amylases/antagonists & inhibitors , alpha-Glucosidases
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