NDLI: Effect on oxidative stress, glucose uptake level and lipid droplet content by Apigenin 7, 4'-dimethyl ether isolated from Piper longum L

Content Provider	Springer Nature Link
Author	Krishna, Mahesh S. Joy, Beena Sundaresan, A.
Copyright Year	2014
Abstract	Piper longum L. (Family: Piperaceae), is a widely used herb in several Ayurvedic formulations prescribed for various diseases. Potential of the plant material as an antidiabetic and cardio protective agent has not been evaluated so far. In the study, we designed experiments to evaluate antioxidant, glucose uptake potential and lipid content regulating potential of extracts and compound from P. longum fruits. Solvent extracts from Piper longum fruits using hexane, ethyl acetate, methanol, 70 % methanol-water were taken and apigenin 7, 4'-dimethyl ether (ADE) was isolated from ethyl acetate extract. Antioxidant activity, glucose uptake potential and adipocyte differentiation assay was performed with extract and pure compound. Antioxidant activity in terms of TRP (196.03 μg/mg GAE), DPPH assay (IC$_{50}$–173.09 μg/mL), hydroxyl radical scavenging assay (IC$_{50}$–20.42 μg/mL), inhibiting LDL oxidation (IC$_{50}$–51.99 μg/mL) and to enhance SOD activity (25.3 %) was higher in ethyl acetate extract (EAP). Phenolic and flavonoid content was measured and showed a positive correlation with antioxidant activity. Presence of apigenin 7, 4'-dimethyl ether (ADE) and piperine (Pip) in EAP was determined by HPTLC analysis and was isolated. ADE inhibited α-glucosidase and α-amylase enzymes and enhanced 2-NBDG uptake in L6 cells. Hypolipidemic effect of ADE on mouse pre-adipocyte (3T3L1) cell lines also showed a dose dependent reduction on lipid droplet content and effective concentration range was determined as 1–2.5 μg/mL. The results suggested that Piper longum fruits can provide a natural source of antioxidants with antidiabetic and anti obesity potential.
Starting Page	3561
Ending Page	3570
Page Count	10
File Format	PDF
ISSN	00221155
Journal	Journal of Food Science and Technology
Volume Number	52
Issue Number	6
e-ISSN	09758402
Language	English
Publisher	Springer India
Publisher Date	2014-06-03
Publisher Place	New Delhi
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Antioxidant Antidiabetic Hypolipidemic Flow cytometry Apigenin 7, 4'-dimethyl ether Glucose uptake Food Science Nutrition Chemistry/Food Science
Content Type	Text
Resource Type	Article
Subject	Food Science

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Effect on oxidative stress, glucose uptake level and lipid droplet content by Apigenin 7, 4'-dimethyl ether isolated from Piper longum L.

Effect on oxidative stress, glucose uptake level and lipid droplet content by Apigenin 7, 4\'-dimethyl ether isolated from Piper longum L

Effect on oxidative stress, glucose uptake level and lipid droplet content by Apigenin 7, 4 '-dimethyl ether isolated from Piper longum L

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