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Dynamic high pressure microfluidization-assisted extraction and antioxidant activities of sweet potato (Ipomoea batatas L.) leaves flavonoid

Paper ID Volume ID Publish Year Pages File Format Full-Text
19201 43050 2013 6 PDF Available
Title
Dynamic high pressure microfluidization-assisted extraction and antioxidant activities of sweet potato (Ipomoea batatas L.) leaves flavonoid
Abstract

Dynamic high pressure microfluidization (DHPM) is an emerging technology utilizing the collective forces of high-velocity impact, high-frequency vibration, instantaneous pressure drop, intense shear, cavitation, and ultra-high pressures. DHPM technology was applied to improve the extraction of flavonoids from sweet potato leaves, and its effect was evaluated using six samples under various conditions. Pretreatment with DHPM was found to strengthen the antioxidant activities of the flavonoid, while no treatment or post-treatment with DHPM, produced weaker antioxidant activities. This suggests that the DHPM technology may provide a promising method of utilizing sweet potato leaves as a natural antioxidant in food and pharmaceutical industry.

► DHPM was applied in the extraction of flavonoids from sweet potato leaves. ► The flavonoids from sweet potato leaves had excellent antioxidant activity. ► The DHPM-assisted extract exhibited much stronger antioxidant activity than the traditional ethanol extract.

Keywords
Sweet potato leaves; Flavonoid; DHPM; Antioxidant
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Dynamic high pressure microfluidization-assisted extraction and antioxidant activities of sweet potato (Ipomoea batatas L.) leaves flavonoid
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 91, Issue 1, January 2013, Pages 1–6
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us