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Journal > Jurnal Teknologi Dan Industri Pangan > AKTIVITAS DAN STABILITAS RADICAL SCAVENGING L-ASKORBIL PALMITAT HASIL SINTESIS SECARA ENZIMATIK [Activity and Stability of Radical Scavenging of L- Palmitate Synthesized Enzymatically]

 

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Jurnal Teknologi Dan Industri Pangan
Vol 20, No 2 (2009): Jurnal Teknologi dan Industri Pangan
AKTIVITAS DAN STABILITAS RADICAL SCAVENGING L-ASKORBIL PALMITAT HASIL SINTESIS SECARA ENZIMATIK [Activity and Stability of Radical Scavenging of L- Palmitate Synthesized Enzymatically]
Article Info   ABSTRACT
Published date:
16 Dec 2010
 
ABSTRACT   L-ascorbyl palmitate (AsA-Pal-Enz) was synthesized by using an immobilized lipase from Aspergillus niger. A comparison of antioxidative effects between L-ascorbic acid  (AsA) and AsA-Pal-Enz was determined in terms of 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging. The results indicate that the AsA-Pal-Enz was effective in preventing lipid oxidation, while the antioxidative activity in authentic AsA-Pal was lower. The activity of AsA-Pal-Enz was very stable than AsA-Pal standard during heating.   Key words : Aspergillus niger, Lipase, Antioxidant, L-Ascorbic Acid, L-Ascorbyl Palmitate
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