INHIBITION OF HUMAN LOW-DENSITY LIPOPROTEINS OXIDATION BY Hibiscus radiatus CUV. CALYCES EXTRACT

ABSTRACT Hibiscus radiatus Cuv calyces extracts rich in polyphenols was screened for their potential to inhibit oxidation of human low-density lipoproteins-cholesterol (LDL-C) in vitro. The inhibition of LDL-C oxidation (antioxidant activity) was determined by measuring the formation of conjugated d...

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Main Author: Perpustakaan UGM, i-lib
Format: Article
Published: [Yogyakarta] : Universitas Gadjah Mada 2008
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author Perpustakaan UGM, i-lib
author_facet Perpustakaan UGM, i-lib
author_sort Perpustakaan UGM, i-lib
collection UGM
description ABSTRACT Hibiscus radiatus Cuv calyces extracts rich in polyphenols was screened for their potential to inhibit oxidation of human low-density lipoproteins-cholesterol (LDL-C) in vitro. The inhibition of LDL-C oxidation (antioxidant activity) was determined by measuring the formation of conjugated dienes and thiobarbituric acid reagent substances (TBARS). LDL-C oxidation was carried out in the presence of H. radiatus Cuv calyces extract (20 and 50 pM). CUS04 (10 pM) was used as the oxidation initiator and butylated hydroxytoluene (BHT) at 50 pM was used as standard antioxidant. The protective effect of H. radiatus Cuv. calyces extract toward human low-density lipoproteins, complex lipid system was demonstrated by significant increase lag time (? 103 min), diminished of the propagation rate (44 %), and diminution of conjugated dienes formation 59:42 % (50 pM) compared to control. Keywords: antioxidant, conjugated dienes, Hibiscus radiatus Cuv, low-density lipoproteins-cholesterol
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spelling oai:generic.eprints.org:279122014-06-18T00:24:54Z https://repository.ugm.ac.id/27912/ INHIBITION OF HUMAN LOW-DENSITY LIPOPROTEINS OXIDATION BY Hibiscus radiatus CUV. CALYCES EXTRACT Perpustakaan UGM, i-lib Jurnal i-lib UGM ABSTRACT Hibiscus radiatus Cuv calyces extracts rich in polyphenols was screened for their potential to inhibit oxidation of human low-density lipoproteins-cholesterol (LDL-C) in vitro. The inhibition of LDL-C oxidation (antioxidant activity) was determined by measuring the formation of conjugated dienes and thiobarbituric acid reagent substances (TBARS). LDL-C oxidation was carried out in the presence of H. radiatus Cuv calyces extract (20 and 50 pM). CUS04 (10 pM) was used as the oxidation initiator and butylated hydroxytoluene (BHT) at 50 pM was used as standard antioxidant. The protective effect of H. radiatus Cuv. calyces extract toward human low-density lipoproteins, complex lipid system was demonstrated by significant increase lag time (? 103 min), diminished of the propagation rate (44 %), and diminution of conjugated dienes formation 59:42 % (50 pM) compared to control. Keywords: antioxidant, conjugated dienes, Hibiscus radiatus Cuv, low-density lipoproteins-cholesterol [Yogyakarta] : Universitas Gadjah Mada 2008 Article NonPeerReviewed Perpustakaan UGM, i-lib (2008) INHIBITION OF HUMAN LOW-DENSITY LIPOPROTEINS OXIDATION BY Hibiscus radiatus CUV. CALYCES EXTRACT. Jurnal i-lib UGM. http://i-lib.ugm.ac.id/jurnal/download.php?dataId=10975
spellingShingle Jurnal i-lib UGM
Perpustakaan UGM, i-lib
INHIBITION OF HUMAN LOW-DENSITY LIPOPROTEINS OXIDATION BY Hibiscus radiatus CUV. CALYCES EXTRACT
title INHIBITION OF HUMAN LOW-DENSITY LIPOPROTEINS OXIDATION BY Hibiscus radiatus CUV. CALYCES EXTRACT
title_full INHIBITION OF HUMAN LOW-DENSITY LIPOPROTEINS OXIDATION BY Hibiscus radiatus CUV. CALYCES EXTRACT
title_fullStr INHIBITION OF HUMAN LOW-DENSITY LIPOPROTEINS OXIDATION BY Hibiscus radiatus CUV. CALYCES EXTRACT
title_full_unstemmed INHIBITION OF HUMAN LOW-DENSITY LIPOPROTEINS OXIDATION BY Hibiscus radiatus CUV. CALYCES EXTRACT
title_short INHIBITION OF HUMAN LOW-DENSITY LIPOPROTEINS OXIDATION BY Hibiscus radiatus CUV. CALYCES EXTRACT
title_sort inhibition of human low density lipoproteins oxidation by hibiscus radiatus cuv calyces extract
topic Jurnal i-lib UGM
work_keys_str_mv AT perpustakaanugmilib inhibitionofhumanlowdensitylipoproteinsoxidationbyhibiscusradiatuscuvcalycesextract