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| Content Provider | Springer Nature Link |
|---|---|
| Author | Jeon, Tae Woog Kim, Myung Kon Cho, Choa Hyoung |
| Copyright Year | 2012 |
| Abstract | Effects of gamma irradiation on color characteristic and biological activities of ethanol extract of Lonicera japonica irradiated at 0, 10, 20, and 30 kGy were investigated. Hunter color L*- and a*-value increased by irradiation in a dose-dependent manner, resulting in lighter color than the nonirradiated, whereas Hunter color b*-value decreased with increasing irradiation dosage (p <0.05). The L. japonica extract showed inhibition effects against tyrosinase, xanthine oxidase, and nitrite-scavenging ability. Tyrosinase inhibition effect of L. japonica was higher in the gamma-irradiated sample than in the nonirradiated sample, and the effect was increased by increasing irradiation dosages. The L. japonica extracts had a higher inhibitory effect against xanthine oxidase, and the effect was not greatly changed by irradiation. Nitrite-scavenging activity was the highest in L. japonica extract at pH 1.2. Overall, the gamma irradiation may not greatly influence the xanthine oxidase inhibition effect and nitrite-scavenging ability of the L. japonica extract, except for the tyrosinase inhibition effect when irradiated up to 30 kGy. |
| Starting Page | 111 |
| Ending Page | 114 |
| Page Count | 4 |
| File Format | |
| ISSN | 17382203 |
| Journal | Journal of the Korean Society for Applied Biological Chemistry |
| Volume Number | 55 |
| Issue Number | 1 |
| e-ISSN | 2234344X |
| Language | English |
| Publisher | The Korean Society for Applied Biological Chemistry |
| Publisher Date | 2012-02-29 |
| Publisher Place | Seoul |
| Access Restriction | Subscribed |
| Subject Keyword | biological activity color Applied Microbiology Biological Techniques irradiation Bioorganic Chemistry Lonicera japonica |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Biochemistry, Genetics and Molecular Biology |
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