Effect of UV-C Radiation on Biochemical Changes of Longkong (Aglaia dookkoo Griff.) after Harvesting

被引：0
|
作者：
Kaewsuksaeng, S. [1 ]
Techavuthiporn, C.
Sornwisai, Y. [1 ]
机构：
[1] Thaksin Univ, Fac Technol & Community Dev, Dept Agr Technol, Santa Barbara, CA 93110 USA
来源：
SOUTHEAST ASIA SYMPOSIUM ON QUALITY AND SAFETY OF FRESH AND FRESH-CUT PRODUCE | 2010年 / 875卷
关键词：
polyphenol oxidase; phenylalanine ammonia lyase; longkong; UV-C;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The UV-C irradiation 0 (control), 3.6, 5.4 and 7.2 kJ/m(2) on phenolic content, polyphenol oxidase (PPO) and phenylalanine ammonia lyase (PAL) of longkong (Aglaia dookkoo Griff.) at 25 degrees C was determined. UV-C irradiation at 3.6 and 5.4 kJ/m(2) effectively inhibited pericarp browning relative to the control. PPO activity correspondingly decrease resulting to reduced phenolic oxidation indicated by retention of higher phenolics content than that in control. PAL also decreased and may have contributed to the reduction of browning as the most effective of UV-C irradiation was 5.4 kJ/m(2).
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页码：133 / 136
页数：4
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