Articles

EFFECT OF UV-C RADIATION ON BIOCHEMICAL CHANGES OF LONGKONG (AGLAIA DOOKKOO GRIFF.) AFTER HARVESTING

Article number
875_15
Pages
133 – 136
Language
English
Abstract
The UV-C irradiation 0 (control), 3.6, 5.4 and 7.2 kJ/m2 on phenolic content, polyphenol oxidase (PPO) and phenylalanine ammonia lyase (PAL) of longkong (Aglaia dookkoo Griff.) at 25°C was determined.
UV-C irradiation at 3.6 and 5.4 kJ/m2 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/m2.

Publication
Authors
S. Kaewsuksaeng, C. Techavuthiporn, Y. Sornwisai
Keywords
polyphenol oxidase, phenylalanine ammonia lyase, longkong, UV-C
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