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아까시재목버섯이 옻나무 껍질의 urushiol 제거에 미치는 영향

Effect of Perenniporia fraxinea on Eliminating Urushiol from Rhus verniciflua Stokes Stem Bark

한국균학회지 2019년 47권 4호 p.347 ~ 357
이지현 ( Lee Ji-Hyun ) - 농촌진흥청 국립농업과학원

정석태 ( Jeong Seok-Tae ) - 농촌진흥청 국립농업과학원
강지은 ( Kang Ji-Eun ) - 농촌진흥청 국립농업과학원
최한석 ( Choi Han-Seok ) - 한국농수산대학 농수산가공학과

Abstract


This study evaluated the raw materials for spawning Perenniporia fraxinea, to eliminate urushiol. The growth rates of spawns on grains of millet, brown rice, and wheat were 4.92±0.05, 2.20±0.03, and 1.93±0.03 mm/day, respectively, and the laccase activity was 0.86±0.02, 0.04±0.01, and 0.01±0.00 U/mL, respectively. These observations revealed millet as the most appropriate grain for spawn production in terms of growth rate and enzyme activity. Inoculation of lacquer tree (Rhus verniciflua Stokes) stem bark with millet spawns of P. fraxinea resulted in a reduction of its urushiol contents, up to 86.6% on the third day and up to 98.5% on the seventh day. The optimal period of cultivation to eliminate urushiol was three days with 68% of residual flavonoids and 42% of phenolic components. When compared to the product cultivated from liquid spawn, the millet spawn reduced the cultivation period from 10 days to 3 days for eliminating urushiol.

키워드

Grain spawn; Perenniporia fraxinea; Rhus verniciflua; Urushiol
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