Patulin distribution in Fuji and Golden apples contaminated with Penicillium expansum
Patulin distribution in Fuji and Golden apples contaminated with Penicillium expansum
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DOI：
10.1080/02652030600887610
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发表时间：
2006-12-01
期刊：
影响因子：
--
通讯作者：
Sanchis, V.
中科院分区：
文献类型：
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作者：
Marin, S.;Morales, H.;Sanchis, V.
这项工作评估展青霉素污染的程度在扩展青霉感染的苹果储存在室温下短时间内，其与苹果品种（黄金或富士），成熟度和病变的大小的关系。接种的苹果在20 ℃下孵育。从病变周围取圆柱形样品并切成0.5厘米厚的切片，在健康和腐烂的组织中测定展青霉素。金苹果中棒曲霉素的积累较高，成熟度较低的苹果中棒曲霉素的浓度较高。总积累的展青霉素是相似的或更高的4厘米相比，2厘米病变的苹果，虽然展青霉素浓度下降，观察到在较老的病变部分。棒曲霉素在室温下短时间内积累，因此应尽量减少加工前的等待时间。其中约有2-6%的棒曲霉素向周围完好组织迁移，因此，修剪腐烂部位周围的组织是苹果衍生物生产中一种很好的预防措施。
This work assesses the extent of patulin contamination in Penicillium expansum-infected apples stored at room temperature for short periods of time and its relationship with apple variety (Golden or Fuji), degree of ripeness and size of lesions. Inoculated apples were incubated at 20 degrees C. Patulin was determined in both sound and decayed tissue from cylindrical samples taken around the lesions and cut into 0.5-cm thick sections. Higher accumulation of patulin occurred in Golden apples, with less ripened apples showing higher concentrations. Total accumulated patulin was similar or higher in 4-cm compared to 2-cm lesioned apples, although a decrease in patulin concentration was observed in older lesion sections. Patulin accumulation occurred over a short period of time at room temperature, thus the stand-by period before processing should be minimised. Of total patulin, 2-6% migrated to the surrounding sound tissue, thus trimming tissue around the rotten part may be a good preventive practice for apple derivative production.