Butanol extracts from Malus meliana leaf, which had antifungal activity, have been separated and identified.
对有防霉效果的尖嘴林檎叶提取液进行分离与鉴定，结果表明：单宁和皂苷是尖嘴林檎抑菌的主要成分，将这类物质应用于食品防霉试验，能明显延长食品保质期。
