With increasing of fruit maturity, the C6-C12 lactonic compounds, particularly γ-and δ-lactones became the dominant volatile constituents, which increased significantly at the climacteric stage. 呼吸速率较高。到跃变阶段C6-C12的内酯类物质明显增加,尤其是γ-和δ-内酯类成为果实主要的香气挥发性物质。