The objective of this study was to model the efficacy of betel leaf (Piper betle L.) essential oil (BLEO) on germination of Aspergillus flavus and Penicillium expansum spore population. Experimental data of rate of spore germination under the influence of the range (0.1–1.5 μl/ml) of BLEO concentration were fitted to the asymmetric model, and the germination time parameter was estimated with satisfactory statistical indices (RMSE and R²). The secondary modelling of germination time as a function of BLEO using the reciprocal of re-parameterized Monod-type equation estimated minimum inhibitory concentration 0.65 and 0.54 μl/ml of BLEO for spore germination of A. flavus and P. expansum, respectively. The accuracy and bias factor of the fitted secondary model suggested good similarity between observed and estimated germination time values under the influence of BLEO for both selected moulds. It can be concluded that the asymmetric model and the re-parameterized Monod-type model could describe the inhibitory pattern of the essential oil against two selected predominant food spoilage moulds. The antifungal activity also suggests the potential of BLEO as natural antimicrobials.

这项研究的目的是模拟槟榔叶（Piper betle L.）精油（BLEO）对黄曲霉和扩张青霉孢子种群萌发的功效。在不对称模型上拟合了受BLEO浓度范围（0.1–1.5μl/ ml）影响的孢子萌发速率的实验数据，并用令人满意的统计指标（RMSE和R ²）估算了发芽时间参数。使用重新参数化的Monod型方程的倒数对发芽时间作为BLEO的函数进行二次建模，估算出其对黄曲霉和扩张假单胞菌的孢子萌发的最小抑菌浓度为0.65和0.54μl/ ml 。， 分别。拟合的二次模型的准确性和偏倚因子表明，在两个选定模具的BLEO影响下，观察到的和估计的萌发时间值之间都具有良好的相似性。可以得出结论，不对称模型和重新参数化的Monod型模型可以描述精油对两种选定的主要食物腐败霉菌的抑制模式。抗真菌活性还表明，BLEO具有作为天然抗菌剂的潜力。