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首页> 外文期刊>The Journal of Horticultural Science & Biotechnology >Control of Penicillium decay on citrus fruit using essential oil vapours of thyme or clove inside polyethylene and nano-clay polyethylene films.
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Control of Penicillium decay on citrus fruit using essential oil vapours of thyme or clove inside polyethylene and nano-clay polyethylene films.

机译：利用百里香或丁香的挥发油蒸气在聚乙烯和纳米粘土聚乙烯薄膜内部控制柑橘类水果上的青霉菌衰变。

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摘要

The activity of some essential oils against the common citrus moulds, Penicillium digitatum and P. italicum, was evaluated through in vitro and in vivo experiments. Direct contact and vapour phase methods were used to test the anti-fungal activities of four essential oils. Thyme and clove oils inhibited the growth of P. digitatum and P. italicum completely when added to the culture medium at 600 micro l l-1, or by using their volatiles at 24 micro l per 8 cm-diameter Petri dish. Sage and fennel oils did not show any inhibitory activity against either fungus. In in vivo experiments, direct contact using thyme or clove oil at 200, 400, or 600 micro l l-1 at two temperatures (25 degrees C or 7 degrees C) had no inhibitory activity against either fungus. Conversely, in vapour phase experiments at 25 degrees C, thyme or clove oil at 100, 200, 400, or 800 micro l l-1 applied to the outer surface of oranges in polyethylene film bags (HD00H and HD75L) effectively reduced both diseases. HD75L film (polyethylene with nano-clay particles) appeared to be more effective than HT00H film (polyethylene without nano-clay particles). However, a sensory evaluation experiment indicated that HD75L film altered the taste of fruit, substantially, compared to HD00H film and that this effect was correlated with oil concentration.
机译：某些精油对普通柑桔霉菌 digiticiumdigitdigit 和 P的活性。 Italicum 是通过体外和体内实验进行评估的。使用直接接触和气相方法测试了四种精油的抗真菌活性。百里香和丁香油抑制了iP的生长。指骨和 P。当将其以600微升 -1 的浓度添加到培养基中时，或将其挥发物以每8厘米直径的培养皿24微升使用时，完全溶解。鼠尾草和茴香油对任何一种真菌均未显示任何抑制活性。在体内实验中，在两个温度（25摄氏度或7摄氏度）下，使用百里香或丁香油在200、400或600 micro ll -1 的直接接触下，对任何一种真菌均无抑制活性。相反，在25°C的气相实验中，将百里香或丁香油分别以100、200、400或800 micro ll -1 施加到聚乙烯薄膜袋中的橙子的外表面（HD00H和HD75L ）有效地减少了这两种疾病。 HD75L膜（带有纳米粘土颗粒的聚乙烯）似乎比HT00H膜（没有纳米粘土颗粒的聚乙烯）更有效。然而，感官评估实验表明，与HD00H膜相比，HD75L膜实质上改变了水果的味道，并且这种影响与油浓度相关。

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