The Effect of Pre-Harvest Treatments with <i>Tanacetum vulgare</i> L. and <i>Satureja montana</i> L. Essential Oils (EOs) on the Yield and Chemical Composition of <i>Aronia melanocarpa</i> (Michx.) Elliot Fruit
2023
Edyta Górska-Drabik | Katarzyna Golan | Izabela Kot | Katarzyna Kmieć | Monika Poniewozik | Katarzyna Dzida | Andrzej Bochniak
<i>Tanacetum vulgare</i> and <i>Satureja montana</i> essential oils (EOs) on <i>Aronia melanocarpa</i> before the flowering period were used against <i>Acrobasis advenella</i>. We hypothesised that the use of the aforementioned EOs (1.5%, 3% and 4.5%) would simultaneously improve yield and fruit quality. The profile of the EO constituents was determined by GC-MS analysis. Thujone (66.62%) was identified as the most abundant component in tansy EO, while thymol (40.04%) was dominant in savory EO. The mean weight of 100 berries ranged from 82.40 g to 88.00 g. A loss in fruit weight was recorded after the addition of 4.5% <i>S. montana</i> EO. <i>A. melanocarpa</i> shrubs treated with 4.5% tansy EO showed the highest content of phenols (848.03 mg per 100 g FW), along with high levels of anthocyanins (310.19 mg/100 g), tannins (1884 mg/100 g) and chlorogenic acid (187.38 mg/100 g) but exerted negative effects on the mineral fruit content (Mg, K). <i>T. vulgare</i> oil, particularly at higher concentrations, has shown promise for increasing the content of valuable compounds with strong antioxidant properties. The application of <i>S. montana</i> EOs positively affected minerals and chlorogenic acid content. However, their phytotoxic effects on <i>A. melanocarpa</i> preclude them from further use, even at low concentrations.
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