Journal
PLANTS-BASEL
Volume 12, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/plants12061211
Keywords
chamomile; microwave-assisted extraction; ANN; UHPLC-LTQ-Orbitrap; enyzme-inhibition activity; antioxidant activity
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Chamomile is widely used as a medicinal plant and its optimal extraction conditions were determined using an artificial neural network model. The optimized conditions included a solid-to-solvent ratio of 1:80, microwave power of 400 W, and extraction time of 30 min. The extract obtained under these conditions had a rich composition and high biological activity, and showed potential as a growth medium for probiotics. This study contributes to the improvement of extraction techniques using modern statistical designs and modeling.
Chamomile is one of the most consumed medicinal plants worldwide. Various chamomile preparations are widely used in various branches of both traditional and modern pharmacy. However, in order to obtain an extract with a high content of the desired components, it is necessary to optimize key extraction parameters. In the present study, optimization of process parameters was performed using the artificial neural networks (ANN) model using a solid-to-solvent ratio, microwave power and time as inputs, while the outputs were the yield of the total phenolic compounds (TPC). Optimized extraction conditions were as follows: a solid-to-solvent ratio of 1:80, microwave power of 400 W, extraction time of 30 min. ANN predicted the content of the total phenolic compounds, which was later experimentally confirmed. The extract obtained under optimal conditions was characterized by rich composition and high biological activity. Additionally, chamomile extract showed promising properties as growth media for probiotics. The study could make a valuable scientific contribution to the application of modern statistical designs and modelling to improve extraction techniques.
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