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  • Title: Antiproliferative potential and phenolic compounds of infusions and essential oil of chamomile cultivated with homeopathy.
    Author: Ubessi C, Tedesco SB, de Bona da Silva C, Baldoni M, Krysczun DK, Heinzmann BM, Rosa IA, Mori NC.
    Journal: J Ethnopharmacol; 2019 Jul 15; 239():111907. PubMed ID: 31029759.
    Abstract:
    ETHNOPHARMACOLOGICAL RELEVANCE: Chamomilla recutita (Asteraceae) is used worldwide as a soothing, anti-inflammatory and aromatherapy. In Brazil, it is one of the most cultivated medicinal species. However, the cultivation form may alter the production of compounds in the secondary metabolism and compromise the therapeutic purpose of this species. AIM OF THE STUDY: Evaluation of antiproliferative and genotoxic effects of infusions and essential oil of chamomile, cultivated with homeopathy, on the cell cycle of Allium cepa, as well as the determination of the phenolic compounds present in the infusions of the chamomile inflorescences. MATERIAL AND METHODS: For the Allium cepa test, two concentrations of 10 and 40 g L-1 of inflorescences of chamomile were used for the preparation of the infusions and essential oil diluted to 0.10%, referring to the six treatments obtained in field cultivation, in which were carried out the applications of homeopathy from the emergence to the harvest of the plants. Distilled water and ethanol were used as negative control and glyphosate 2% as a positive control. The determination of phenolic compounds present in the infusions was carried by liquid chromatography in a UHPLC apparatus. RESULTS: Chamomile infusions at concentrations of 10 and 40 g L-1 of inflorescence reduced mitotic index and emphasized antiproliferative activity on the cell cycle of Allium cepa. However, the treatments related to essential oil diluted to 0.10% showed a response variation dependent on the dynamization used, as well as for apigenin concentration. CONCLUSIONS: Therefore, cultivation with homeopathy does not induce a genotoxic effect in the use of infusions and essential oil of chamomile and it emphasize antiproliferative activity on the cell cycle of Allium cepa, favoring the sustainable cultivation and the safe use of this medicinal species when cultivated with homeopathy.
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