期刊
BIORESEARCH OPEN ACCESS
卷 9, 期 1, 页码 229-242出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/biores.2020.0015
关键词
antioxidants; free radicals; cell culture; oxidative stress
In response to the constantly growing demand for high quality cosmetics we observe an increasing interest in products containing natural plant extracts. This article attempts to assess the antioxidant and cytotoxic properties of extracts from alfalfa herb and seeds (Medicago sativa L.). These extracts were obtained using ultrasound-assisted extraction method. The research was carried out on two cell lines: fibroblasts and keratinocytes. The obtained results show that the examined extracts from M. sativa L. are a source of valuable biologically active agents. Both extracts were characterized by high content of flavonoids and phenolic compounds. Evaluation of antioxidant properties of extracts using DPPH center dot radical indicated that the alfalfa extracts can efficiently scavenge free radicals. The results of the conducted experiments demonstrated that the M. sativa L. extracts do not only have an inhibitory effect on free radicals existing in the external environment of the cell, but also have the ability to reduce the intracellular reactive oxygen species level, which may contribute to the reduction of oxidative stress inside the cells. Studies performed using cell lines indicated that the tested extracts increase the proliferation and metabolism of skin cells in vitro. The high antioxidant capacity of M. sativa L. extracts may indicate its potential use as a valuable ingredient in the cosmetics and pharmaceutical industries.
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