Hemerocallis plants are important vegetables with nutritional and health value, especially in eastern Asia, where they have been used as medicines to cure disease such as depression and inflammation for thousands of years. The present study concerns the determination of flavonoids and phenolic acids, as well as antioxidant, anti-collagenase, anti-elastase, anti-tyrosinase and antimicrobial properties of taxa cultivated in Poland. For chemical composition estimation, LC-ESI-MS/MS analysis and spectrophotometric assays were performed. The results show the presence of sixteen compounds in all analyzed species. Among the investigated cultivars, it was found that H. “Chicago Apache” and H. fulva var. kwanso have the highest total phenolic acid and flavonoid content. The most abundant compounds in all analyzed extracts were chlorogenic acid (209.8 to 1010.0 µg/g of DE) and quercetin-3-O-rutinoside (114.7 to 1049.7 µg/g of DE). The studied extracts exhibited moderate to high skin-related activities. These properties were correlated with a high concentration of polyphenols. The present study demonstrated that Hemerocallis cultivars contain significant amounts of phenolic compounds with good skin-related activities and could be interesting as novel sources of bioactive agents for the pharmaceutical, food and cosmetic industries.

中文翻译：

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不同萱草品种空中部分提取物的酚类成分和皮肤相关特性。

萱草植物是具有营养和健康价值的重要蔬菜，尤其是在东亚，数千年来，它们一直被用作治疗诸如抑郁症和发炎等疾病的药物。本研究涉及在波兰种植的分类单元的类黄酮和酚酸的测定，以及抗氧化剂，抗胶原酶，抗弹性蛋白酶，抗酪氨酸酶和抗菌特性的测定。为了进行化学成分估算，执行了LC-ESI-MS / MS分析和分光光度法。结果表明，所有分析物种中均存在16种化合物。在被调查的品种，发现H. “芝加哥阿帕奇”和H.萱草变种。宽索总酚酸和类黄酮含量最高。在所有分析的提取物中，最丰富的化合物是绿原酸（209.8至1010.0 µg / g的DE）和槲皮素-3 - O-芸香苷（114.7至1049.7 µg / g的DE）。研究的提取物表现出中等至高的皮肤相关活性。这些性质与高浓度的多酚有关。本研究表明萱草栽培品种包含大量的酚类化合物，具有良好的皮肤相关活性，作为制药，食品和化妆品工业中生物活性剂的新来源可能令人感兴趣。