Abstract
Alcea nudiflora (Lindl.) Boiss. (Malvaceae) has a wide area of growth in Central Asia, the Altai territory and Western Siberia and has long been used in folk and traditional medicine. Availability of the resource and long-term application practice makes Alcea nudiflora a promising source of valuable biologically active natural compounds. The chemical composition of A nudiflora has been studied after effective microwave assisted extraction (MAE) performed using solvents with different ability to convert microwave energy into heat: hexane, ethyl acetate, methyl tert-butyl ether (MTBE) and ethyl alcohol (EtOH). The selected MAE conditions enabled us to reduce significantly the extraction time and obtain extracts enriched with new compounds. The chemical composition of aboveground part extracts of Alcea nudiflora (Lindl.) Boiss was studied by applying GC/MS method. 13 acids were discovered for the first time, including 6 aromatic acids and 7 unbranched monobasic acids of unsaturated and saturated series, as well as 11 new neutral compounds, including 7 naphthalene derivatives.
Highlights
Низкомолекулярные соединенияУДК 54.056; 54-79; 543.51 НОВЫЕ КОМПОНЕНТЫ ЭКСТРАКТА ALCEA NUDIFLORA ПОСЛЕ МИКРОВОЛНОВОЙ ЭКСТРАКЦИИ*
Род Alcea семейства Malvaceae насчитывает 77 видов, из которых в России произрастают A. nudiflora, A. kusariensis, A. taurica, A. rosea L. [1,2,3]
The chemical composition of aboveground part extracts of Alcea nudiflora (Lindl.) Boiss was studied by applying GC/MS method. 13 acids were discovered for the first time, including 6 aromatic acids and 7 unbranched monobasic acids of unsaturated and saturated series, as well as 11 new neutral compounds, including 7 naphthalene derivatives
Summary
УДК 54.056; 54-79; 543.51 НОВЫЕ КОМПОНЕНТЫ ЭКСТРАКТА ALCEA NUDIFLORA ПОСЛЕ МИКРОВОЛНОВОЙ ЭКСТРАКЦИИ*. Семейства Malvaceae имеет широкий ареал произрастания в Средней Азии, Алтайском крае и Западной Сибири и издавна используется в народной и традиционной медицине. Наличие ресурса и многолетняя практика применения делают Alcea nudiflora перспективным источником ценных биологически активных природных соединений. Методом ГХ/МС изучен химический состав экстрактов надземной части Alcea nudiflora (Lindl.) Boiss. Ключевые слова: Alcea nudiflora (Lindl.) Boiss., новые ароматические и алифатические карбоновые кислоты, нафталины, микроволновая экстракция, ГХ/МС. Несмотря на доступность ресурса и многолетнюю практику применения, это растение не входит в Фармакопею и не используется как официнальное лекарственное растительное сырье, а исследование химического состава вида A. nudiflora (Lindl.) Boiss. Цель настоящей работы – исследование химического состава A. nudiflora после использования современной эффективной микроволновой экстракции
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