The Italian Carciofo di Paestum () PGI, an artichoke variety from the Campania region, was investigated for its potential to reuse by-products for food supplements. EtOH:HO 50:50 and 75:25 extracts of its leaves were analyzed for phenolic and flavonoid content and antioxidant activity (TEAC: 1.90 and 1.
View Article and Find Full Text PDFL. cultivar platypus leaves are identified as a functional food due to their nutrient composition which promotes health beyond basic nutrition. Considering the increasing use of food supplements, baby leaves have been extracted by maceration, solid-liquid dynamic extraction (SLDE)-Naviglio, and ultrasound-assisted extraction (UAE) using EtOH and EtOH:HO mixtures.
View Article and Find Full Text PDFWithania somnifera L. (Solanaceae), for over 3000 years, has been considered an essential herb in Ayurvedic medicine. The roots of W.
View Article and Find Full Text PDFFitoterapia
July 2024
The pomegranate ( L.) market has steadily grown due to the increasing demand of health-conscious consumers of products with health-promoting effects. Recently, a growing interest in developing ecological and environmentally friendly extraction methods has led to investigating extraction procedures to obtain a higher extraction yield using a lower amount of solvents and energy.
View Article and Find Full Text PDFis an endemic plant from the Lamiaceae family, growing in the Zagros mountain range in Iran. Even if is reported to possess many biological activities, little is known about its chemical composition. For this reason, in the present research, a phytochemical investigation of this species was carried out.
View Article and Find Full Text PDFNuclear factor erythroid 2-related factor 2 (Nrf2) pathway activation promotes the expression of antioxidant enzymes in response to rising oxidative stress, resulting in reactive oxygen species (ROS) detoxification and playing a central role in the maintenance of intracellular redox homeostasis and regulation of inflammation. Moreover, the biological effects of Nrf2 pathway activation contribute to reducing apoptosis and enhancing cell survival. The activity of Nrf2 is negatively regulated by Kelch-like ECH-associated protein 1 (Keap1).
View Article and Find Full Text PDFThe application of metabolomics to the study of plants is growing because of the current development of analytical techniques. The most commonly used analytical technology driving plant metabolomics studies is Mass Spectrometry (MS) coupled to liquid chromatography (LC). In recent years, Nuclear Magnetic Resonance (NMR) spectroscopy, not requiring a previous chromatographic separation, has been receiving growing attention for metabolite fingerprinting of natural extracts.
View Article and Find Full Text PDFThe common hazel plant ( L., Betulaceae) is one of the most popular tree nuts widespread in Europe and Asia. In Italy, there are different cultivars among which the cultivar affording the valuable hazelnut "Tonda Gentile Trilobata," also known as "Tonda Gentile delle Langhe," covered by the Protected Geographical Indication (PGI) label "Nocciola Piemonte" (NP), known for its sweetness, cooked-bread aroma, and the low intensity of the burnt aroma.
View Article and Find Full Text PDFCurrently, the interest of consumers towards functional foods as source of bioactive compounds is increasing. The sprouts of var (Brassicaceae) are "microgreens" popular, especially in gourmet cuisine, for their appealing aspect and piquant flavour. They represent a functional food due to their high nutritional value and health-promoting effects.
View Article and Find Full Text PDFis a perennial and aromatic plant widely distributed in the Baluchestan region of Iran. Phytochemical analysis of a -hexane extract of roots, guided by an analytical approach based on LC-ESI/LTQOrbitrap/MS/MS, yielded six previously undescribed diterpenoid compounds (, -, , and ), and 19 known diterpenoids, for which the structures were elucidated by 1D and 2D NMR experiments. Some of the isolated compounds showed significant anti-inflammatory activity using J774A.
View Article and Find Full Text PDFFinger lime is receiving growing attention as an ingredient of gastronomic preparations of haute cuisine for its delicious flavor and fragrance and for its appealing aspect. Volatile compounds play a crucial role in determining the organoleptic characteristics of the fruit and its pleasantness for consumers. The aim of the present study was to investigate the volatile profiles by headspace solid phase micro-extraction (HS-SPME) coupled to gas chromatography-mass spectrometry (GC-MS) in the peel and, for the first time, in the pulp of three Australian finger lime cultivars grown in Sicily (southern Italy): Pink Pearl, Sanguinea, and Faustrime, allowing to overall identify 84 volatile organic compounds (VOCs).
View Article and Find Full Text PDFL., a milkweed tropical plant belonging to the family Asclepiadaceae, is a rich source of unusual cardiac glycosides, characterised by transfused A/B rings and a sugar moiety linked by a double link, generating a dioxanoid structure. In the present report, five cardenolides isolated from the aerial parts of the plant (calactin, calotropin, 12β-hydroxycalactin, 12β,6'-dihydroxycalotropin, and 16α-hydroxycalotropin) were investigated for their biological effects on a human hepatocarcinoma cell line.
View Article and Find Full Text PDFMangosteen (Garcinia mangostana L.), known as "the queen of fruits", is one of the most praised tropical fruit due to its delicious taste. In the last years, the use of mangosteen in functional products has been increasing, mainly in food beverages and nutraceutical formulations due to its biological activities related to the content of xanthones.
View Article and Find Full Text PDFhard shells, green leafy involucres, leaves, and male flowers have shown to be a source of diarylheptanoids, a class of natural products with promising biological activities. Cyclic diarylheptanoids, named giffonins, were isolated from the Italian cultivar "Tonda di Giffoni." Even if many efforts have been made to establish the chemistry of these compounds, little is known about their biological properties.
View Article and Find Full Text PDFMelanoma is a highly malignant solid tumor characterized by an elevated growth and propagation rate. Since, often, melanoma treatment cannot prevent recurrences and the appearance of metastasis, new anti-melanoma agents need to be discovered. roots are a source of diterpenoid derivatives, natural compounds with several biological activities, including antiproliferative and anticancer effects.
View Article and Find Full Text PDFThe fruit of (mangosteen) is known in ancient traditional Asian medicine for its antioxidant, anti-inflammatory, immunomodulatory and anticancer activities. These effects are mainly due to the action of polyphenols known as xanthones, which are contained in the pericarp of the fruit. In recent years, there has been a growing interest from pharmaceutical companies in formulating new topicals based on mangosteen full extracts to prevent skin aging.
View Article and Find Full Text PDFis a medicinal plant from the Mediterranean area, widely used in traditional medicine for its anti-inflammatory, antibacterial and antioxidant properties and for its preventive effects on microcirculation diseases. Due to these properties, it finds large applications in cosmetic, food and pharmaceutical fields. Additionally, hydroalcoholic extracts and mother tinctures based on represent products with a high commercial value, widely distributed not only in drug stores but also on on-line markets.
View Article and Find Full Text PDFRuiz and Pav., known as the 'Gold of the Incas' or 'lucuma', is a subtropical fruit belonging to the Sapotaceae family, with a very sweet flavor, used to prepare cakes, ice creams as well as in the baking and dairy industries. To date, the content of primary metabolites is known, but little information is reported about the composition in specialized metabolites.
View Article and Find Full Text PDFWith the aim to explore the ability of diarylheptanoids to reduce oxidative changes in human plasma proteins, a phytochemical investigation of the MeOH extract of leaves was perfomed. Analysis by LC-ESI/LTQOrbitrap/MS/MS guided the isolation of two new diarylheptanoid derivatives, giffonins W () and X (). The structures and were assigned by analysis of NMR data combined with a QM (quantum mechanical)/NMR approach.
View Article and Find Full Text PDFis a perennial and aromatic plant distributed in the Baluchestan region of Iran. In the present work, an -hexane extract of aerial parts showed excellent capabilities to both inhibit the formation of biofilms by different Gram-positive and Gram-negative pathogens and block the cell metabolism within microbial biofilms. To correlate the activity of the extract with the biologically active compounds present, first an analytical approach based on LC-HRMS/MS was carried out.
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