Search results for "Essential"

Unfavourable interaction of microalbuminuria and mildly reduced creatinine clearance on aortic stiffness in essential hypertension

2010

The aim of our study was to assess the independent relationships of urinary albumin excretion rate (AER), of creatinine clearance (CrCl) and of their interaction with aortic stiffness in hypertensive patients without overt renal insufficiency. We studied 222 untreated nondiabetic essential hypertensives. In patients with reliable 24-h urine collections, AER and CrCl were determined. Microalbuminuria (MAU) was defined as an AER of 20 to 200microg/min. Aortic stiffness was assessed by measurement of carotid-femoral pulse wave velocity (c-f PWV). C-f PWV was higher in subjects with MAU than in those without it (p<0.001, even after adjustment for age, sex and mean arterial pressure) and in subj…

Active packaging films with natural antioxidants to be used in meat industry: A review.

2018

Spoilage of meat products during processing, distribution and exposure in the markets have an important negative impact on meat industry from an economic point of view. Two of the main problems of meat and products during processing and subsequent storage are lipid oxidation and deterioration due to microorganism growth. In this context, several packaging alternatives have been developed by meat industry in order to limit these losses and to extend the meat products´ shelf life. Over the last years, the use of active packaging has been proposed as an alternative to traditional packaging. The principle of active packaging, particularly antioxidant active packaging, consists of including acti…

The chemical composition of the flowers essential oil of Inula crithmoides (Asteraceae) growing in aeolian islands, Sicily (Italy) and its biocide pr…

2021

Essential oils have been used for a long time in several fields of interest. Recently, they have also been applied in the conservation of Cultural Heritage to contrast biodeterioration replacing the most current biocides toxic for humans and environment. Inula crithmoides L. (syn. Limbarda crithmoides (L.) Dumort) is a halophyte species distributed along the Mediterranean coasts and it is used as an edible vegetable since the young leaves or shoots are eaten raw or cooked. Several biological properties have been determined for this plant including antimicrobial activities. In this study the volatile composition of the aerial part of an accession from the Aeolian Islands, Sicily (Italy) is d…

Variations in the Volatile Compounds of a Fennel (Foeniculum VulgareMill.) Variety Grown in a Semi-Arid Mediterranean Environment

2005

Abstract Fennel is an industrial source of anethole but, recently, further interest has came from the suggested possibility of many industrial uses of this plant.The volatile substances from the seeds of Fennel grown in Sparacia (Cammarata – AG – Sicily; 37° 38’ N; 13° 46’ E) have been investigated and compared on a statistical base with previously reported data. The variety grown in Sparacia fall into the “high fenchone” chemovariety. The substances α-toluene, α-terpinene, β-phellandrene+limonene and camphene appear the components most sensitive to environment and grow condition modifications.

Extraction of bioactive compounds and essential oils from mediterranean herbs by conventional and green innovative techniques: A review

2018

International audience; Market interest in aromatic plants from the Mediterranean is continuously growing mainly due to their medicinal and bioactive compounds (BACs) with other valuable constituents from essential oils (EOs). From ancient times, these plants have been important condiments for traditional Mediterranean cuisine and remedies in folk medicine. Nowadays, they are considered as important factors for food quality and safety, due to prevention of various deteriorative factors like oxidations and microbial spoilage. EOs have different therapeutic benefits (e.g. antioxidant, anti-inflammatory, antimicrobial, and antifungal), while BACs mostly affect nutritive, chemical, microbiologi…

EFFECTS OF DIFFERENT WEED CONTROL PRACTICES ON SOIL QUALITY IN MEDITERRANEAN CROPS

2017

Effects of different weed control practices on soil quality in mediterranean crops This research approaches the question of weed control sustainability, from the point of view of soil quality maintenance and enhancing. A big choice of practices and products for weed control are available nowadays, but the actual definition of "sustainable practice" not always considers soil fertility. Soil processes timescale is wider than the productive, commercial and legislative ones. Also the definition of survey protocols is a process slower than the evolution of weed control methods. The faster reaction in the soil ecosystem after an external pressure is given by the organisms living in it, and the mi…

The chemical composition of the essential oil of Ptilostemon gnaphaloides subsp. pseudofruticosus (Asteraceae) growing in Kythira Island, Greece

2021

Ptilostemon is a small genus of the subtribe Carduinae (Asteraceae) that includes 15 species as annual or perennial herbs or small shrubs, spread in the Mediterranean arch, from Crimea and Turkey to the Iberian Peninsula and Morocco. Several species of this genus have been studied for the content of non-volatile metabolites whereas few investigations have been carried out on their essential oils. In the present study the chemical composition of the essential oil from aerial parts of Ptilostemon gnaphaloides subsp. pseudofruticosus, belonging to Section Ptilostemon, endemic of South Greece and Turkey, and collected in the island of Kythira, was analyzed by GC-MS. The result showed the presen…

Exploitation of native Labiatae in Sicily

2006

The family Labiatae is extremely rich in genera and species, and many of them are native to Mediterranean environments. In Sicily, a great interest is devoted since ancient times to their cultivation and use, and they are traditionally used for a great deal of purposes, from cookery to phytotherapy. When their cultivation is addressed to their traditional purposes (as spices, savory herbs or herbal medicines), the major aspects of their cropping technique are well established. However, there are two many reason why their traditional cropping technique should be deeply reviewed. First, many of their productive steps (from sowing to harvest) require a great deal of manpower, and the enhanceme…

Relationships of different defintions of metabolic syndrome and left ventricular mass in essential hypertensive patients

2010

Studies on the antioxidant activity of the essential oil and extract of Tunisian Tetraclinis articulata (Vahl) Mast. (Cupressaceae).

2013

This study analyses the chemical composition and in vitro antioxidant activity of both the essential oil and the 80% aqueous acetone extract of Tetraclinis articulata leaves. The GC-MS analysis of the essential oil identified 66 components that comprise 93.5% of the oil. The major constituents of the oil are: bornyl acetate (31.4%), α-pinène (24.5%) and camphor (20.3%). Antioxidant activities of the samples were determined using four different test systems, namely DPPH, β-carotene/linoleic acid, reducing power and metal chelating activity assay. Test results from the DPPH system showed the strongest radical scavenging activity was exhibited by the 80% aqueous acetone extract (IC(50) = 5.5 µ…