نتایج جستجو برای: cold maceration
تعداد نتایج: 106910 فیلتر نتایج به سال:
A comparative antifungal efficacy study of argan kernels was performed using different solvent fractions obtained by the two extraction methods: cold maceration at room temperature (1) and hot Soxhlet apparatus (2). Results demonstrated that methods induce yields among each used. Maceration promoted maximum contents crude extract in hexane (42.15%), diethyl ether (2.59%), dichloromethane (4.22%...
Various extraction techniques were applied in the extraction of the biologically active constituents. The methods employed were traditional maceration extraction, microwave-assisted extraction(MAE), and ultrasound extraction (UE). Compared to the maceration extraction, MAE and UE methods provided high extraction yield, requiring short time frames and less labour. Microwave irradiation is a prov...
In the present study, the phenolic (Folin-Dennis) and flavonoid (colorimetric assay) constituents, antioxidant [2,2-diphenyl-2-picrylhydrazyl hydrate (DPPH) assay] and cytotoxic activities of an aqueous extract (AE) of Centella asiatica leaves were investigated. The aqueous extract (50 g/L) was obtained by infusion followed by cold maceration for 24 h. The levels of phenolic and flavonoid compo...
Anaphalis neelgerriana DC and Cnicus wallichi DC belonging to the family Asteraceae (Compositae) are important medicinal plants indigenous to Nilgiris. Since the related species Anaphalis morrisonicola and Cnicus benedictus were reported for its anti cancer activities, the above mentioned plants were screened for Invitro antioxidant activity. In vitro antioxidant studies were carried out by DPP...
Justicia tranquibariensis a native of India and many other tropical regions is a common garden plant that has been used traditionally for treatment of a number of diseases. In the current study the hydro-alcoholic extract of the roots of the plant have been tested for anticancer activity. The extract was prepared by cold maceration method, hydroalcohol was the solvent used. The in-vitro antican...
Maceration and evening-cutting are 2 forage management techniques that have independently improved forage quality and nutrient utilization in ruminants, but have not been evaluated in combination. Using a dual-flow continuous culture fermenter system, this preliminary study was designed to evaluate the individual and combined effects of time of cutting and maceration on in vitro ruminal digesti...
Various strength of alcohol were utilized for the preparation of tincture of asparagus racemosus roots by maceration for 7, 14 and 21 days. 50% (V/V) alcohol after 21 days of maceration showed maximum yield of total solid. The tinctures were evaluated by studying their different physico-chemical characteristics along with thin-Layer chromatography.
Different strength of alcohol 40.50,60,70,80,90 per cent (v/v) and absolute were utilized for the preparation of tincture of azadirachta Indica A. Juss leaves by maceration for 7, 14,21 days. 60 per cent tincture produced after 21 says of maceration showed a maximum solid content of 1.425 per cent (v/v) and sowed pH 3.15. This tincture was characterized by studying is various physico-chmicla pr...
Red wines produced in warm climates generally possess a lower content of phenolic compounds and color structure than those colder climates, which hinders bottle evolution. To improve these properties, cold maceration could be useful procedure. study the effect this technique, Tempranillo, Merlot Syrah grape varieties cultivated Jerez area (Southwest Spain) were macerated at 4 °C for ten days be...
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