ideal conditions at the time of grinding of plant materials during phytochemical research


Antituberculosis activity, phytochemical identification of ...

Costus speciosus, Cymbopogon citratus, and Tabernaemontana coronaria are herbal plants traditionally used as remedies for symptoms of tuberculosis (TB) including cough. The aims of the present study were to evaluate the in vitro anti-TB activity of different solvent partitions of these plants, to identify the phytochemical compounds, and to assess the effects of the most active partitions on ...

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Phytochemical Analysis - Find and share research

According your goal of study in my work some phytochemical were detected from part of plant freashly collected in methanol then GC. while other required fresh or dry grinding material …

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A Review on the Extraction Methods Use in Medicinal Plants

Plants samples such as leaves, barks, roots, fruits and flowers can be extracte Other pre-preparation of plant materials such as grinding and drying also influences the preservation of phytochemicals in the final extracts. Fresh vs. dried samples: Both fresh and dried sample is used in medicinal plants studies.

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The impact of cultivation systems on the nutritional and ...

The aim of this study was to compare the nutritional and use value of berries grown in organic and conventional systems. The polyphenol content, …

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Phytochemical analysis and effects of Pteris vittata ...

The plant material was shade-dried followed by grinding to a powder. The powdered plant material (400 g) was extracted in methanol for 2 weeks. The process was repeated twice, the combined crude extract was filtered, and the filtrate dried using a vacuum rotary evaporator (Laborota 4000, Heidolph, Japan). LC–MS analysis of the extract. The ...

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Light, Temperature and Humidity - Ornamental Production ...

Light, Temperature and Humidity. Light is an essential factor in maintaining plants. The rate of growth and length of time a plant remains active is dependent on the amount of light it receives. Light energy is used in photosynthesis, the plant's most basic metabolic process. When determining the effect of light on plant growth there are ...

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Extraction methods used for extraction of anthocyanin: A ...

adopted and widely used in medicinal plants research. Maceration involved soaking plant materials (coarse or powdered) in a stoppered container with a solvent and allowed to stand at room temperature for a period of minimum 3 days with frequent agitation [Handa et al., 2008] [4]. . ~

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Phytochemical Screening & Biological Investigations of ...

The dried fruits were then ground to a coarse powder using high capacity grinding machine in the Phytochemical Research Laboratory, Faculty of Pharmacy, World University of Bangladesh (WUB). Extraction of the plant material: The powdered material (250gm) was taken in a cleaned, amber colored reagent bottle (5 liters) and soaked in 1.5L of methanol.

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Green solvents and technologies for oil extraction from ...

Grinding ruptures the cell constituents and releases the oil. In case of grinding, factors such as structural and chemical constituents of oilseed, initial moisture content are to be determined to make judicious choice either for wet or dry grinding . Generally, oleaginous material with high moisture content can ground in wet condition, whereas ...

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Problems Associated with the Efficacy Stability and ...

Cure For Tmj, Bruxing And Tooth Grinding. Latest Treatment of TMJ. Acid Reflux Remedy Report. Most Effective Heartburn Treatments. Gout Remedy Report. Latest Treatment of Gout. The Big Asthma Lie. Asthma Holistic Treatments. The Kidney Stone Removal Report. Natural Remedies for Kidney Stones.

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Frontiers | Qualitative and Quantitative Phytochemical ...

Sampling of plant material was carried out at the time of inoculation (0 h) and at 7, 13, 21, and 28 days after inoculation. Sample Preparation For the qualitative study, 0.10 g of freeze-dried (Christ Alpha 1-4 liophilizator, Braun, Melsungen, Germany) and ground hairy root culture was extracted with 5 ml 70% methanol using sonication for 30 ...

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4 Concrete Processing | Nonconventional Concrete ...

In Denmark, for example, the cement industry aims at producing a uniform cement strength at a specified age (e.g., 7 and 28 days). This is accomplished by intensive quality assurance efforts in feedstock production and through close attention to fineness, size distribution, and grinding temperature during the grinding process.

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PHYTOCHEMICAL EXTRACTION - SlideShare

Parameters for Selecting an Appropriate Extraction Method I. Authentication of plant material by botanist. II. Use the right plant part + the age of plant + the time, season & place of collection. III. The nature of its chemical constituents. IV. Grinding methods & powdering techniques. V. Nature of constituents (polar/nonpolar). VI.

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Isolation and Antimicrobial Activities of Phytochemicals ...

The widespread use of antimicrobial agents to treat infectious diseases has led to the emergence of antibiotic resistant pathogens. Plants have played a central role in combating many ailments in humans, and Parinari curatellifolia has been used for medicinal purposes. Seven extracts from P. curatellifolia leaves were prepared using serial exhaustive extraction of nonpolar to polar solvents.

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Effects of different drying methods on extractable ...

Based on overall results, hot air drying at 90 °C for 75 min was selected as the best conditions for drying lemon myrtle using hot air drying as these conditions retained higher levels of total phytochemical content, antioxidant property and individual compounds. This condition was also used for further comparison with other drying techniques ...

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Extraction of plant contituents - SlideShare

Aqueous Alcoholic Extraction by Fermentation It involves soaking the crude drug, in the form of either a powder or a decoction for a specified period of time, during which it undergoes fermentation and generates alcohol in situ; this facilitates the extraction of the active constituents contained in the plant material.

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Trichome Research Initiative — Frenchy Cannoli Brand

The research paper, The role of time and storage conditions on the composition of hashish and marijuana samples: A four-year study which assesses the degradation of cannabis flower and hashish in different "real life" storage conditions is instructive on the basic principles of storing. Oxygen, light, and temperature are the cause of ...

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The Identification of Medicinal Plants: A Handbook of the ...

Behind the scenes, it is also one of the world's most active centers for botanical systematic and floristic research, with about 150 full-time research staff who conduct field studies in dozens of countries every year. The Garden's mission is "To discover and share knowledge about plants and their environment, in order to preserve and enrich life".

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Techniques for extraction of bioactive compounds from ...

1. Introduction. The qualitative and quantitative studies of bioactive compounds from plant materials mostly rely on the selection of proper extraction method (Smith, 2003, Sasidharan et al., 2011).Extraction is the first step of any medicinal plant study, plays a significant and crucial role on the final result and outcome.

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Research Article Phytochemical Analysis of Some ...

Collection of Plant Materials Fresh plant samples were collected from three different zones i.e. Manapparai, Tiruchirappalli and Thuraiyur, Tiruchirappalli District, Tamilnadu, India during 2012 – 2013. Each plant sample was then air dried and milled to a coarse powder. Phytochemical screening Preliminary qualitative phytochemical screening

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Antioxidant Capacity Analysis of Blackberry Extracts with ...

High antioxidant capacity molecules, such as anthocyanins, occur naturally in blackberry (Rubus fruticosus). In particular, 'Dasha' blackberry cultivar has scarcely been studied and, it is becoming economically more important in Mexico. In this study, several blackberry extraction conditions, conferred different amounts of detectable phytochemical groups that in turn were analysed with a ...

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Techniques for extraction and isolation of natural ...

Increasing time will not affect the extraction after the equilibrium of the solute is reached inside and outside the solid material. The greater the solvent-to-solid ratio is, the higher the extraction yield is; however, a solvent-to-solid ratio that is too high will cause excessive extraction solvent and requires a long time for concentration.

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Blueberries and Their Anthocyanins: Factors Affecting ...

Some advanced processing methods like radiant zone drying, where drying takes place in consecutive drying zones of varying temperatures using radiant heaters (Chakraborty and others 2010), application of ultraviolet radiation type C (Perkins-Veazie and others 2008; Wang and others 2009), pasteurization techniques, steam blanching (Brambilla and others 2008), high-pressure application (Buckow ...

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Hypoglycaemic activity of preheated (roasting) Aframomum ...

or sun-dried materials (fruits, stems, barks). As the spices are heated during the cooking process, information on the antidiabetic activity of preheated spices is still unknown. In the context of applied nutrition, if we want to use those plant extracts for therapeutic purposes,

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Phytochemical Profile and Antioxidant Activity of Nigella ...

Background . Nigella sativa L (NS) is a powerful antioxidant and medicinal plant with many therapeutic applications particularly in traditional medicine for respiratory, gastrointestinal, rheumatic, and inflammatory disorders, as well as cancer. Objective . The aim of this study is to extract the active ingredients from the Moroccan Nigella sativa L and determine its antioxidant properties.

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WHO Guidelines for Quality Standardized Herbal ...

These pesticides are mixed with the herbs during the time of cultivation. Mainly pesticides like DDT, BHC, toxaphene, aldrin cause serious side-effects in human beings if the crude drugs are mixed with these agents. 11.Microbial contamination – usually medicinal plants containing bacteria and molds are coming from soil and atmosphere.

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Isolation and characterization of lignocellulosic ...

The WRVs of 14 grinding passes for SW-LCNF, 17 grinding passes for YP-LCNF, 10 grinding passes for HP-LCNF, and 5 grinding passes for P-LCNF were also 367. It is suggested that the WRVs varied depending on materials. During low-grinding passes, the WRVs increased sharply, while a slow increase in WRV was noted during high grinding passes.

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Which is the best method to ground a plant material ...

If your plant material is roots or main stem (trunk), then you should cut it in small pieces in a way that your grinder should not get damaged and also maintain the temp rise during grinding. Cite ...

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Phytochemical screening and evaluation of pharmacological ...

Plant material. Leaves of Colocasia affinis Schott were collected from the campus of Jahangirnagar University, Savar, Dhaka, Bangladesh and identified by the taxonomist of the National Herbarium of Bangladesh, Mirpur, Dhaka. The voucher specimen of the plant had been deposited in the herbarium for further reference. Extraction process. Leaves of the plant were sun dried and then …

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Application of HPLC and ESI-MS techniques in the analysis ...

1. Introduction. Plants are the important source for new natural products .Natural products have gained popularity over the years due to their enormous potential as anti-oxidants, enzyme inhibitors, hypocholesterolemic agents, immunosuppressive agents, herbicides, anti-migraine and anti-parasitic agents .Phytochemistry is the study of chemical or phytochemical compounds found in plants.

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Phytochemical Analysis of Medicinal Plants Occurring in ...

their phytochemical analysis. The plants collected were identified botanically in department of Botany UCS, Shunkar, Abdul Wali Khan University Mardan. Fresh and tender leaves of selected plants were used for phytochemical analysis. Plant species selected during present investigation were given in Table 1. Preparation of plant extract

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(PDF) Phytochemical Screening & Biological Investigations ...

Ficus racemosa is an important medicinal plant, found in India, Australia, and Southeast Asia. It is popularly known as 'gular.' It reduces blood glucose concentration due to the presence of β-sitosterol. Many active constituents that have been

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Agronomy | Free Full-Text | Photosynthesis, Biomass ...

Plant Material and Growing Conditions The experiments were conducted from December 2019 through January 2020 using a nutrient film technique (NFT) system (CropKing, Lodi, OH, USA) established in a double polyethylene-plastic covered greenhouse at the Ohio State University, Wooster Campus, Ohio (40.78° N, 81.93° W).

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