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microwave drying of medicinal and aromatic plants

Home microwave drying of medicinal and aromatic plants

PHYTOCHEMICAL EXTRACTION - LinkedIn SlideShare

Nov 19, 2014· Medicinal plants • The Medicinal plants constitute an effective source of both traditional and modern medicines, herbal medicine has been shown to have genuine utility and about 80% of …

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Drying of medicinal plants | Frontis

Drying is the most common method of medicinal plant preservation and, due to high investment and energy costs, drying is also a large expense in medicinal plant production. Drug quality and consequently earnings are significantly influenced by the drying regime. Conventionally, low drying temperatures between 30 and 50°C are recommended to protect sensitive active ingredients, but the ...

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International Journal Of

Journal of Herbs, Spices and Medicinal Plants 2011; 17(2): 119-131. Zhou C, Li X, Sun C, Xu C and Chen K: Effects of drying methods on the bioactive components in loquat (Eriobotrya japonica ) flowers. Journal of Medicinal Plants …

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Medicinal and Aromatic Crops: Harvesting, Drying, and ...

Buy Medicinal and Aromatic Crops (9781560229759) (9781560229742): Harvesting, Drying, and Processing: NHBS - Edited By: Serdar Oztekin and Milan Martinov, Haworth Press

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Bio-diversity and conservation of medicinal and aromatic ...

in loss of medicinal plants. eg., Eucalyptus and Acacia species in many forests. Encroachments: Encroachments over forestlands have assumed alarming levels. Apart from felling of trees and clearing vegetation, the cultivation practices followed on high sloppy lands has caused soil erosion, and decline of medicinal plant wealth.

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Effect of drying methods on qualitative and quantitative ...

Coriander (Coriandrum sativum L.) is mainly cultivated for its fruits and/or leaves, which are used for different purposes such as food, drugs, and spice as both a fresh and dried herb.To determine the effect of drying methods on essential oil of coriander, the stem and leaves of an Iranian landrace of coriander were dried in sunlight, shade, mechanical ovens (40 and 60 °C), microwave …

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CIR495/EP004: Drying and Preserving Plant Materials for ...

Microwave Drying . Using a microwave oven for drying flowers is another method to preserve flowers and other plant materials. Microwave drying, which takes only a few minutes in the oven, provides …

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Processing of marjoram (Majorana ... - Wiley Online Library

Dimitrios Argyropoulos, Joachim Müller, Kinetics of change in colour and rosmarinic acid equivalents during convective drying of lemon balm (Melissa officinalis L.), Journal of Applied Research on Medicinal and Aromatic Plants…

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(PDF) Drying of medicinal plants - ResearchGate

In book: Medicinal and aromatic plants - agricultural, commercial, ecological, legal, pharmacological and social aspects (pp.237-252) Chapter: Drying of medicinal plants

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Novel Drying Techniques for Spices and Herbs: a Review ...

Jul 15, 2017· Spices and herbs are important parts of human daily food consumption and play an essential role in seasoning and/or preserving food, curing illness, and enhancing cosmetics. Proper processing is necessary because the fresh produce has high moisture content and often high load of microorganisms. Dehydration is the most common method used to lower moisture content and hence …

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(PDF) Microwave drying of medicinal and aromatic plants

Purpose of review: Microwave energy can dramatically enhance drying of medicinal and aromatic plants, save energy and preserve product quality if properly applied in combination with hot air or ...

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Effects of drying methods on qualitative and quantitative ...

Mechanical drying can be a large expense in medicinal plant production due to investment in equipment and energy costs. In recent years, various methods, such as microwave drying and freeze-drying, have gained popularity as alternative drying methods for a variety of food products, including herbs (Wang & Sheng, 2006). As of yet, no studies ...

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Stewart Postharvest Review - researchgate.net

Purpose of review: Microwave energy can dramatically enhance drying of medicinal and aromatic plants, save energy and preserve product quality if properly applied in combination with hot air or ...

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suppliers aromatic and medicinal plants purchase quote ...

About EUROPAGES. EUROPAGES is a European B2B platform available in 26 linguistic versions. With 3 million listed companies, mainly manufacturers, wholesalers, distributors and service providers, …

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Medicinal and Aromatic Crops: Harvesting, Drying, and ...

Medicinal and Aromatic Crops fills in the gap, providing a thorough, comprehensive look at every aspect of the mechanism of growing, harvesting, and processing, including production steps and procedures, safety and quality, plant drying, the use of renewable energy sources, dry processing, extraction, industrial usage, financial analysis, and ...

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Drying of aromatic and medicinal plants - educational seminars

Drying of aromatic and medicinal plants is one of the main subjects of the seminars that Agricultural University of Athens organises in the area of Thessaly, Greece. We are very happy that the agriculturalist of OROS team was one of the main speakers! Konstantinos Gakis has been cultivating organic aromatic plants for more than ten years. That ...

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Electric conductivity test for quality assessment of ...

Increase in the drying air temperature influenced the increase in the dehydration rate of the aromatic and medicinal plants. Higher drying temperatures decreased the physical quality as evaluated by the electric conductivity test and essential oil yield of the aromatic and medicinal plants.

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Influence of drying process on the quality of medicinal ...

The yield and chemical composition of essential oils from medicinal plants are related to a variety of internal and external factors, for example, the drying process. Drying is the most common way to preserve quality of aromatic and medicinal plants. The choice of the optimal drying air temperature is a

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CHAPTER 17 DRYING OF MEDICINAL PLANTS - WUR

CHAPTER 17 DRYING OF MEDICINAL PLANTS JOACHIM MÜLLER AND ALBERT HEINDL University of Hohenheim, Institute of Agricultural Engineering, D-70593 Stuttgart, Germany Abstract. Drying is the most common method of medicinal plant preservation and, due to high investment and energy costs, drying is also a large expense in medicinal plant production.

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Effect of drying methods on qualitative and quantitative ...

Coriander (Coriandrum sativum L.) is mainly cultivated for its fruits and/or leaves, which are used for different purposes such as food, drugs, and spice as both a fresh and dried herb.To determine the effect of drying methods on essential oil of coriander, the stem and leaves of an Iranian landrace of coriander were dried in sunlight, shade, mechanical ovens (40 and 60 °C), microwave oven ...

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Kinetics of change in colour and rosmarinic acid ...

Although drying by convection is the most common preservation technique for medicinal and aromatic plants (Müller, 2007), the dried plant material often suffers from undesirable colour changes. During drying …

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MEDICINAL AND AROMATIC PLANTS

More recently, the term "Medicinal and Aromatic Plants" (MAPs) has been used in a slightly broader sense, distinguishing the fragrant (aromatic, ethereal) ingredients-containing group of medicinal plants. 2. Botanical Characteristics and Taxonomy With regards to their botanical characteristics, medicinal plants …

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Effect of drying methods on qualitative and quantitative ...

Microwave drying was done for five and four min in a microwave oven at 500 W and 700 W, and freeze–drying was done in a vacuum freeze dryer using a condenser temperature of −32 °C at 72 h. ... At high temperatures, the biological structure of the oil glands of medicinal and aromatic plants can be affect the epithelial cells in the dried ...

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Drying Protocols for Traditional Medicinal Herbs: A ...

Mint (Mentha spicata L.) has been used as a medicinal and aromatic plant since ancient times. Its leaves are used for flavoring, tea infusions and spicing [17]. Mint leaves are refreshing, antiseptic, anti-asthmatic, stimulative, diaphoretic, stomachic, and antispasmodic. Mint leaves can be used as a medicinal and aromatic plant.

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Medicinal and aromatic crops : harvesting, drying, and ...

Medicinal and aromatic crops : harvesting, drying, and processing | Martinov, Milan; Öztekin, Serdar | download | B–OK. Download books for free. Find books

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Minimally Processed Herbs, Spices, Medicinal and Aromatic ...

Minimally processed herbs, spices, medicinal and aromatic plants are receiving attention of researchers because there had been several outbreaks due to improper preparation conditions.

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Optimization of Microwave Vacuum Drying and Pretreatment ...

2.4. Mathematical Models. The data on the drying of P. cuspidatum slices in microwave vacuum dryer were used to study the drying kinetics and to analyze the fit of mathematical models on thin-layer drying, including Newton, Page, logarithmic, Wang and Singh, Henderson and Pabis, two-term, and Midilli et al. models (Table 2).In Table 2, the MR in (i)–(vii) is the moisture ratio, which is ...

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Quantity and chemical composition of essential oil of ...

Different drying methods and conditions listed in Table 1 were selected to dry the leaves. Before the experiments, the plants were taken out of the refrigerator and the leaves were separated accurately from the stems. To perform microwave drying, a domestic microwave oven cavity (LG MG-4012,

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How to Dry Herbs the Right Way

The other way to air dry involves plucking the leaves from the stems and laying them out to dry on a rack or tray—just make sure there isn't a breeze that'll blow the leaves away. It's also a good idea to put …

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i n a l & aticP d ic la e nts Medicinal & Aromatic Plants

microwave oven for drying at medium temperature for 2 mins. The petri dish was retrieved and placed into a desiccator for cooling [6]. The new weight which corresponds to the plant extract minus the methanol was recorded. The steps were repeated for other plant ... Medicinal & Aromatic Plants ...

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Drying Technologies: Vehicle to High-Quality Herbs ...

Jun 13, 2015· Herbs are usually marketed as dry due to a consumer demand beyond their seasonality; dehydration leads to a stable, easily moveable product that is available throughout the year. The process of drying, though, leads to modifications in the appearance, composition and quality of the raw material. The extent of these alterations depends on the applied drying methodology and its parameters ...

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Medicinal herbs and extraction unit - Gujarat State Portal

Medicinal Herbs and Aromatic Plants (MAPs) ~2,100 plant species globally have the potential for being used as medicinal plants It has been estimated, that in developed countries such as the US, plant …

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