The medicinal plants are identified using structural features, namely, height, shape, size of leafy part, flowers, fruits, and branching patterns. In this work, the level sets are used for segmentation of images of medicinal plants. The two segments, namely, leafy part (canopy) and stem, are obtained.
How can we identify local medicinal plants?
DNA barcoding is a method to identify the certain species name of a sample by using a short genetic marker from the sample’s DNA. After doing the identification of these samples with three molecular markers (nrITS, matK and rbcL), 76 samples were identified up to species level and 14 to genus level.
How many methods are there for the selection of medicinal plants?
[2,5] Several methods were used in the extraction of medicinal plants such as maceration, infusion, decoction, percolation, digestion and Soxhlet extraction, superficial extraction, ultrasound-assisted, and microwave-assisted extraction.
How do you classify medicinal plants?
Classification of Medicinal Plants: Medicinal plants are generally classified on the basis of their growth habit. It may be either a tree, shrub, herb, annuals, biennial, tubers, rhizomes and climbers.
- Medicinal Shrubs:
- Medicinal Herbs:
- Medicinal Annuals:
- Tubers and Rhizomes:
Why classification of medicinal plants is important?
Automatic identification and classification of medicinal plants will provide medicinal knowledge to common people and farmers which helps in increasing production of such essential plants.
What are the main methods to extract the active compounds from plant materials?
In order to obtain bioactive compounds from plants, the existing classical techniques are: (1) Soxhlet extraction, (2) Maceration and (3) Hydrodistillation. Soxhlet extractor was first proposed by German chemist Franz Ritter Von Soxhlet (1879).
Which method is used for making of herbal preparations?
The herbal preparations thus obtained include extracts, decoctions, tinctures, essential oils and others. The processes involved include extraction, distillation, fractionation, concentration, fermentation, or other chemical or biological methods.
What is medicinal plants PDF?
A medicinal plant is any plant which, in one or more of its organs, contains substances that can be used for therapeutic purposes, or which are precursors for chemo-pharmaceutical semi-synthesis.
What do you know about medicinal plants?
A medicinal plant is any plant which, in one or more of its organs, contains substances that can be used for therapeutic purposes or which are precursors for the synthesis of useful drugs. … Such plants should qualify as medicinal plants.
What do you understand by medicinal plants?
Medicinal plants can be defined as the plants that possess therapeutic properties or exert beneficial pharmacological effect on the human or animal body.
How many medicinal plants are there?
According to the International Union for Conservation of Nature and the World Wildlife Fund, there are between 50,000 and 80,000 flowering plant species used for medicinal purposes worldwide.
What are medicinal plants Class 9?
Give description of any five medicinal plants
- Jamun: The juice from ripe fruit is used to prepare vinegar and it also has digestive properties. …
- Arjun: The fresh juice of leaves is a cure for ear-ache. …
- Babool: Its leaves are used as a cure for eyesores. …
- Neem: It has high antibiotic and anti-bacterial properties.
How are plants used as medicinal resources explain with examples?
Explanation: Herbs that have medicinal quality provide rational means for the treatment of many internal diseases, which are otherwise considered difficult to cure. Medicinal plants such as Aloe, Tulsi, Neem, Turmeric and Ginger cure several common ailments.
How are plants used in medicine?
Several medicinal plants are used primarily for their rhizomes including: ginger, wild columbine, and bloodroot. Seed: The seeds of many plants are used for their medicinal properties. Seeds may be contained within a fruit or are sometimes used on their own.