BT 1008 Plant Resources Lecture 11 PDF
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Dr. Jinendra Dissanayake
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Summary
This lecture discusses plant resources focused on masticatories and fumitories. It covers various plant substances used for chewing or smoking, examining their traditional uses and potential risks, including addiction and long-term health problems.
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BT 1008: Plant Resources Lecture # 11 Dr. Jinendra Dissanayake Department of Plant Sciences Syllabus ❖ Renewable and non-renewable resources ❖ Traditional uses and potentials of plants as sources of Food & Beverage plants Spice & Essential oils Medicines Wood...
BT 1008: Plant Resources Lecture # 11 Dr. Jinendra Dissanayake Department of Plant Sciences Syllabus ❖ Renewable and non-renewable resources ❖ Traditional uses and potentials of plants as sources of Food & Beverage plants Spice & Essential oils Medicines Wood & Fiber products Masticatories & Fumitories Natural products and processing (eg. Latex) Alternative energy resources Environmental sensors ❖ Sustainable utilization and conservation of plants Masticatories & Fumitories ❖Substances smoke or chew for pleasure addiction => serious social, physiological effects ❖Masticatories: substances chew ❖Fumitories: substances smoke ❖Many contains various alkaloids Majority have a stimulating or narcotic effect Tobacco (Nicotiana tabacum) ❖Dried Leaves – Nicotine ❖Both as a fumitory and masticatory ❖Medicinal Toothache, indigestion, blood poisoning Betal (Piper betel) ❖ Chewed with Endosperm of areca nut Tobacco Lime Betel – pungent taste due to a volatile oil Areca nut – several alkaloids and tannings Cannabis sativa ❖Hashish – dried resinous exudate from female inflorescence ❖Marjuana – young flowering shoots ❖Ganja – dried female inflorescences ❖Excessive use is harmful Coca Erythroxylon coca & Erythroxylum novogranatense ❖Alkaloid – Cocaine ❖Extracted from leaves ❖Used as an anesthetic and a stimulant ❖Highly addictive ❖Leads to long term health problems (stomach ulcers, severe depression, brain functionality, bleeding in the lungs) Poppy (Papaver somniferum) ❖ Opium Harden latex exudate from capsule ❖ A narcotic ❖ Contains around 25 alkaloids ❖ Morphine and Codeine ❖ Addiction –loose appetite, body weight, will power, finally death In this session, we have learnt ❖ Traditional uses and potentials - Masticatories and Fumitories In next session, we will learn about ❖ Traditional uses and potentials as - Natural Products and Processing
