Plant Depressants: Tranquilizers and Opiates Flashcards
(109 cards)
What is the small evergreen shrub discussed in the heart and circulatory system?
Indian Snakeroot.
What does the Indian snakeroot species contain?
Resperine, which revolutionized the treatment of chronic psychoses (especially schizophrenia) and moderate to severe hypertension.
When did European and American pharmaceutical companies begin marketing resperine to treat schizophrenia, hypertension, and a tranquillizing agent for treating mild to moderate anxiety?
1953.
When was resperine discouraged as a tranquillizing agent due to adverse side effects of fatigue and deep depression?
1956 (US Food and Drug Administration).
What is resperine classified as?
A phenothiazines.
What is the small shrub (3m in height), and native to the South Pacific Islands called?
Kava.
What does Kava exist as?
Only a cultigen-does not occur in the wild.
What does Kava consist of?
Numerous sterile polyploid cultivars of variable Biochemistry-nearly 250 types are recognized on Vanuatu alone.
Where and when was plant first domesticated?
Vanuatu about 3000 years ago.
From Vanuatu, where was Kava taken?
Kava was taken westward to New Guinea and parts of Micronesia and eastward to Fiji and Polynesia.
Why must the Kava plant be propagated colonially?
Because the cultivars are sterile.
What plant is of great religious and ceremonial significance to South Pacific islands?
Kava.
What is Kava used for in regard to communicating?
Kava is used for communicating with ancestors and the Gods.
How is Kava used socially?
To relax the body and mind.
How is Kava used medicinally?
To induce sleep, relieve pain, and treat anxiety and insomnia.
Sometimes even to treat rheumatism, menstrual problems, venereal diseases and tuberculosis.
Which part of Kava contains the active principles?
Root stock.
How was rootstock prepared?
1) The chewing method, root broken down into small fragment, and chewed into soft mass, and mixed with cold water or coconut milk, strained then drunk a few hours later.
2) The grating method, the root is grated and macerated in cold water or coconut milk, then filtered and drank.
Of chewing and grating methods, which one is said to have stronger narcotic and depressant affects?
Chewing.
Which of chewing and grating is used to treat the sick and convalescent?
Grating.
What is the pharmacology makeup of Kava?
Made up of 18 related compounds known as kavalactones (kavain), as well as other secondary products.
What do the kavalactones do?
They have muscle-relaxing and antispasmodic effects.
What are the medical symptoms of drinking Kava?
Mild muscle paralysis (in lower limbs), and increase force but decreased rapidity of heartbeat.
How does Kava demonstrate its affects?
It will first stimulate and then depress respiration. Unlike other depressants such as alcohol, it does not impair alertness significantly.
What are the affects of whole extracts of Kava?
Hypnotic-sedative, analgesic, and psychotropic affects.