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Gelatin capsules, informally called gel caps or gelcaps, are composed of gelatin manufactured from the collagen of animal skin or bone. [4] Vegetable capsules, introduced in 1989, [5] are made from cellulose, a structural component in plants. The main ingredient of vegetarian capsules is hydroxypropyl methyl cellulose. In the 21st century ...
The Ebers Papyrus – one of the most important medical papyri of ancient Egypt – was written around 1550 BCE, and covers more than 700 drugs, mainly of plant origin. [7] The first references to pills were found on papyri in ancient Egypt, and contained bread dough, honey, or grease.
The process involves the application of heat, pressure and agitation to mix materials together and 'extrude' them through a die. Twin-screw high shear extruders blend materials and simultaneously break up particles. The resulting particles can be blended and compressed into tablets or filled into capsules. [11]
A capsule is a gelatinous envelope enclosing the active substance. Capsules can be designed to remain intact for some hours after ingestion in order to delay absorption. They may also contain a mixture of slow and fast release particles to produce rapid and sustained absorption in the same dose.
A caplet is a smooth, coated, oval-shaped medicinal tablet in the general shape of a capsule. Many caplets have an indentation running down the middle, so they may be split in half more easily. [5] Consumers have viewed capsules as the most effective way to take medication ever since they first appeared.
Biodiversity plays a vital role in maintaining human and animal health because numerous plants, animals, and fungi are used in medicine to produce vital vitamins, painkillers, antibiotics, and other medications. [1] [2] [3] Natural products have been recognized and used as medicines by ancient cultures all around the world. [4]
The morphine content of these capsules was 0.15 - 0.34%, comparable to domestic Swedish capsules not lanced. In India, poppy straw from lanced capsules had a morphine content of at least 0.2%. These levels of morphine obtained from "exhausted" plants suggests that for producers of licit opium, poppy straw may be a profitable second crop. [6]
phytotherapy: the study of medicinal use of plant extracts; phytochemistry: the study of chemicals derived from plants (including the identification of new drug candidates derived from plant sources); zoopharmacognosy: the process by which animals self-medicate, by selecting and using plants, soils, and insects to treat and prevent disease;