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The cancer treatment drug topotecan is a synthetic chemical compound similar in chemical structure to camptothecin which is found in extracts of Camptotheca (happy tree). [7] Catharanthus roseus. Vinca alkaloids were originally manufactured by extracting them from Catharanthus roseus (Madagascar Periwinkle). [1] Podophyllum spp.
Natural products sometimes have pharmacological activity that can be of therapeutic benefit in treating diseases. [96] [97] [98] Moreover, synthetic analogs of natural products with improved potency and safety can be prepared, and therefore, natural products are often used as starting points for drug discovery. Natural product constituents have ...
Essential oils are used widely as natural flavor additives for food, as fragrances in perfumery, and in traditional and alternative medicines such as aromatherapy. Synthetic variations and derivatives of natural terpenes and terpenoids also greatly expand the variety of aromas used in perfumery and flavors used in food additives.
Phytochemicals (from Greek phyto, meaning "plant") are chemicals produced by plants through primary or secondary metabolism. [2] [3] They generally have biological activity in the plant host and play a role in plant growth or defense against competitors, pathogens, or predators. [2]
Chaparral (or Larrea tridentata) – a plant used to make a herbal remedy which is sold as cancer treatment. Cancer Research UK state that: "We don't recommend that you take chaparral to treat or prevent any type of cancer." [67] Chlorella – a type of algae promoted for its health-giving properties, including a claimed ability to treat cancer ...
Acetogenin core unit (mono-THF) Acetogenin terminal lactone ring core unit (unsaturated) Structurally, acetogenins are a series of C-35/C-37 compounds usually characterized by a long aliphatic chain bearing a terminal methyl-substituted α,β-unsaturated γ-lactone ring, as well as one to three tetrahydrofuran rings. [4]
Under Canadian law, a nutraceutical can be marketed as either a food or a drug; the terms "nutraceutical" and "functional food" have no legal distinction, [7] as both refer to "a product isolated or purified from foods that is generally sold in medicinal forms not usually associated with food [and] is demonstrated to have a physiological benefit or provide protection against chronic disease."
Polymer-drug conjugates are nano-medicine products under development for cancer diagnosis and treatment. [1] There are more than 10 anticancer conjugates in clinical development. Polymer-drug conjugates are drug molecules held in polymer molecules, which act as the delivery system for the drug.