[Latin Name]Huperzia serratum

[Source] Huperziceae whole herb from China

[Appearance]Brown to white

[Ingredient]Huperzine A

[Specification]Huperzine A 1% – 5%, HPLC

[Solubility] Soluble in chloroform, methanol, ethanol, slightly soluble in water

[Particle size] 80 Mesh

[Loss on drying] ≤5.0%

[Heavy Metal] ≤10PPM

[Pesticide residue] EC396-2005, USP 34, EP 8.0, FDA

[Storage] Store in cool & dry area, keep away from the direct light and heat.

[Shelf life] 24 Months

[Package] Packed in paper-drums and two plastic-bags inside.

[What is Huperzine A]

Huperzia is a type of moss that grows in China. It is related to club mosses (the Lycopodiaceae family) and is known to some botanists as Lycopodium serratum . The whole prepared moss was used traditionally. Modern herbal preparations use only the isolated alkaloid known as huperzine A. Huperzine A is an alkaloid found in huperzia that has been reported to prevent the breakdown of acetylcholine, an important substance needed by the nervous system to transmit information from cell to cell. Animal research has suggested that huperzine A’s ability to preserve acetylcholine may be greater than that of some prescription drugs. Loss of acetylcholine function is a primary feature of several disorders of brain function, including Alzheimer’s disease . Huperzine A may also have a protective effect on brain tissue, further increasing its theoretical potential for helping reduce symptoms of some brain disorders.

[Function] Used in alternative medicine, huperzine A has been found to act as a cholinesterase inhibitor, a type of medicine used to prevent the breakdown of acetylcholine (a chemical essential to learning and memory).

Not only used as a treatment for Alzheimer’s disease, huperzine A is also said to enhance learning and memory and to protect against age-related cognitive decline.

In addition, huperzine A is sometimes used to boost energy, increase alertness, and aid in the treatment of myasthenia gravis (an autoimmune disorder that affects the muscles).

036 – Evolutionary Significance of Cell Communication

Paul Andersen describes how cell communication is used in both single-celled and multicellular organisms. He starts by describing the symbiotic relationship between the bobtail squid and the bacteria Vibrio fisheri. He explains how bacteria use quorum sensing to communicate between each other and respond to changes in their environment. He also explains how multicellular organisms (like humans) can coordinate activities. He explains how epinephrine release from the adrenal gland can trigger a series of signal transduction pathways that can eventually lead to the release of glucose from the liver.

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All of the images are licensed under creative commons and public domain licensing:
DNA, n.d. https://openclipart.org/detail/58543/dna-by-kumar35885.
“File:Bobtail Squid.jpg.” Wikipedia, the Free Encyclopedia. Accessed December 8, 2013. https://en.wikipedia.org/wiki/File:Bobtail_squid.jpg.
“File:Sepiola Atlantica.jpg.” Wikipedia, the Free Encyclopedia, March 28, 2013. https://en.wikipedia.org/w/index.php?title=File:Sepiola_atlantica.jpg&oldid=501260200.
Häggström, Mikael. English: Organ Available for Use in the Häggström Diagrams, November 23, 2008. Image:Complete GI tract – sized.png. https://commons.wikimedia.org/wiki/File:Liver.gif.
Juancoronado1974. English: Phospholipid Bilayer, November 23, 2013. Own work. https://commons.wikimedia.org/wiki/File:Bilayer.png.
Vibrio Fischeri, n.d. https://microbewiki.kenyon.edu/index.php/Vibrio_fischeri.

Intro Music Atribution
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound: https://www.freesound.org/people/CosmicD/sounds/72556/
Creative Commons Atribution License

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