[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).

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What is F21?
F21 has been specifically formulated as an All Natural Sugar Blocker™ to help limit your blood sugar absorption. For every gram of F21 you can block up to 20 grams of sugar (sucrose). Additionally, our patent pending formula not only helps promote weight loss, it benefits the digestive system by allowing the blocked sucrose to support beneficial probiotic bacteria while the polysaccharide (PSK) boosts your immune system response.
F21 Ingredients:
L-Arabinose, Coriolus Versicolor Polysacchride, Konjac-Mannan, Magnesium Stearate
Mint flavor: Menthol and Natural Colors.

https://venaker.ludaxx.com/f21

These are my revision notes/ quiz/ test that I use to help me learn concepts, as I find it more efficient and entertaining understanding the subject matter first, and then I would proceed to read the passages from where it was obtained with the knowledge of what I was reading.

This is where you can read the passages from where the questions are based on:
1. Variety of living organisms. (n.d.). Retrieved February 24, 2017, from https://www.bbc.co.uk/education/guides/zr46fg8/revision/5

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Transcript:
What are polysaccharides?

They are polymers of sugars, such as glycogen and starch, made from many simple sugar molecules joined together.