Huperzia serrata

Northern Firmoss

Conservation status
Secure (NatureServe)
Scientific classification
Kingdom:	Plantae
Division:	Lycopodiophyta
Class:	Lycopodiopsida
Order:	Lycopodiales
Family:	Huperziaceae
Genus:	Huperzia
Species:	H. serrata
Binomial name
*Huperzia serrata* (Thunb. ex Murray) Trevis.

Huperzia serrata (TCM = Qian Ceng Ta/Jin Bu Huan)is a plant known as a firmoss which contains the acetylcholinesterase inhibitor huperzine A.^[1] It is widely distributed over-the-counter as a nootropic and dietary supplement. It may also be used to treat Alzheimer's disease.

This species is native to India and southeast Asia.

References

^ Xing Zu Zhu*, Xiao-Yu Li, Jin Li.,"Recent pharmacological studies on natural products in China".,European Journal of Pharmacology 500 (2004) 221 – 23

Dietary supplements

Types	Amino acids • Bodybuilding supplement • Energy drink • Energy bar • Fatty acids • Herbal Supplements • Minerals • Prebiotics • Probiotics (Lactobacillus, Bifidobacterium) • Protein bar • Vitamins

Vitamins and "minerals" (chemical elements)	Retinol (Vitamin A) • B vitamins: Thiamine (B₁) • Riboflavin (B₂) • Niacin (B₃) • Pantothenic acid (B₅) • Pyridoxine (B₆) • Biotin (B₇) • Folic acid (B₉) • Cyanocobalamin (B₁₂) • Ascorbic acid (Vitamin C) • Ergocalciferol and Cholecalciferol (Vitamin D) • Tocopherol (Vitamin E) • Naphthoquinone (Vitamin K) • Calcium • Choline • Chromium • Cobalt • Copper • Fluorine • Iodine • Iron • Magnesium • Manganese • Molybdenum • Phosphorus • Potassium • Selenium • Sodium • Sulfur • Zinc

Other common ingredients	AAKG • Carnitine • Chondroitin sulfate • Cod liver oil • Copper gluconate • Creatine/Creatine supplements • Dietary fiber • Echinacea • Elemental calcium • Ephedra • Fish oil • Folic acid • Ginseng • Glucosamine • Glutamine • Grape seed extract • Guarana • Iron supplements • Japanese Honeysuckle • Krill oil • Lingzhi • Linseed oil • Lipoic acid • Milk thistle • Melatonin • Red yeast rice • Royal jelly • Saw palmetto • Spirulina • St John's wort • Taurine • Wheatgrass • Wolfberry • Yohimbine • Zinc gluconate

Related articles	Codex Alimentarius • Enzyte • Hadacol • Nutraceutical • Multivitamin • Nutrition

Nootropics (N06B)

Acetylcholinesterases	Donepezil • Galantamine • Huperzine A (Huperzia Serrata) • Ladostigil • Rivastigmine • Tacrine

Ampakines	CX-516 • CX-546 • CX-614 • CX-691 • CX-717 • IDRA-21 • LY-404,187 • LY-503,430 • PEPA • Sunifiram • Unifiram

D₁ Agonists	6-Br-APB • A-77636 • Dihydrexidine • Dinapsoline • Doxanthrine • SKF-81297

Eugeroics	Adrafinil • Armodafinil • Modafinil

GABA_A α₅ Inverse Agonists	α5IA • L-655,708 • PWZ-029 • Suritozole • TB-21007 • ZK-93426

H₃ Antagonists	A-349,821 • ABT-239 • Ciproxifan • GSK-189,254

mACh Agonists	Alvameline • Arecoline • Cevimeline • CI-1017 • Milameline • Sabcomeline • Talsaclidine • Tazomeline • Xanomeline

nACh Agonists	AR-R17779 • Ispronicline • Nicotine • PNU-282,987 • SSR-180,711 • WAY-317,538

Racetams	Aniracetam • Brivaracetam • Coluracetam • Etiracetam • Fasoracetam • Levetiracetam • Nebracetam • Nefiracetam • Oxiracetam • Phenylpiracetam • Piracetam • Pramiracetam • Rolziracetam • Seletracetam

Others	Acetylcarnitine • Adafenoxate • Bifemelane • Bilobalide (Ginkgo Biloba) • Carbenoxolone • Cerlapirdine • Choline (Lecithin) • Citicoline • Cyprodenate • Dimethylethanolamine • Ensaculin • Fipexide • Idebenone • Indeloxazine • Latrepirdine • Leteprinim • Linopirdine • Meclofenoxate • Nizofenone • Pirisudanol • Pyritinol • S-17092 • Sulbutiamine • Taltirelin • Teniloxazine • Tricyanoaminopropene • Vinpocetine

Psychoanaleptics: Antidementia agents (N06D)

Anticholinesterases

Cymserine • Donepezil • Galantamine • Huperzine A (Huperzia serrata) • Ladostigil • Rivastigmine • Tacrine

Others

Bifemelane • Bilobalide (Ginkgo biloba) • Cerlapirdine • Ensaculin • Latrepirdine • Lecozotan • Leteprinim • Memantine • Semagacestat

M: PSO/PSI

mepr

dsrd (o, p, m, p, a, d, s), sysi/epon, spvo

proc(eval/thrp), drug(N5A/5B/5C/6A/6B/6D)

Cholinergics

Receptor ligands

mAChR	Agonists: 77-LH-28-1 • AC-42 • AC-260,584 • Aceclidine • Acetylcholine • AF30 • AF150(S) • AF267B • AFDX-384 • Alvameline • AQRA-741 • Arecoline • Bethanechol • Butyrylcholine • Carbachol • CDD-0034 • CDD-0078 • CDD-0097 • CDD-0098 • CDD-0102 • Cevimeline • cis-Dioxolane • Ethoxysebacylcholine • LY-593,039 • L-689,660 • LY-2,033,298 • McNA343 • Methacholine • Milameline • Muscarine • NGX-267 • Ocvimeline • Oxotremorine • PD-151,832 • Pilocarpine • RS86 • Sabcomeline • SDZ 210-086 • Sebacylcholine • Suberylcholine • Talsaclidine • Tazomeline • Thiopilocarpine • Vedaclidine • VU-0029767 • VU-0090157 • VU-0152099 • VU-0152100 • VU-0238429 • WAY-132,983 • Xanomeline • YM-796 Antagonists: 3-Quinuclidinyl Benzilate • 4-DAMP • Aclidinium Bromide • Anisodamine • Anisodine • Atropine • Atropine Methonitrate • Benactyzine • Benzatropine (Benztropine) • Benzydamine • BIBN 99 • Biperiden • Bornaprine • CAR-226,086 • CAR-301,060 • CAR-302,196 • CAR-302,282 • CAR-302,368 • CAR-302,537 • CAR-302,668 • CS-27349 • Cyclobenzaprine • Cyclopentolate • Darifenacin • DAU-5884 • Dimethindene • Dexetimide • DIBD • Dicyclomine (Dicycloverine) • Ditran • EA-3167 • EA-3443 • EA-3580 • EA-3834 • Elemicin • Etanautine • Etybenzatropine (Ethylbenztropine) • Flavoxate • Himbacine • HL-031,120 • Ipratropium bromide • J-104,129 • Hyoscyamine • Mamba Toxin 3 • Mamba Toxin 7 • Mazaticol • Mebeverine • Methoctramine • Metixene • Myristicin • N-Ethyl-3-Piperidyl Benzilate • N-Methyl-3-Piperidyl Benzilate • Orphenadrine • Otenzepad • Oxybutynin • PBID • PD-102,807 • PD-0298029 • Phenglutarimide • Phenyltoloxamine • Pirenzepine • Piroheptine • Procyclidine • Profenamine • RU-47,213 • SCH-57,790 • SCH-72,788 • SCH-217,443 • Scopolamine (Hyoscine) • Solifenacin • Telenzepine • Tiotropium bromide • Tolterodine • Trihexyphenidyl • Tripitamine • Tropatepine • Tropicamide • WIN-2299 • Xanomeline • Zamifenacin; Others: 1st Generation Antihistamines (Brompheniramine, chlorphenamine, cyproheptadine, dimenhydrinate, diphenhydramine, doxylamine, mepyramine/pyrilamine, phenindamine, pheniramine, tripelennamine, triprolidine, etc) • Tricyclic Antidepressants (Amitriptyline, doxepin, trimipramine, etc) • Tetracyclic Antidepressants (Amoxapine, maprotiline, etc) • Typical Antipsychotics (Chlorpromazine, thioridazine, etc) • Atypical Antipsychotics (Clozapine, olanzapine, quetiapine, etc)

nAChR	Agonists: 5-HIAA • A-84,543 • A-366,833 • A-582,941 • A-867,744 • ABT-202 • ABT-418 • ABT-560 • ABT-894 • Acetylcholine • Altinicline • Anabasine • Anatoxin-a • AR-R17779 • Butyrylcholine • Carbachol • Cotinine • Cytisine • Decamethonium • Desformylflustrabromine • Dianicline • Dimethylphenylpiperazinium • Epibatidine • Epiboxidine • Ethanol • Ethoxysebacylcholine • EVP-4473 • EVP-6124 • Galantamine • GTS-21 • Ispronicline • Lobeline • MEM-63,908 (RG-3487) • Nicotine • NS-1738 • PHA-543,613 • PHA-709,829 • PNU-120,596 • PNU-282,987 • Pozanicline • Rivanicline • Sazetidine A • Sebacylcholine • SIB-1508Y • SIB-1553A • SSR-180,711 • Suberylcholine • TC-1698 • TC-1734 • TC-1827 • TC-2216 • TC-5214 • TC-5619 • TC-6683 • Tebanicline • Tropisetron • UB-165 • Varenicline • WAY-317,538 • XY-4083 Antagonists: 18-Methoxycoronaridine • α-Bungarotoxin • α-Conotoxin • Alcuronium • Amantadine • Anatruxonium • Atracurium • Bupropion (Amfebutamone) • Chandonium • Chlorisondamine • Cisatracurium • Coclaurine • Coronaridine • Dacuronium • Decamethonium • Dextromethorphan • Dextropropoxyphene • Dextrorphan • Diadonium • DHβE • Dimethyltubocurarine (Metocurine) • Dipyrandium • Dizocilpine (MK-801) • Doxacurium • Duador • Esketamine • Fazadinium • Gallamine • Hexafluronium • Hexamethonium (Benzohexonium) • Ibogaine • Isoflurane • Ketamine • Kynurenic acid • Laudexium (Laudolissin) • Levacetylmethadol • Malouetine • Mecamylamine • Memantine • Methadone • Methorphan (Racemethorphan) • Methyllycaconitine • Metocurine • Mivacurium • Morphanol (Racemorphanol) • Neramexane • Nitrous Oxide • Pancuronium • Pempidine • Pentamine • Pentolinium • Phencyclidine • Pipecuronium • Radafaxine • Rapacuronium • Rocuronium • Surugatoxin • Suxamethonium (Succinylcholine) • Thiocolchicoside • Toxiferine • Trimethaphan • Tropeinium • Tubocurarine • Vecuronium • Xenon

Reuptake inhibitors

Plasmalemmal

CHT Inhibitors	Hemicholinium-3 (Hemicholine; HC3) • Triethylcholine

Vesicular

VAChT Inhibitors	Vesamicol

Enzyme inhibitors

Anabolism

ChAT inhibitors	1-(-Benzoylethyl)pyridinium • 2-(α-Naphthoyl)ethyltrimethylammonium • 3-Chloro-4-stillbazole • 4-(1-Naphthylvinyl)pyridine • Acetylseco hemicholinium-3 • Acryloylcholine • AF64A • B115 • BETA • CM-54,903 • N,N-Dimethylaminoethylacrylate • N,N-Dimethylaminoethylchloroacetate

Catabolism

AChE inhibitors	Reversible: Carbamates: Aldicarb • Bendiocarb • Bufencarb • Carbaryl • Carbendazim • Carbetamide • Carbofuran • Chlorbufam • Chloropropham • Ethienocarb • Ethiofencarb • Fenobucarb • Fenoxycarb • Formetanate • Furadan • Ladostigil • Methiocarb • Methomyl • Miotine • Oxamyl • Phenmedipham • Pinmicarb • Pirimicarb • Propamocarb • Propham • Propoxur; Stigmines: Ganstigmine • Neostigmine • Phenserine • Physostigmine • Pyridostigmine • Rivastigmine; Others: Acotiamide • Ambenonium • Donepezil • Edrophonium • Galantamine • Huperzine A • Minaprine • Tacrine • Zanapezil Irreversible: Organophosphates: Acephate • Azinphos-methyl • Bensulide • Cadusafos • Chlorethoxyfos • Chlorfenvinphos • Chlorpyrifos • Chlorpyrifos-Methyl • Coumaphos • Cyclosarin (GF) • Demeton • Demeton-S-Methyl • Diazinon • Dichlorvos • Dicrotophos • Diisopropyl fluorophosphate (Guthion) • Diisopropylphosphate • Dimethoate • Dioxathion • Disulfoton • EA-3148 • Echothiophate • Ethion • Ethoprop • Fenamiphos • Fenitrothion • Fenthion • Fosthiazate • GV • Isofluorophate • Isoxathion • Malaoxon • Malathion • Methamidophos • Methidathion • Metrifonate • Mevinphos • Monocrotophos • Naled • Novichok agent • Omethoate • Oxydemeton-Methyl • Paraoxon • Parathion • Parathion-Methyl • Phorate • Phosalone • Phosmet • Phostebupirim • Phoxim • Pirimiphos-Methyl • Sarin (GB) • Soman (GD) • Tabun (GA) • Temefos • Terbufos • Tetrachlorvinphos • Tribufos • Trichlorfon • VE • VG • VM • VR • VX; Others: Demecarium • Onchidal (Onchidella binneyi)

BChE inhibitors	Cymserine * Many of the acetylcholinesterase inhibitors listed above act as butyrylcholinesterase inhibitors.

Others

Precursors	Choline (Lecithin) • Citicoline • Cyprodenate • Dimethylethanolamine (DMAE, deanol) • Glycerophosphocholine • Meclofenoxate (Centrophenoxine) • Phosphatidylcholine • Phosphatidylethanolamine • Phosphorylcholine • Pirisudanol

Cofactors	Acetic acid • Acetylcarnitine • Acetyl-coA • Vitamin B₅ (Pantethine, Pantetheine, Panthenol)

Others	Acetylcholine releasing agents: α-Latrotoxin • β-Bungarotoxin; Acetylcholine release inhibitors: Botulinum toxin (Botox); Acetylcholinesterase reactivators: Asoxime • Obidoxime • Pralidoxime

Glutamatergics

Ionotropic

AMPA	Agonists: 5-Fluorowillardiine • AMPA • Domoic acid • Quisqualic acid; Positive allosteric modulators: Aniracetam • Cyclothiazide • CX-516 • CX-546 • CX-614 • CX-691 • CX-717 • Diazoxide • HCTZ • IDRA-21 • LY-392,098 • LY-404,187 • LY-451,395 • LY-451,646 • LY-503,430 • Org 26576 • Oxiracetam • PEPA • Piracetam • Pramiracetam • S-18986 • Sunifiram • Unifiram Antagonists: ATPO • Barbiturates • Caroverine • CNQX • DNQX • GYKI-52466 • NBQX • Perampanel • Talampanel • Tezampanel • Topiramate; Negative allosteric modulators: GYKI-53,655

NMDA	Agonists: Glutamate/acite site competitive agonists: Aspartate • Glutamate • Homoquinolinic acid • Ibotenic acid • NMDA • Quinolinic acid • Tetrazolylglycine; Glycine site agonists: ACBD • ACPC • ACPD • Alanine • CCG • Cycloserine • DHPG • Fluoroalanine • Glycine • HA-966 • L-687,414 • Milacemide • Sarcosine • Serine • Tetrazolylglycine; Polyamine site agonists: Acamprosate • Spermidine • Spermine Antagonists: Competitive antagonists: AP5 (APV) • AP7 • CGP-37849 • CGP-39551 • CGP-39653 • CGP-40116 • CGS-19755 • CPP • LY-233,053 • LY-235,959 • LY-274,614 • MDL-100,453 • Midafotel (d-CPPene) • NPC-12,626 • NPC-17,742 • PBPD • PEAQX • Perzinfotel • PPDA • SDZ-220581 • Selfotel; Noncompetitive antagonists: ARR-15,896 • Caroverine • Dexanabinol • FPL-12495 • FR-115,427 • Hodgkinsine • Magnesium • MDL-27,266 • NPS-1506 • Psychotridine • Zinc; Uncompetitive pore blockers: 2-MDP • 3-MeO-PCP • 8A-PDHQ • Alaproclate • Amantadine • Aptiganel • ARL-12,495 • ARL-15,896-AR • ARL-16,247 • Budipine • Delucemine • Dexoxadrol • Dextrallorphan • Dieticyclidine • Dizocilpine • Endopsychosin • Esketamine • Etoxadrol • Eticyclidine • Gacyclidine • Ibogaine • Indantadol • Ketamine • Ketobemidone • Loperamide • Memantine • Meperidine (Pethidine) • Methadone • Methorphan (Dextromethorphan, Levomethorphan) • Methoxetamine • Milnacipran • Morphanol (Dextrorphan, Levorphanol) • NEFA • Neramexane • Nitrous oxide • Noribogaine • Orphenadrine • PCPr • Phencyclamine • Phencyclidine • Propoxyphene • Remacemide • Rhynchophylline • Riluzole • Rimantadine • Rolicyclidine • Sabeluzole • Tenocyclidine • Tiletamine • Tramadol • Xenon; Glycine site antagonists: ACEA-1021 • ACEA-1328 • ACPC • Carisoprodol • CGP-39653 • CKA • DCKA • Felbamate • Gavestinel • GV-196,771 • Kynurenic acid • L-689,560 • L-701,324 • Lacosamide • Licostinel • LU-73,068 • MDL-105,519 • Meprobamate • MRZ 2/576 • PNQX • ZD-9379; NR2B subunit antagonists: Besonprodil • CO-101,244 (PD-174,494) • CP-101,606 • Eliprodil • Haloperidol • Ifenprodil • Isoxsuprine • Nylidrin • Ro8-4304 • Ro25-6981 • Traxoprodil; Polyamine site antagonists: Arcaine • Co 101676 • Diaminopropane • Acamprosate • Diethylenetriamine • Huperzine A • Putrescine • Ro 25-6981; Unclassified/unsorted antagonists: Chloroform • Diethyl ether • Enflurane • Ethanol (Alcohol) • Halothane • Isoflurane • Methoxyflurane • Toluene • Trichloroethane • Trichloroethanol • Trichloroethylene • Xylene

Kainate	Agonists: 5-Iodowillardiine • ATPA • Domoic acid • Kainic acid • LY-339,434 • SYM-2081 Antagonists: CNQX • DNQX • LY-382,884 • NBQX • NS102 • Tezampanel • Topiramate • UBP-302; Negative allosteric modulators: NS-3763

Metabotropic

Group I	Agonists: Unselective: ACPD • DHPG • Quisqualic acid; mGlu1-selective: Ro01-6128 • Ro67-4853 • Ro67-7476 • VU-71; mGlu5-selective: ADX-47273 • CDPPB • CHPG • DFB • VU-1545 Antagonists: Unselective: MCPG • NPS-2390; mGlu1-selective: BAY 36-7620 • CPCCOEt • LY-367,385 • LY-456,236; mGlu5-selective: Dipraglurant • DMeOB • Fenobam • LY-344,545 • MPEP • MTEP • SIB-1757 • SIB-1893

Group II	Agonists: Unselective: CBiPES • DCG-IV • Eglumegad • LY-379,268 • LY-404,039 • LY-487,379 • MGS-0028; mGlu2-selective: BINA • LY-566,332 Antagonists: Unselective: APICA • EGLU • HYDIA • LY-307,452 • LY-341,495 • MCPG • MGS-0039: mGlu2-selective: PCCG-4; mGlu3-selective: CECXG

Group III	Agonists: Unselective: L-AP4; mGlu4-selective: PHCCC • VU-001,171 • VU-0155,041; mGlu7-selective: AMN082; mGlu8-selective: DCPG Antagonists: Unselective: CPPG • MAP4 • MSOP • MPPG • MTPG • UBP-1112; mGlu7-selective: MMPIP

Transporter
inhibitors

EAATs	DHKA • PDC • WAY-213,613

vGluTs	7-CKA • Evans blue

Huperzia serrata

See also

References