Echinacea Angustifolia

Percival S. S. (2000). Use of echinacea in medicine. Biochemical pharmacology, 60(2), 155–158. DOI: 10.1016/s0006-2952(99)00413-x

Manayi, A., Vazirian, M., & Saeidnia, S. (2015). Echinacea purpurea: Pharmacology, phytochemistry and analysis methods. Pharmacognosy reviews, 9(17), 63–72. DOI: 10.4103/0973-7847.156353

Lee, Tzu & Chen, Chung & Shieh, Zhao & Lin, Jun & Yu, Bi. (2009). Study on antioxidant activity of Echinacea purpurea L. extracts and its impact on cell viability. AFRICAN JOURNAL OF BIOTECHNOLOGY. 8. DOI: 10.4314/ajb.v8i19.65230

Erenler, Ramazan & Telci, Isa & Ulutas, Musa & Demirtas, Ibrahim & Gül, Fatih & Elmastaş, Mahfuz & Kayir, Omer. (2015). Chemical Constituents, Quantitative Analysis and Antioxidant Activities of Echinacea purpurea (L.) Moench and Echinacea pallida (Nutt.) Nutt.. Journal of Food Biochemistry. DOI: 10.1111/jfbc.12168

Thygesen L, Thulin J, Mortensen A, Skibsted LH, Molgaard P. Antioxidant activity of cichoric acid and alkamides from Echinacea purpurea, alone and in combination Food Chemistry. 2007 ;101(1):74-81. DOI: 10.1016/j.foodchem.2005.11.048

Melchart, D., Linde, K., Worku, F., Bauer, R., & Wagner, H. (1994). Immunomodulation with echinacea - a systematic review of controlled clinical trials. Phytomedicine : international journal of phytotherapy and phytopharmacology, 1(3), 245–254. DOI: 10.1016/s0944-7113(11)80072-3

Kim, H. R., Oh, S. K., Lim, W., Lee, H. K., Moon, B. I., & Seoh, J. Y. (2014). Immune enhancing effects of Echinacea purpurea root extract by reducing regulatory T cell number and function. Natural product communications, 9(4), 511–514. PMID: 24868871

Zhai, Z., Liu, Y., Wu, L., Senchina, D. S., Wurtele, E. S., Murphy, P. A., Kohut, M. L., & Cunnick, J. E. (2007). Enhancement of innate and adaptive immune functions by multiple Echinacea species. Journal of medicinal food, 10(3), 423–434. DOI: 10.1089/jmf.2006.257

Shah, S. A., Sander, S., White, C. M., Rinaldi, M., & Coleman, C. I. (2007). Evaluation of echinacea for the prevention and treatment of the common cold: a meta-analysis. The Lancet. Infectious diseases, 7(7), 473–480. DOI: 10.1016/S1473-3099(07)70160-3

Karsch-Völk, M., Barrett, B., Kiefer, D., Bauer, R., Ardjomand-Woelkart, K., & Linde, K. (2014). Echinacea for preventing and treating the common cold. The Cochrane database of systematic reviews, 2(2), CD000530. doi: 10.1002/14651858.CD000530.pub3

Christensen, K. B., Petersen, R. K., Petersen, S., Kristiansen, K., & Christensen, L. P. (2009). Activation of PPARgamma by metabolites from the flowers of purple coneflower (Echinacea purpurea). Journal of natural products, 72(5), 933–937. DOI: 10.1021/np900003a

Haller, J., Hohmann, J., & Freund, T. F. (2010). The effect of Echinacea preparations in three laboratory tests of anxiety: comparison with chlordiazepoxide. Phytotherapy research : PTR, 24(11), 1605–1613. DOI: 10.1002/ptr.3181

Rondanelli, M., Riva, A., Morazzoni, P., Allegrini, P., Faliva, M. A., Naso, M., Miccono, A., Peroni, G., Degli Agosti, I., & Perna, S. (2017). The effect and safety of highly standardized Ginger (Zingiber officinale) and Echinacea (Echinacea angustifolia) extract supplementation on inflammation and chronic pain in NSAIDs poor responders. A pilot study in subjects with knee arthrosis. Natural product research, 31(11), 1309–1313. DOI: 10.1080/14786419.2016.1236097 

Yotsawimonwat, S., Rattanadechsakul, J., Rattanadechsakul, P., & Okonogi, S. (2010). Skin improvement and stability of Echinacea purpurea dermatological formulations. International journal of cosmetic science, 32(5), 340–346. DOI: 10.1111/j.1468-2494.2009.00559.x 

American Ginseng

Seida JK, Durec T, Kuhle S. North American (Panax quinquefolius) and Asian Ginseng (Panax ginseng) Preparations for Prevention of the Common Cold in Healthy Adults: A Systematic Review. Evid Based Complement Alternat Med. 2011;2011:282151. PMCID: PMC3136130

Predy GN, Goel V, Lovlin R, Donner A, Stitt L, Basu TK. Efficacy of an extract of North American ginseng containing poly-furanosyl-pyranosyl-saccharides for preventing upper respiratory tract infections: a randomized controlled trial. CMAJ. 2005;173(9):1043-1048. PMCID: PMC1266327

Vohra, S., Johnston, B. C., Laycock, K. L., Midodzi, W. K., Dhunnoo, I., Harris, E., & Baydala, L. (2008). Safety and tolerability of North American ginseng extract in the treatment of pediatric upper respiratory tract infection: a phase II randomized, controlled trial of 2 dosing schedules. Pediatrics, 122(2), e402–e410. DOI: 10.1542/peds.2007-2186

McElhaney, J. E., Goel, V., Toane, B., Hooten, J., & Shan, J. J. (2006). Efficacy of COLD-fX in the prevention of respiratory symptoms in community-dwelling adults: a randomized, double-blinded, placebo controlled trial. Journal of alternative and complementary medicine (New York, N.Y.), 12(2), 153–157. DOI: 10.1089/acm.2006.12.153

Nahas, R., & Balla, A. (2011). Complementary and alternative medicine for prevention and treatment of the common cold. Canadian family physician Medecin de famille canadien, 57(1), 31–36. PMCID: PMC3024156

Choi, J., Kim, T. H., Choi, T. Y., & Lee, M. S. (2013). Ginseng for health care: a systematic review of randomized controlled trials in Korean literature. PloS one, 8(4), e59978. DOI: 10.1371/journal.pone.0059978

McElhaney, J. E., Gravenstein, S., Cole, S. K., Davidson, E., O'neill, D., Petitjean, S., Rumble, B., & Shan, J. J. (2004). A placebo-controlled trial of a proprietary extract of North American ginseng (CVT-E002) to prevent acute respiratory illness in institutionalized older adults. Journal of the American Geriatrics Society, 52(1), 13–19. DOI: 10.1111/j.1532-5415.2004.52004.x 

Nguyen A, Slavik V. COLD-fX. Can Fam Physician. 2007;53(3):481-482. PMID: 17872685

Vitamin C

Chambial S, Dwivedi S, Shukla KK, John PJ, Sharma P. Vitamin C in disease prevention and cure: an overview. Indian J Clin Biochem. 2013;28(4):314‐328.  doi: 10.1007/s12291-013-0375-3

Traber MG, Stevens JF. Vitamins C and E: beneficial effects from a mechanistic perspective. Free Radic Biol Med. 2011;51(5):1000‐1013. DOI: 10.1016/j.freeradbiomed.2011.05.017

Padayatty, S. J., Katz, A., Wang, Y., Eck, P., Kwon, O., Lee, J. H., Chen, S., Corpe, C., Dutta, A., Dutta, S. K., & Levine, M. (2003). Vitamin C as an antioxidant: evaluation of its role in disease prevention. Journal of the American College of Nutrition, 22(1), 18–35. DOI: 10.1080/07315724.2003.10719272

Pehlivan, Fadime. (2017). Vitamin C: An Antioxidant Agent. 10.5772/intechopen.69660. DOI: 10.5772/intechopen.69660

A. Bendich, L.J. Machlin, O. Scandurra, G.W. Burton, D.D.M. Wayner, The antioxidant role of vitamin C, Advances in Free Radical Biology & Medicine, Volume 2, Issue 2, 1986, 419-444, 8755-9668.

Marc Bürzle, Matthias A. Hediger. Chapter Eleven: Functional and Physiological Role of Vitamin C Transporters. Mark O. Bevensee. Current Topics in Membranes. Academic Press. 70. 2012. 357-375. 1063-5823. 9780123943163. https://doi.org/10.1016/B978-0-12-394316-3.00011-9

Akbari, Abolfazl & Jelodar, Gholamali & Nazifi, Saeed & Sajedianfard, Javad. (2016). An Overview of The characteristics and Function of Vitamin C in Various Tissues: Relying on its Antioxidant Function. Zahedan Journal of Research in Medical Sciences. In Press. DOI: 10.17795/zjrms-4037

Chakraborthy, Aratirika & Ramani, Pratibha & Sherlin, Herald & Premkumar, Priya & Natesan, Anuja. (2014). Antioxidant and pro-oxidant activity of Vitamin C in oral environment. Indian journal of dental research : official publication of Indian Society for Dental Research. 25. 499-504. DOI: 10.4103/0970-9290.142547

Sirmali, Rana & Giniş, Zeynep & Sirmali, Mehmet & Solak, Okan & Şeliman, Bengü & Ağaçkiran, Yetkin & Delibaş, Namık. (2014). Vitamin C as an antioxidant: evaluation of its role on pulmonary contusion experimental model. Turkish journal of medical sciences. 44. 905-13. DOI: 10.3906/sag-1309-139

Schisandra

Szopa A, Ekiert R, Ekiert H. Current knowledge of Schisandra chinensis (Turcz.) Baill. (Chinese magnolia vine) as a medicinal plant species: a review on the bioactive components, pharmacological properties, analytical and biotechnological studies. Phytochem Rev. 2017;16(2):195-218. doi: 10.1007/s11101-016-9470-4

Nowak A, Zakłos-Szyda M, Błasiak J, Nowak A, Zhang Z, Zhang B. Potential of Schisandra chinensis (Turcz.) Baill. in Human Health and Nutrition: A Review of Current Knowledge and Therapeutic Perspectives. Nutrients. 2019;11(2):333. Published 2019 Feb 4. DOI: 10.3390/nu11020333

Tsi, D., & Tan, A. (2008). Evaluation on the combined effect of Sesamin and Schisandra extract on blood fluidity. Bioinformation, 2(6), 249–252. doi: 10.6026/97320630002249

Panossian, A. G., Oganessian, A. S., Ambartsumian, M., Gabrielian, E. S., Wagner, H., & Wikman, G. (1999). Effects of heavy physical exercise and adaptogens on nitric oxide content in human saliva. Phytomedicine : international journal of phytotherapy and phytopharmacology, 6(1), 17–26. DOI: 10.1016/S0944-7113(99)80030-0

Feverfew

Pareek A, Suthar M, Rathore GS, Bansal V. Feverfew (Tanacetum parthenium L.): A systematic review. Pharmacogn Rev. 2011;5(9):103-110. DOI: 10.4103/0973-7847.79105

Ernst, E., & Pittler, M. H. (2000). The efficacy and safety of feverfew (Tanacetum parthenium L.): an update of a systematic review. Public health nutrition, 3(4A), 509–514. DOI: 10.1017/s1368980000000598

Bethell C, Kemper KJ, Gombojav N, Koch TK. Complementary and conventional medicine use among youth with recurrent headaches. Pediatrics. 2013;132(5):e1173-e1183. doi: 10.1542/peds.2013-1816

Silberstein SD. Preventive treatment of headaches. Current Opinion in Neurology. 2005 Jun;18(3):289-292. DOI: 10.1097/01.wco.0000169747.67653.f3

Ferro, E. C., Biagini, A. P., da Silva, Í. E., Silva, M. L., & Silva, J. R. (2012). The combined effect of acupuncture and Tanacetum parthenium on quality of life in women with headache: randomised study. Acupuncture in medicine : journal of the British Medical Acupuncture Society, 30(4), 252–257. DOI: 10.1136/acupmed-2012-010195

Murch, S. J., Simmons, C. B., & Saxena, P. K. (1997). Melatonin in feverfew and other medicinal plants. Lancet (London, England), 350(9091), 1598–1599. DOI: 10.1016/S0140-6736(05)64014-7

Sur, Runa & Martin, K & Liebel, F & Lyte, P & Shapiro, S & Southall, Michael. (2009). Anti-Inflammatory Activity of Parthenolide-Depleted Feverfew (Tanacetum parthenium). Inflammopharmacology. 17. 42-9. DOI: 10.1007/s10787-008-8040-9

Williams, C. A., Harborne, J. B., Geiger, H., & Hoult, J. R. (1999). The flavonoids of Tanacetum parthenium and T. vulgare and their anti-inflammatory properties. Phytochemistry, 51(3), 417–423. DOI: 10.1016/s0031-9422(99)00021-7