Flor•Essence Herbal Tonic
Suzanne Diamond, B.Sc., M.Sc., (Botany)
Flor•Essence is a traditional herbal tonic that is now being researched for its many benefits. It includes eight herbs: Burdock root, Turkish rhubarb root, Sheep sorrel, Slippery elm bark Watercress, Blessed Thistle, Red Clover and Kelp. Of these, six food-type herbs have been traditionally utilized by our European ancestors and the First Nation's peoples of North America, and two bitter type herbs that are classified as foods, but are taken in smaller amounts as digestive aids.
A summary of the most recent experimental and clinical data on the digestive properties of each of the eight herbs is provided below.
The root contains at least five powerful flavonoid-type antioxidants and several polyphenols that are more powerful antioxidants than vitamin C. As much as 75% of the carbohydrate content in the plant is stored in the root as a complex fructan, gamma-glucoside-fructose ester, known as inulin.
Modification of intestinal microflora by inulin: A clinical study found increased intake of oligofructose and inulin significantly increased bifidobacteria and decreased numbers of potential pathogens'. An increase in oligosaccharides was reported to lead to a selective qualitative change in ceco-colonic microbial flora (ie, bifidogenisic change). Inulin is not digested in the stomach but fermented almost exclusively by colonic bifidobacteria and bacteroides. The complete fermentation increases fecal bacterial biomass, decreases colonic pH, and increases fermentation products such as short chain fatty acids that positively affect the metabolism of lipids. Beneficial intestinal bacteria have been found to support the immune system.
Red clover is a legume that contains large amounts of the phytoestrogen, genistein. Research on dietary legumes, indicate that phytoestrogens are necessary for a balanced diet and beneficial for health promotion. The phytoestrogen content varies from 1.0% to 2.5% of dry matter. The biological study of white clover showed a clear estrogenic effect not visible through chemical analysis.
Detoxification: Red clover tea is recognized traditionally for facilitating the elimination of wastes and toxins through the kidneys, skin, and bowels. This herb also increases the activity of phagocytes, the scavenger cells of the immune system that remove micro-organisms and debris from blood and mucous.
The primary active ingredient of blessed thistle is a bitter tasting compound called cnicin, a sesquiterpene lactone. The seed contains several lignans that are phytoestrogen precursors for the key mammalian lignans: enterolactone and enterodiol which are present in humans and animals. Cnicin aids digestion and has considerable cytotoxic, antimicrobial and phytotoxic activity.
Choleretic and hypolipidemic action: Through its bitter properties, blessed thistle increases the flow of gastric juices relieving dyspepsia, indigestion and headaches associated with liver congestion. British and German Phannacopoeias recognize that 'bitters', including blessed thistle, stimulate bile flow and cleanse the liver.
In Europe "bitter vegetable drugs" are considered medicinal agents and used to stimulate appetite, aid digestion, and promote health. Studies confirm that bitters increase gastric juice and bile acid secretions by increasing the flow of saliva through stimulation of specific receptors on the mucous membrane lining of the mouth.
The inner bark is very rich in mucilage, a complex mixture of polysaccharides including pentoses, methylpentoses and hexoses which form a soothing gelatinous fiber upon hydration. After hydrolysis these polysaccharides give galactose and traces of glucose and fructose.
Demulcent action: The mucilage of slippery elm bark resists hydrolysis primarily by the stomachs acids and enzymes; therefore, it acts as a demulcent and emollient to the digestive system and soothes the throat, nasal passages, and lungs. The bark's viscous fiber has several direct and indirect beneficial effects: 1) reduces bowel transit time; 2) absorbs toxins from the bowel; 3) increases fecal bulk and dilutes stool materials thereby reducing stool contact with the intestinal mucosa, and 4) enhances beneficial colonic bacteria and provides an excellent substrate for bacterial fermentation.
At least ten native tribes of Canada and the United States have used this plant as a food and medicine. Sorrel contains vitamin C, A, B complex, D, E, K P and U. Several key trace elements and minerals are abundant in the herb, including: calcium, iron, magnesium, silicon, sulphur, copper, iodine, manganese, and zinc. The leaves and stems contain beneficial carotenoids, chlorophyll, and organic acids (ie, malic, oxalic, tannic, tartaric and citric).
Laxative effect: At low doses, most Rumex species are useful for treating diarrhea; however, at higher doses, they are mild laxatives due to the presence of anthraquinones, that directly effect the neuromuscular tissue and stimulate peristalsis. At higher dosages, the anthraquinones increase the mucous production of colonic mucosa cells and stimulate secretion of water into the intestinal lumen, thereby exerting a laxative effect. The high content of tannins also can provide astringent action.
Anthraquinones are the active ingredient in the root, including emodin. Emodin at different concentrations has many benefits including: antiinflammatory at 15mg/Kg, antiseptic; antispasmodic; cathartic, cytotoxic with a CD50 of 2.6ug/ml; immuno-suppressive; vasorelaxant and viricidal. The root also contains a high tannin content.
digestive ailments: Turkish rhubarb root has been used traditionally to improve both digestion and loss of appetite. The bitter root tea increases the flow of saliva and gastric secretions and functions as a safe and effective laxative. The plant is a component of many choleretic drugs because of its laxative properties. The laxative sermosides A and B, as glycosides, are inactive precursors in which the sugar moiety acts as a transport group. The glycosides are hydrolysed in the organism into their aglycones at least in part by the action of bacterial enzymes; by influencing the water and electrolyte transport in the colon, these aglycones are responsible for the laxative action.
Kelp contains abundant minerals and significant quantities of iodine, calcium, potassium, magnesium, phosphorus, iron and silicon. Total iodine varies between 0.1 to 0.8%. Kelp should not exceed arsenic levels above 3.0 ppm and lead levels above 10.0 ppm based on the internationally recognized Food Chemicals Codex.
Demulcent action: The alginates in kelp largely resist hydrolysis by the stomach acids and enzymes, and therefore act as a demulcent and emollient to the digestive system and increase the amount of fermentable material in the colon. The short-chain fatty acids produced are used as an energy source by colonocytes and may inhibit hepatic cholesterol synthesis and bring the associated health benefits of enhanced beneficial intestinal microflora, such as inulin from burdock root or the mucilage from slippery elm bark. As with other soluble fibers, the alginates have a soothing and cleansing effect on the digestive tract and are known to assist in resisting absorption of toxic metals like mercury, cadmium, plutonium and, cesium.
Hydrasorbent laxative action: Hydrasorbent laxatives, such as the alginates from kelp, are a type of bulk forming laxative which increase in bulk more than 20 times their original volume by absorbing water. This large swell volume is much greater than other types of bulk laxatives such as psyllium, cellulose and bran, which swell very little, compared to alginates. Compared to other bulk laxatives, kelp alginates are more effective than other bulk laxatives for dealing with habitual constipation and gastric bloating because they increase swell volume acting specifically in intestinal juices rather than water or gastric juices. In addition, alginates reduce intestinal transit time, soothe the intestinal mucosa, have acceptable taste and are nonirritating.
Watercress contains large amounts of mustard oil glycosides called glucosinolates, specifically gluconasturtiin, which is then hydrolyzed to 2- phenethyl isothiocyanate (PEITC). PEITCs give watercress its characteristic aroma and produce the characteristic tingling sensation on the tongue. Watercress is a rich source of vitamins A and C, and trace minerals including sulphur, iodine, calcium, and manganese.
Nutritional supplement and digestive aid: In Europe, watercress is popular as a blood cleanser and part of several phytopharmaceutical choleretic preparations (a choleretic increases the flow of bile into the intestines). The fresh leaves are a superior food medicine containing high levels of vitamins A, C, and iodine.
- Harborne JB, Herbert B; Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. London: Taylor & Francis, Inc.; 1993.
- Gibson etal. Selective stimulation of bifidobacteria in the human colon by oligofructose and inulin. Gastroenterology. 1995; 108: 975-982.
- Floverstad T, BjomekleLt A Short-chain fatty acids and bowel functions in man. Scandinavian J. of Gastroenterology. 1984; 19: 1059-65.
- Mes C. Non-soluble dietary fiber effects on lipid absorption and blood serum lipid patterns. Lipids. 1985; 20: 802-807.
- Fernandes , Shahani. Anicarcinogenic and immunological properties of dietary lactobacili. Journal of Food Protection. 1990; 53: 704-710.
- Franke AA, Custer Q, Cerna CM, Narula KK. Quantitabon of phyloestrogens in legumes by HPLC. Journal of Agricultural Food Chemisb-y. 1994; 42: 19051913.
- Salonierm H, Wahala. K Nykanen-Kurki P, Kallela K Saastamomen 1. Phytoestrogen content and estrogenic effect of legume fodder. Proceedings of the Society for Experimental Biol. & Medicine. 1995; 208: 13-17.
- Derwick P Red Clover. Phytochemistry. 197; 16: 93.
- Duke JA Red Clover. HerbalGram. 1989; 18/19: 13.
- Cooley etal. Synthesis of first lignans found in man and animals. Tetrahedron Letters. 1981; 22: 349.
- Stitch etal. Occurrence of lignans, enterolactone and enterodiol in man and animal species. Nature. 1980; 287: 238.
- Duke J; Handbook of Biologically Active Phylochemicals and their Activities. Boca Raton, FL: CRC Press; 1992: 32.
- Rodriguez etal. Biological activities of sesquiterpene lactones. Phytochemistry. 1976; 15: 1573-1580.
- Bradley PRe; British Herbal Compendium. Volume 1, A handbood of scientific information on widely used plant drugs. Holy Thistle. Bournemouth, Dorset- British Herbal Medicine Association; 1992.
- Blumenthal M, Senior Editor, The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Boston, MN American Botanical Council; 1998.
- Hardman eae; Goodman and Gilmans" The Pharmacological Basis of Therapeutics. 9th ed. McGraw-Hill Health Professions Division; 1996.
- Weiss RF; Herbal Medicine. aanslated from the 6th German edition of Lehrbuch der Phylotherapie by AR. Meuss, FIL, MITI. Beaconsfiled, Bucks, England: Beaconsfield Publishers, Ltd.; 1988.
- Sticher 0. Plant mono, di- and sesquiterpenoids with pharmacological or therapeutic activity. New Natural Products and Plant Drugs With Pharmacological, Biological and Therapeutic Acfivitv. (Wagner, H. and Wolff, P (Eds). Beflin: Springer-Verlag; 1997: 137-175.
- Beveridge RJ, Stoddart JE Szarek 1AA, Jones JKN. Some structural features of the mucilage from the bark of Ulmus fulva (Slippery elm mucilage). Carbohydrate Research. 1969; 9: 429-439.
- Beveridge Rj, Szarek WA Jones JIi\. Isolation of three oligosaccharides from the mucilage from the bark of Ulmus fulva (Slippery Elm musilage). Synthesis of 0-(3-0-methyl-B-D-galactopyranosyl)-(1-4)-L-rhamnose. Carbohydrate Research. 1971: 19: 107-116.
- Bradley led); Slippery Elm Bark in British Herbal Compendium, Volume 1. Bournemouth, Dorset- British Herbal Medicine Assn. 1992: 204.
- Duke A Ulmus rubra Mhul. (Ulmaceae). Boca Raton, FL: CRC Press; 1985.
- Pedersen M; Nutritional Herbology Bradley (ed). Bountiful, Utah: Pederson Publ., 1987.
- Ibmer N, Kuhnlein H; Traditional Plant Foods of Canadian Indigenous Peoples. Nutrition, Botany and Use. Food and Nutrition in History and Anthropology, Volume 8. Philadelphia, Pk- Gordon & Breach Science Publishers; 1991; 8.
- Thomas R The Essiac report. 1993.
- Yagi T, Yamauchi K Kuwano S. The synergistic purgative action of aloe-emodin anthrone and drem anthrone in mice: synergism in large intestinal propulsion and water secretion. Journal of Phann. Pharmacol. 1997; 49: 22-25.
- Foster S, Duke JA, Sheep Sorrel in Medicinal Plants. New York, NY. Houghton Mifflin Co.; 1990: 214.
- Duke JA Emodin. Handbook of Medicinal Herbs. Boca Raton, FL: CRC Press; 1985: 572.
- Duke JA 'ffirldsh rhubarb. Handbook of Medicinal Herbs. Roca Raton, FL: CRC Press; 1985: 404.
- Tierra MCN; The Way of Herbs. USA- Simon Schuster, Inc.; 1990.
- Wichd Med; Rhei radix - turkish rhubarb root. Herbal Drugs and Phytopharmaceuticals. ed. Stuttgart: Medpharm Scientific Publ. (CRC PRess); 1994.
- Dreessen M, Eyssen H, Lemli J. The metabolism of sermosides A and B by the intestinal microflora: in vitro and in vivo studies on rat and mouse. J. Pharm. Pharmacol. 1981; 33: 678-81.
- Lunde G. Analysis of trace elements in seaweed. Journal of Scientific Food Agriculture. 1970; 21: 416-418.
- Newall CA, Anderson LA Phillipson JD; Kelp in Herbal Medicines. A Guide for Health Care Professionals. London: The Pharmaceutical Press; 1996.
- Behall KM. Dietary fiber: nutritional lessons for macronutrient substitutes. Annals of the New York Academy of Sci. 1997; 819: 142-154.
- Castleman M; The Healing Herbs. The Ultimate Guide to the Curative Power of Nature's Medicines. Emmaus, PA- Rodale Press/Book Reader Service; 1991.
- Mulinos MG, Jerzy Glass GB. The treatment of constipation with a new hydrasorbent material derived from kelp. Gastreenterology. 1953; 24: 383-393.
- Wealth of India; a Dictionary of Indian Raw Materials and Industrial Products, Volume VII. New Delhi: N-Pe Publication and Information Directorate CSIR 1991.
- Wichtl Med; Nasturii Herba - Watercress. Herbal Drugs and Phyto-Pharmaceuticals. Stuttgart CRC Press , by Medpharm Scientific Publishers; 1994.