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herb properties and uses

Flavors and Actions of Herbs

by Susan Marynowski 

In the recent discussion of cranberry, someone said that they drank pure cranberry juice (without sugar) and that it was "bitter." Cranberry is actually a "sour" flavor! This has prompted me to write about the flavors, which I believe are a doorway to understanding the plants and their actions. As a perpetual student, this will be a review for me and hopefully interesting for the newer herbalists on the list.

Many traditions categorize plant medicines based on their flavors. Flavors are a great way to understand plants because they relate to the chemical composition of the plants, and therefore the actions of those plants. The Chinese have a 5-flavor system, while the Ayurvedic tradition honors 6 flavors. Native Americans also had flavor categories for plants, as did the ancient Greeks and other lost western traditions. Not every herb fits neatly into these categories, and some herbs have more than one flavor, but this is a great start to understanding plant chemistry. There can be many subdivisions and nuances in flavor, but here's just a basic description of some of the flavors of plants, from a multi-ethnic perspective.

PUNGENT: Also called "acrid" or "spicy," herbs with this flavor are warm or hot and drying in energy. Pungent plants usually contain volatile oils. Many of our favorite essential oils come from pungent plants. They are excellent digestive herbs ("carminatives") and blood purifiers and they move poor circulation and dispel conditions of cold and mucus. They often move energy from the inside of the body to the outside of the body ("diaphoretic"), opening the pores and allowing sweating to occur. They are relaxing and also possess antimicrobial activity. They have a direct effect on the lungs and the colon. Great bunch of plants for "cold" colds without fevers! Think of herbs in the mint family (marjoram, rosemary, thyme, lavendar, mints), ginger, herbs in the Apiaceae family (angelica/dong quai, fennel, coriander, cumin, dill, anise), prickly ash, cayenne, black pepper, garlic.

SWEET: The sweet flavored herbs are warm-to-neutral and moist in nature. This kind of sweetness is the full flavor of complex carbohydrates and other macronutrients, not the empty sweetness of pure sugars (which are cooling in nature). These herbs/foods tend to build, harmonize, strengthen, tonify, and nourish the body, especially for those with a lack of energy or weak blood. They have an inward and consolidating action. These plants actually form the bulk of most diets around the world (e.g., grains, beans). It is now believed that the polysaccharides (long-chain carbohydrates) in mildly sweet herbs and foods are the reason for their long-term nourishing and immunostimulant effects. In excess, however, sweet (esp. empty sweets) can cause congestion and lethargy and dampen (quell) the digestive fires. Examples of sweet herbs include ginseng, jujube dates, cinnamon, licorice, astragalus. (While classified as a bitter herb, echinacea also contains these immunostimulating polysaccharides.)

SOUR: The understanding of sour herbs is divided among different traditions. Some of the sour herbs are warming and moistening. This warming group tends to gain its flavors through the presence of organic acids and bioflavonoids. These foods cleanse the body of toxins and promote digestion. Some are cardiac tonics. They stimulate digestion by directly affecting the liver and galbladder. Sour herbs are high in vitamins (e.g., Vitamin C = ascorbic acid). Examples of these warming sour herbs/foods include citrus, berries (blackberries, cranberries, strawberries, etc.), plums, peaches, pineapple, hibiscus ("red zinger"), rose hips, hawthorn berry, vinegar.

ASTRINGENT: Astringent herbs (also called "sour" by the Chinese) are typically cooling and drying and condensing. They gain their flavor from the presence of chemical constitutents called tannins. These herbs are most useful for tissue contraction and fluid absorption, such as in stopping excess perspiration, loss of fluids, diarrhea, or excess mucus secretion or bleeding. They are especially tonifying to the mucous membranes of the digestive tract, urinary tract, uterus, and kidneys. In excess, astringent herbs can actually harm digestion by coating the mucus linings of the digestive tract, just as tannins act to toughen the flesh when tanning hides. Examples include blackberry leaf, raspberry leaf, strawberry leaf, schizandra, black walnut hulls.

BITTER: The bitter herbs are generally cooling and drying in nature. The bitter flavor comes from chemical components such as alkaloids and glycosides. Bitter herbs are detoxifying, anti-inflammatory, antibacterial, and antiviral in action. They stimulate the secretion of bile, which stimulates the digestion and normal bowel elimination. They also help clear the blood of cholesterol. This taste stengthens the hearts and small intestines and cleanses the blood. Bitter is America's least favorite flavor, with the notable exception of coffee, with its stimlulating alkaloid, caffeine. Bitter to excess can cause too much cooling and drying. If bitter herbs are being used for more long-term digestive treatment, they often are balanced with warming "carminative" pungent herbs. Examples include dandelion, gentian, turmeric, any of the berberine-containing plants (goldenseal, barberry, etc.) 

SALTY: The salty taste is generally cold in energy. It stabilizes and regulates fluid balance and also has a softening effect, such as on hardened lymph nodes, tight muscles, constipation, or tumors. Salty herbs have an effect on the kidneys, adrenals, and bladder and they can improve elimination and bowel action. Salty herbs also help control gas and coughs. A craving for salt is often a sign of adrenal exhaustion. In excess, plain salt can be irritating and heating to the body, causing water retention and high blood pressure. Herbs high in mineral salts, however, will not cause these complications. Examples include nettles, plantain, seaweeds (considered warming in some traditions). 

I recommend that you and your herbal friends to get together during the cold of winter and have an herb tasting. Have one or several friends be the hosts, who prepare the "mystery" infusions ahead of time. Then, just like tasting fine wines, you can taste and describe and discuss the flavors (one at a time!) and try to guess what effects the plants would have and perhaps even identify the plants from their flavors. This is a great exercise for even experienced herbalists, and for new herbalists helps to develop the refined sense of taste needed to begin to know and understand the plants. The bitter flavor, in particular, is one for which we should all cultivate a better appreciation!

Now for the person who thought that cranberry was bitter: If you aren't sure what bitter tastes like, start with some turmeric from the spice rack, or make some strong yarrow tea, which is mildly bitter. Graduate to some goldenseal or boneset tea to really get a hit of bitter. Or try some Swedish bitters before a meal to stimulate digestion. Then compare the flavor of straight cranberry, and you will know the difference between sour and bitter. Sour makes your cheeks pucker, while bitter hits the back of the tongue in a very satisfying way! Cheers! --Susan

Specific Herbs

herb descriptions will follow this order:

  • herb name
  • characteristic
  • uses
  • cautions, if any

Alfalfa

  • salty, bitter, cooling, neutral
  • arthritis, fatigue, pituitary gland, mineralizes, blood thinner
  • seeds unless sprouted.

Aloe Vera  (aloe  barbadensis)

  • aloin, aloes, muco-  polysaccharides  cool, moist
  • Burns, wound healing, laxative, radiation, frostbite, anti-biotic, anti-viral, immune stimulant, anti-inflammatory
  • allergenic for some. Inner-leaf latex is purgative. Do not use whole-leaf juice unless a laxative is desired.

Angelica  (Angelica sinensis, Dong Quoi)

  • essential oils and fatty acids: ligustilide, safrol, carvacrol, ferulic acid.  aromatic, pungent, warming
  • antibacterial, ant fungal, immuno-stimulant, anti tumor, stimulates progesterone secretion, reduces arrhythmia.

Anise

  • excess mucus, estrogen, whooping cought, colic, intestinal cleanser

 

Astragalus  (astragalus membranaceus)

  • sweet, warm
  • Anti-viral (papillomavirus and herpes) synergistic with inteferon, deep immune building

Bayberry

  • drying, cooling, astringent, aromatic
  • polyps, blood builder, jaundice, goiter, 

Bearberry  (Uva Ursi

  • hydroquinone, arbutin, allantoin
  • diuretic, astringent, urinary antiseptic, cystitis, herpes & flu virus.

Bee Pollen 

  • linolenic acid, sterols, amino acids, vitamins, enzymes, minerals, trace elemets
  • lower blood fats, suppress atherosclerotic plaques
  • use commercially processed products to avoid allergies.

Beet root

  • sweet, nourishing
  • liver cleanser

Bilberry  (vaccinium myrtillus)

  • antiviral: herpes, influenza. anti-fungal, yeast, bacteria, protozoan. antihistamine, improves vision.

Birch  (betula spp)

  • methyl salicylate
  • poultice, tea, fevers, rheumatism, 

Black Cohosh

  • estrogen, bronchitis, nerves

Blessed Thistle  (Cnicus benedictus)

  • bitter, cooling drying
  • diuretic, diaphoretic, febrifuge. Indigestion, appetite stimulant, liver, gallbladder, candida

Bloodroot  (sanguinaria canadensis)

  • tormentil, tannic acid
  • astringent, polyps, tumors, wound healing
  • Not to be taken internally. Poisonous. Causes death.

Blue Cohosh

  • nerves, cramps, induces labor, spasms
  • carcinogen

Blue Flag

  • lymphatic cleanser, swollen glands, clogged liver

Blue Vervain

  • bitter, cooling, moistening
  • tranquilizer, virus, insomnia, expectorant

Boneset  (Eupatorium perfoliatum)

  • sesquiterpene lactones  bitter, acrid, cooling, drying
  • reduces fever, body pain, influenza, induces perspiration
  • purgative in large doses.

Boswellia  (Boswellia sernata)

  • gum resin containing boswellic acids
  • anti-inflammatory, arthritic rheumatic

Buchu  (agathosma betulina)

  • limonene, diosphenol, glycosides, flavonoids
  • urinary, kidney, prostate

Burdock

  • bitter, sweet, alterative
  • blood purifier, liver detox, gout, arthritis, skin blemishes

Calendula

  • hot, dry, astringent
  • blood cleanser, tumors, skin pigment disorders, healing salve for cuts and wounds

Cayenne  (Capsicum frutescens)

  • capsaicin, pungent
  • general stimulant, used internally and externally for pain, improved digestion., circulation

Cascara Sagrada

  • liver purge, gall bladder, laxative

Catnip

  • fevers, virus, relaxant, digestion

Chamomile  (matricaria chamomilla)

  • flavanoid apigenin, essential oils: alpha-bisabodol., soothes intestines
  • digestion, soothing, antispasmodic, bowel gas pain, sedative. eye wash
  • some allergic response.

Chaste berry  (vitex agnus castus)

  • volatile oils,
  • reduce sexual desire, adjust production of female hormones, progesterogenic, endometriosis, PMS.

Chickweed

  • bland, salty, cooling, drying
  • emulsifies fat, obesity , blood purifier, dissolves fatty tumors, aids fat metabolism

Cherry  (Prunus spp)

  • hydrocyanic acid (cyanide) benzaldehyde amygdalin
  • bark: cough sedative  fruit: gout
  • All parts except fruit toxic in large doses.

Cinnamon

  • digestion, antiseptic

Cleavers

  • goiter, diuretic, liver, skin

Comfrey

  • bland, cooling drying
  • lungs, bones, muscle, digestion, poultice, fast wound healing.. not for deep wounds
  • carcinogen

Cornsilk

  • soothing, bitter, mucilant
  • kidneys, bladder, liver

Cramp Bark

  • cramps, lung, heart, uterus

Damiana

  • diuretic, nerves, depression, mucus

Dandelion

  • bitter, salty, cooling drying
  • liver, diuretic, spleen, urinary tract

Daisy

Devil's Claw

  • bitter, cold
  • inflammation, liver tonic, arthritis, headaches, cholesterol

Dill weed

  • nervine, gas, digestion, calmative

Dong Quai

  • stimulates progesterone, nerves, female glands

Dulse

  • thyroid, depression, female problems, palpitations, enhances absorption of calcium

Echinacea

  • bitter, acrid, cooling drying
  • antibiotic, antiviral, lymph, prostate, 

Elderberry

  • respiratory, lymph

Elder flowers

  • cough, colds, fevers, allergies

Elecampane

  • warming, stimulating
  • bronchitis, phlegm, cough, lungs

Eye Bright

  • astringent, tonic, cooling, drying
  • eye-wash, feather spray, sinus, cataracts, upper respiratory

False Unicorn

  • digestion, cough, kidneys

Fennel

  • suppresses appetite, indigestion, colic, spasms

Fenugreek 

  • sweet, bland, warming
  • mucus, lungs, lymph, cholesterol, weight gain

Feverfew 

  • bitter, cold, aromataic, dry. for exploding headaches
  • pain, migraines, sinus, 

Garlic  (allium sativum)

  • alliin & allinase convert to allicin when garlic is crushed. quercetin, cyanidin, selenium, over 75 sulphur compounds. 
  • Allicin is destroyed in cooking. Use fresh cloves or dried. Antibiotic, viral, fungal, tumor, parasitic. antioxidant, lowers cholesterol, inhibits clotting and inflammation.
  • Can cause heinz body anemia in dogs and cats.

Gentian

  • liver, jaundice, spleen, circulation, digestion

Ginger

  • aromatic, warming, pungent stimulating
  • indigestion, colic, nausea, circulation, vertigo

Ginko

  • aids vasoconstrictive headaches.
  • circulation, memory, muscular degeneration, stroke

Golden Seal

  • bitter, cooling, drying
  • infections, pancreas, blood sugar, antibiotic, urinary
  • Substitute with Oregon grape when possible.

Goto Kola

memory, brain, pituitary, depression, senility

Grapefruit seed extract (GSE)

  • antibiotic, antifungal
  • must be diluted before use. must use probiotics after use.
  • do not use in eyes.

Hawthorn

  • heart, adrenals, blood pressure, stress, angina, arteriosclerosis

Hops

  • aromatic, bitter, cool, dry. estrogeni
  • nerves, sleep, alcoholism, spastic, hyperactivity

Horehound

  • bitter, aromatic, cooling and drying
  • expectorant, antispasmodic, lungs

Hydrangea

  • cooling, soothing
  • bone spurs, kidney stones, gall stones, bladder infection, arthritis

Juniper Berries

  • irritating diuretic, hot, dry
  • infections, urinary infections diuretic, pancreases, diabetes
  • poisonous to birds

Kava Kava

  • nerves, relaxant, pain killer, antifungal, anticonvulsant, muscle relaxant
  • do not overdose, can paralyze muscles

Kelp

  • thyroid, goiter, pituitary, obesity

Kudzu (chinese Gen gen)

  • sweet, acrid, cool. dehydrogenase inhibitor, diadzin, diadzine, Riboflavin.
  • May cure alcoholism. Goes to stomach an and spleen.

Lemon Balm

  • anti-viral, circulation, antipyretic, digestion

Lemon Peel

  • diuretic, immunity, antibiotic, colds

Licorice

  • sweet, bitter, warming, moistening
  • low blood sugar, coughs, hoarseness, sore throats, toic

Lobelia

  • acrid, bitter
  • nervine, relaxant, coughs, congestion
  • Use cautiously, can kill.

Marshmallow

  • cool, moist, bland to sweet
  • kidneys, bladder, soothes digestive, urinary , respiratory

Meadowsweet

  • gastritis, antacid, pain, inflammation

Milk Thistle

  • bitter, cooling drying
  • liver tonic, hepatitis, rashes depression

Mullein

  • bland, salty, drying  nourishes lungs
  • lungs, pain, asthma, lymph

Myrrh

  • sour, astringent, cooling, drying
  • antiseptic, inflammation, skin sores, lung. contains manganese

Nettles

  • salty, mineral rich
  • circulation, blood purifier, blood pressure, rheumatism, nourishing mineral rich

Oatstraw

  • heart, nerves, urinary problems, kidney stones

Orange Peel

  • pungent, warm dry
  • digestion, phlegm, coughs

Oregon Grape

  • bitter, cold, dry. replaces goldenseal
  • lymph, liver, acne, anti-inflammatory

Passion Flower

  • bitter, cooling
  • nervine, sedative, blood pressure

Pau D'Araco

  • sour, astringent, drying, cooling
  • blood purifier, prostate, ant tumor, anti fungal

Peppermint

  • cooling, drying
  • colds, flu, heartburn, digestions, nauseas

Prickley Ash Bark

  • heart, circulation, tissue builder

Purple Loosestrife

  • eyes, liver, gall bladder, kidney

Red Raspbery 

  • sour, astringent, cooling, drying
  • diarrhea, female tonic, fevers

Red Root

  • Liver tonic, lymph, expectorant

Rose Buds

  • colic digestion, diarrhea, bioflavanoids

Sage

  • antiseptic, astringent, reduces sinus inflammation

St John's Wort (Hypericum)

  • nerves, insomnia, bronchitis, depression

Sarsparilla

  • sweet, bitter, warming, moistening
  • blood purifier, liver tonic, skin, male tonic

Saw Palmettto

  • prostaate male reproductive organs, digestion, 

Schizandra berry

  • high blood sugar, sedative, sweating

Shavegrass

  • bladder, brttle nails, circulation, bleeding

Siberian Ginseng

  • longevity, blood pressure, endurance, depression

Skullcap

  • nerves, insomnia, high blood pressure

Slippery Elm

  • cool, moist, sweet, bland soothing, nourishing
  • burns, colitis, lungs, diarrhea, coughs, digestive tract
  • Substitute with Marshmallow when possible

Spearmint

  • colds, flu, gas, dalmative

Spikenard

  • acne, pulmonary, expectorant, diaphoretic

Stevia

  • natural sweetner, diabetes, heart problems

Tansey

  • heart, colon cleanse, worms

Turmuric

  • Curcumin, a natural derivative of the spice turmeric, induces glutathione S-transferase activity and reverses aflatoxin induced liver damage (produced by aspergillus). 

Thyme

  • hot, dry, aromatic
  • colds, coughs, indigestion, antiseptic

Una de Gato (Cat's Claw)

  • joint pain, immune builder, anti viral

Uva Ursi

  • dry, irritating, astringent, disinfectant
  • urinary tract problems, spleen, kidney

Valerian

  • bitter, aromatic, cooling, drying
  • nerves, pain, insomnia, anti-spasmodic

White Pine

  • hot, dry astringent
  • mucus, throat problems, lung, 

White Pond Lily

  • tumors, prostrate, uterine problems

White Willlow

  • astringent, cooling, drying
  • pain killer, anti-inflammatory, fever, astringente

Wild Cherry

  • mucus, phlegm, bronchitis, fever

Wild Lettuce

  • bitter, cold, dry
  • pain killer, bronchitis, cramps, whooping cough, nerves

Wood Betony

  • aromatic
  • anxiety, blood oxygenator, liver, aches and pains

Wormwood

  • worms, cholagogue, stomachic, anti-inflammatory

Yarrow

  • lung tonic, liver tonic, anti-inflammatory, antipyrretic, stops bleeding

Yerba Santa

  • hot, dry, resinous
  • lungs spleen, expectorant, alterative

Yohimbe

  • testosterone stimulant, impotency, frigidity