The following list of Herbs, roots, barks, leaves, and berries with which glycerin combines to form glycerides.  Fifty percent glycerin will preserve them perfectly.  They will not evaporate unless boiled or heated to 100°.  They will not ferment or become rancid, form molds, or sour.  They will keep indefinitely without loss of strength or virtue if kept in actinic (brown-colored) bottles and well stoppered.  Therefore, glycerin is of inestimable value for making water extracts.

All water/glycerin tinctures are made as an individual base and then combine tinctures for formulas.  The shelf life is indefinite; fact is you make what you need as you go. 

  ---References--- “Advanced Treatise in Herbology” by – Edward E. Shook, N.D., D.C.  Copyright by Wendell W. Whitman 302 E. Winona Avenue, Warsaw, IN  46580, Pages 187 – 189

-   Adders tongue (Erythronium americanum)

-   Anise (Pimpinella anisum)

-   Althea (Marsh mallow)

-   Arnica (Arnica Montana)

-   Archangel (Angelica atropurpurea)

-   Barberry (Berberis vulgaris)

-   Bearberry (Arctostaphylos uva-ursi)

-   Balm (Melissa officinalis)

-   Bilberry (Verbena hastate)

-   Bitterroot (Apocynum androsaemifolium)

-   Bittersweet (Solanum dulcamara)

-   Blue vervain (Verbena hastate)

-   Black alder (Prinos verticillatus)

-   Blue cohosh (Caulophyllum thalictroides)

-   Blue flag (Iris versicolor)

-   Black cohosh (Cimichifuga racemosa)

-   Bryonia (Cryonia alba)

-   Bugleweed (Lycopus virginicus)

-   Boneset ((Eupatorium perfoliatum)

-   Blackberry (Rubus villosus)

-   Burdock (Arctium lappa)

-   Broom (Cytisus scoparius)

-   Bethroot (Trillium pendulum)

-   Buchu (Barosma crenata)

-   Crawley (Corallorhiza odontorhiza)

-   Candy tuft (Iberis amara)

-   Cedron seed (Cedron simaba)

-   Celandine (Chelidonium majus)

-   Comfrey (Symphytum officinalis)

-   Chicory (Chicorum intebus)

-   Coltsfoot (Tussilago farfara)

-   Cotton root (Gossypium)

-   Corsican moss (Fucus helminthocorton)

-   Columbo (Cocculus palmatus)

-   Cramp bark (Viburnum opulus)

-   Cubebs (Piper cubeba)

-   Dandelion (Leontodon taraxacuim)

-   Dogwood (Cornus florida)

-   Dwarf elder (Sambucus ebulus)

-   Elder (Sambucus canadensis)

-   Elecampane (Inula helenium)

-   Feverfew (Pyrethrum parthenium)

-   Feverweed (Gerardia pedicularia)

-   Fenugreek (Trigonella foenum graecum)

-   Fireweed (Gerardia pedicularia)

-   Five finger grass (Potentilla canadensis)

-   Fit plant (Monotropa uniflora)

-   Flaxseed (Linum)

-   Female Fern (Polypodium vulgare)

-   Fragrant valerian (Valeriana officinalis)

-   Galangal (Alphinia galangal)

-   Gentian (Gentiania lutea)

-   German chamomile (Anthemis nobilis)

-   Goldenseal (Hydrastis canadensis)

-   Gold Thread (Coptis trifolia)

-   Hops (Humulus lupulus)

-   Hyssop (Hyssopus officinalis)

-   Irish Moss (Chondrus crispus)

-   Kousso (Brayera anthelmintica)

-   Lily root (Water lily)

-   Lungwort (Pulmonaria)

-   Mexican damiana (Turnera microphylla)

-   Mistletoe (Viscum album)

-   Motherwort (Leonurus cardiaca)

-   Myrtle berry (Bayberry)

-   Oak bark (Quercus)

-   Oregon grape root (Berberis aquifolium)

-   Plantain (Plantago lanceolata)

-   Prickly ash bark (Xanthoxylum)

-   Rhubarb (Rheum palmatum)

-   Strawberry leaves (Fragaria Virginia)

-   Sweet birch (Betula lenta)

-   Walnut leaves (Juglans)

-   Wild yam (Dioscorea)

-   Yellow dock (Rumex crispus)

-   Yellow parilla (Menispernum)

Any or all of these can be made into fluidextracts as directed for burdock and walnut leaves above. Dr. Shook believe these glycerin extracts in the strength of 1 in 2 are superior to alcoholic, etheric, or any other extracts ever made, for any and all purposes.  Glycerin, however, is not suitable to be used for resinous or oily herb extracts. For that purpose, alcohol is the most satisfactory menstruum for the simple reason that glycerin, unlike alcohol, will not dissolve or mix with resins or oils.  One more special and very valuable item of information about glycerin is that it unites with many insoluble poisons which have been administered by doctors and have become lodged or deposited in the tissues of the body including various forms of mercury, iodine, mineral sulfates, arsenic, strychnine, and so forth.

            Dr. Shook believes that sometimes exceedingly difficult to dissolve and dislodge these poisons from the tissues.  Glycerine will often dissolve them and carry them out of the organism.  Just as soon as these dreadful poisons are cast out, the sufferer regains health.  So many mysterious diseases which defy diagnosis are caused by deposited poisons.  Therefore, this information is priceless to the practicing herbalist.

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