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Standardized Grapefruit Extract

by Rennie Taylor
January 1996

I came across this brochure and thought some of you might be interested. It discusses some questions we've had presented here in the recent past as well.

Standardized Grapefruit Extract (Citrus paradisi):
A Multi-Purpose Liquid Concentrate

Grapefruit extract is manufactured via a unique bio-technical process that isolates all the natural protective elements from the seeds and pulp of the fruit Citrus Paradisi. This natural grapefruit extract has been shown effective against numerous microorganisms (germs) including:

  • Gram positive bacteria such as Staphylococcus, Streptococcus and Listeria.
  • Gram negative bacteria such as E. coli, Klebsiella, Legionella, Salmonella, Shigella, Cholera and Pseudomonas.
  • Fungi and Yeasts such as Candida, Aspergillus and Trichophyton.
  • Viruses such as Herpes Simplex 1, Influenza A, and some animal viruses.
  • Parasites such as Giardia lamblia, Entamoeba histolytica and Chlamydia.

    Chemical analyses of standardized grapefruit extract have shown that this material is free of pesticides, PCBs and heavy metals.

    INTERNAL USE (Never Use Full Strength)

    Orally: Suggested Use: Adults mix 5-15 drops in 5 oz. of water or juice, 2-3 times daily, with or without meals. Children (ages 3-10) mix 2-5 drops in a 6 oz. glass of juice, 1-2 times daily. Do not put directly in mouth.

    Diarrhea: As a preventative when traveling, camping or eating out mix 3-4 drops in your beverage or glass of water everytime you eat or drink. If it is too late, then use the suggested oral amount above.

    Allergies (hay fever & food sensitivity): Mix 5-10 drops into 5 oz. of water or juice, 2-3 times daily, with or without meals. Do not put directly in mouth.

    Dental Rinse (for healthy gums and fresh breath): Mix 2-3 drops into a small glass (2 oz. or more) or water. Vigorously swish a small amount of the water for 10 seconds or more, 1-2 times daily. Also, a perfect additive for your Waterpik type units. Mix 3-5 drops to the reservoir of water. Always dilute.

    Sore Throat Gargle: Mix 3-5 drops into a small glass (2 oz. or more) of water. Gargle several times. Use as often as needed. Always dilute.

    Ear Rinse: Thoroughly mix 3-6 drops with 1 oz. of glycerin. Apply 1-2 drops of diluted solution in affected ear 1-2 times daily. Repeat as often as needed. Do not use full strength in ears.

    Nasal Rinse: Mix 1 drop of grapefruit extract and a pinch of salt with 2 oz. of water. With your head tilted back, fill each nostril with a full eye dropper's worth of the mixed solution. Swing head forward and down (head is now upside down) to force soultion up into nasal passages. Return head to the normal upright position and allow nasal passages to drain. Do not inhale through the nose during this process. Use diluted only.

    Douche: Mix 2-6 drops in 6-8 oz. of water. Douche once or twice daily for one week. Douche more often if desired. Use diluted only.

    EXTERNAL USE (Never Use Full Strength)

    Facial Cleanser (normal skin and acne): Thoroughly moisten (splash) face with warm or cool water. With hands and face still we, apply 2-3 drops to your fingertips and gently massage facial area with circular motions. Rinse thoroughly with cool water and pat dry. a tingling sensation may follow.

    This is an indication of the deep cleansing properties of grapefruit extract. Do not leave on face for more than 2 minutes. Do not apply directly to dry unmoistened facial skin.

    Skin Disorders (minor skin infections, warts, athlete's foot): Mix 1 drop of extract with 10 drops of water or flycerine (1:10 ratio). Apply this mixture directly to affected area, 1-2 times daily. May cause temporary irritation to sensitive skin areas. Flush with water if any irritation occurs. If irritation persists, discontinue use. Irritation is only temporary.

    Nail Fungus: Mix 1 drop of extract with 10 drops of water or glycerin (1:10 ratio). Apply this mixture directly on surface of nail along the cuticle and underneath the front of nail, twice daily or for as long as desired.

    Scalp Treatment (including dandruff): Add 5-10 drops of extract to each shampooing (mix in hand or on head with shampoo). Massage into scalp and leave on for at least 2 minutes. Rinse off thoroughly with water. May also be used without shampoo. Always rinse off, do not leave on scalp for more than 15 minutes.


    Toothbrush Disinfectant: Stir 5-10 drops of grapefruit extract into a glass of water. Submerge toothbrush for 15 minutes (or leave in between uses). Rinse toothbrush before using. Change water and re-mix every few days.

    Vegetable/Fruit or Meat/Poultry Disinfectant: Sink Washing - Add 30 or more drops of grapefruit extract to a sink full of cold water. Briefly soak any vegetables, fruit, meat or poultry. Spray Washing - Add 20 or more drops of grapefruit extract to a 32-oz. spray bottle of water. Spray on vegetables, fruit, meat or poultry.

    Dish and Utensil Sanitizing Additive: Add 15-30 drops of grapefruit extract to sink dishwashing water or to final rinse. Add 15-30 drops to automatic dishwasher with dishwasher detergent or to final rinse.

    Cutting Board Disinfectant: Apply 10-20 drops of grapefruit extract to cutting board and work into entire board with a wet sponge or dish cloth.

    Leave on for at least 30 minutes. Rinse with water.

    All Purpose Disinfectant: Add 50-100 drops of grapefruit extract to any 32-oz. store bought spray cleaner or 32-oz. plain water sprayer. Use on all surfaces around the house.

    CAUTION: Do not put in eyes. Do not use full strength in ears, mouth or nose. Do not use full strength on skin. If contact occurs, flush with cool water for at least 10 minutes. If irritation persists, use aloe vera or vegetable oil to help relieve any irritation. Irritation is temporary and could last 48 hours. Keep out of the reach of children.

    Disclaimer: Information contained in this flyer is believed to be accurate and is offered in good faith for clinical education only. Information contained within is not intended as a recomendation, diagnosis, prognosis, prescription, or to preclude proper medical care.

    Courtesy of Nutrition Fact Finding Project

    This article is copyrighted. No reprints without permission

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    Cyndi Norwitz / webmaster@immuneweb.org / Last Modified: 1/18/98