Black walnut leaves, bark and fruits contain a constituent called juglone, aka 5-hydroxy-1,4-naphthalenedione, an active constituent known to be effective against worms, tobacco mosaic virus and H-pylori. English walnut bark is POSSIBLY UNSAFE. Do not use internally during pregnancy. Use poultice of green hulls for ringworm. The wood is used for fine furniture. Black walnut bark is POSSIBLY UNSAFE. Black Walnut has been used in herbal medicine for thousands of years. Uses, Benefits, Cures, Side Effects, Nutrients in Black Walnut. The nut itself was used to prevent weight gain, calm hysteria, eliminate morning sickness, and to strengthen one's constitution. Dry walnut bark when you first collect it, then pound into a powder. Inner bark used as a laxative. This can be mixed with just enough water to create a thick paste and then applied to wounds and sore joints to help them heal faster. Blisters, ulcers, itchy scalp/dandruff, sunburn, and perspiration are some of the conditions treated with various walnut preparations. It has been used throughout history for treatment of intestinal problems, snakebites, open wounds, ulcers, scurvy, and as one of the most effective laxatives available. List of various diseases cured by Black Walnut. Its bark, roots, leaves, nuts, and husks have all been used at different times. Names of Black Walnut in various languages of the world are also given. Taking the bark daily might increase the risk for tongue or lip cancer. The first question I get when a student goes to harvest their own walnuts is, “What is the husk?” The second question is “When do I know it’s ready?” The husk is the fleshy covering over the walnut shell. Because of its dark color, the outer hull is also used as a dye and was used in brown hair dye until the early 1900s. Magnolia bark may be dried and ground. Historically, walnut oil was prescribed for colic, to soothe intestines, and to relieve diarrhea and hemorrhoids. When applied to the skin: English walnut bark is POSSIBLY UNSAFE. Further folk uses include treating rickets, frostbite, and glandular disturbances, and as an astringent, tonic restorative, and disinfectant. Plumbagin, or 5-hydroxy-2-methyl-1,4-naphthoquinone, is a quinoid constituent that’s also found in Juglans nigra. How Black Walnut is effective for various diseases is listed in repertory format. The walnut served to induce sweating, cure diarrhea, soothe sore gums and skin diseases, cure herpes, and relieve inflamed tonsils. Today, it is mainly black walnut leaves, nuts, and husks that are used. In herbal medicine, Black Walnut leaves have been used to make a soothing skin and eye wash, powder from green hulls is anti-parasitic, the bark is astringent and was chewed for toothaches. Don't take black walnut bark by mouth or apply it to the skin. 15. Magnolia Bark Helps You Sleep. Add the powder to gel caps to make it easier to take and you can take a couple a day.