Regarding betel nut's medicinal uses, its most frequently cited benefit is undoubtedly its anthelmintic properties, with optimal efficacy against tapeworms and liver flukes.Combining betel nut with pumpkin seeds yields the best deworming results. Betel nut strongly paralyzes the head and anterior segments of tapeworms, while pumpkin seeds effectively paralyze the middle and posterior segments.Combining these two ingredients complements their strengths, paralyzing the entire tapeworm so it can be expelled through intestinal peristalsis. Residents of southern provinces have a tradition of chewing betel nuts, which start bitter but become sweet and increasingly fragrant with chewing, developing a mellow flavor. Su Dongpo praised it as "a taste of exquisite charm," giving it high acclaim.
The origin of the name "betel nut" is linked to "bin" and "lang." Both "bin" and "lang" were ancient terms for honored guests, equivalent to modern-day "guest of honor," "distinguished guest," or "VIP."
Why do people cherish betel nut so deeply? Beyond its edible appeal, its therapeutic properties play a significant role. Luo Dajing, in his work Crane Forest Jade Dew, highlighted four remarkable qualities of betel nut: "It can sober the drunk, intoxicate the sober, satisfy the hungry, and make the full hungry." While this sounds mystical, closer examination reveals a certain logic.After chewing betel nut, one's face flushes after a short while, resembling the effects of alcohol—thus "awake, it can make one drunk." Su Dongpo's poem "Red flushes climb the cheeks, drunk on betel nut" captures this very essence. Conversely, if consumed after drinking, betel nut's ability to relieve gas and expel phlegm can instantly sober one up, hence "drunk, it can make one awake."When consumed on an empty stomach, it creates a feeling of fullness, while eating it after a meal facilitates rapid digestion. Thus, it reconciles the contradictions between sobriety and intoxication, hunger and satiety. Consequently, ancient physicians ranked betel nut as the foremost among the four major southern medicinal herbs, alongside amomum, eurycoma, and cinnamomum.
Numerous references appear in classical Chinese medical texts. For instance, the Compendium of Famous Physicians' Prescriptions records: "It aids digestion, expels water, removes dullness, kills three types of worms, and eliminates parasitic organisms." Indeed, many anthelmintic patent medicines and pediatric formulations for malnutrition, such as Ganji San, Fei'er Wan, Huachong Wan, Quhui Wan,Xiao'er Kang, all contain betel nut. In the book "Yao Long Xiao Pin," author Peng Jingshan recounts his experience treating his wife's parasitic infestation in his youth: "I ground Lei Wan and Shijunrou into a powder totaling five qian, combined with four liang of betel nut, and decocted it in water." After taking the medicine, "the next day, a tapeworm over six feet long was expelled," and the illness "was completely cured thereafter."Evidence of betel nut's vermifuge efficacy is thus well-established. Among the Dai people of Yunnan, a folk legend tells of a beautiful and kind-hearted maiden named Lanxiang. Gifted in song and dance, diligent and virtuous, she was beloved by all the young men in the village. Yet her heart belonged to Yanfeng, the most skilled dancer of the "elephant-foot drum."The two were deeply in love, as inseparable as butterflies from flowers.
Yet amidst this sweetness, tragedy struck: Lanxiang's belly swelled day by day. Rumors soon spread throughout the village, and even her beloved abandoned her. Her father, consumed by anger and grief, picked a string of betel nuts and forced her to swallow them, wishing she would die in peace.Unable to speak her truth, Lanxiang ground the betel nuts into a paste and swallowed them. As the villagers waited, staring at each other in anticipation of her death, Lanxiang crawled painfully into the woods, clutching her stomach. But within minutes, she emerged miraculously, her belly now flat.It turned out she had expelled a worm as long as a snake—she had never been pregnant at all. Everyone realized they had wronged Lanxiang and understood that betel nut was actually an effective remedy for expelling parasites.Why does betel nut possess anthelmintic properties? From the perspective of Traditional Chinese Medicine, betel nut is pungent and bitter in taste, warm in nature, and enters the Stomach and Large Intestine meridians. The Stomach is the sea of water and grains, while the Large Intestine is the passageway for transmission. These two meridians work in tandem, their shared function being the transformation and transportation of refined substances.If the transformation of these vital substances becomes impaired over time, it may lead to phlegm accumulation or prolonged damp-heat, which in turn breeds various parasites. Betel nut enters these two meridians with a weight akin to stone or iron. Once in the stomach and large intestine, it promptly clears accumulated waste.With the environment cleaned up, parasites lose their habitat and naturally cannot survive.
Of course, betel nut's vermifuge effect also relates to its arecoline content. Arecoline paralyzes the head and anterior segments of tapeworms. Once paralyzed, the tapeworm struggles to resist betel nut's sinking action and is expelled from the body via feces.
However, betel nut is not a universal anthelmintic and is not effective against all types of parasites. It is primarily used to combat tapeworms and flukes, with the most ideal results observed against pork tapeworms.
So how does one use betel nuts for deworming? Generally, combining them with pumpkin seeds yields the best results. This is because betel nuts strongly paralyze the head and anterior segments of tapeworms, while pumpkin seeds strongly paralyze the middle and posterior segments.Combining these two remedies complements their respective strengths, paralyzing the entire tapeworm and expelling it through intestinal peristalsis.
The specific method is as follows: Adults take 50–90 grams of pumpkin seed kernel powder (or 80–125 grams if using seeds with shells) on an empty stomach. Two hours later, consume a decoction of betel nut (dried, sliced,80 grams boiled in 500 ml water until reduced to 150–200 ml filtered liquid), followed by 50–60 ml of 50% magnesium sulfate solution after another half hour. Typically, a fully active tapeworm is expelled within 3 hours. Dosage should be reduced for children and individuals of lighter weight.
Beyond its anthelmintic properties, betel nut's other major function is to aid digestion, resolve food stagnation, and break up qi stagnation to promote downward movement. Its "nature descends like iron and stone," capable of drawing stagnant qi from the highest parts of the body and expelling it to the lowest regions. Thus, it proves highly effective in the adjunctive treatment of various chronic gastrointestinal disorders.
How can betel nut be used to treat gastrointestinal diseases?Slice 8 grams of betel nuts into thin pieces and soak them in 300 milliliters of water for about 2 hours. Transfer the slices and soaking liquid to a pot, bring to a boil, skim off any foam, then simmer over low heat for 30 minutes. Strain the liquid, mix in 10 grams of honey, and your betel nut honey drink is ready.Drink 100ml twice daily on an empty stomach—once in the morning and once in the afternoon—for at least 4 consecutive weeks. This regimen effectively treats chronic gastritis and duodenal ulcers caused by Helicobacter pylori.
A similar formula is the Betel Nut Decoction: Combine 12g betel nuts, 12g radish seeds, 6g dried tangerine peel, and sugar to taste.First slice or crush the betel nuts, lightly roast the radish seeds, then combine all ingredients in an earthenware pot with 700ml water. Simmer over medium heat for 30 minutes, strain out solids, add a small amount of sugar, and consume.
Though beneficial, betel nut should not be consumed excessively. Li Shizhen noted that betel nut consumption damages vital energy and is unsuitable for prolonged use. Modern scientific research also confirms that frequent, long-term betel nut chewing causes oral lesions. Furthermore, excessive betel nut use can lead to addiction, much like smoking, making it difficult to quit.Those who habitually chew betel nuts must exercise strict self-control.
Selected Betel Nut Therapeutic Recipes
(1) For tapeworm, hookworm, roundworm, whipworm, etc.: 60–100 betel nut slices and 100g pumpkin seeds. Decoct in water and consume.
(2) For heart and spleen pain: Equal parts galangal and betel nut, each stir-fried and ground into powder. Mix with rice water and take 6–9 grams per dose.
(3) For indigestion, abdominal pain, and loss of appetite: Take 10g each of betel nut and stir-fried radish seeds, 1 piece of dried tangerine peel, and an appropriate amount of white sugar. Crush the betel nut, boil all ingredients together, strain out the residue, add white sugar, and drink as a tea substitute.
(4) For constipation or difficulty urinating: Take 6–9g of betel nut, decoct in water, and drink.