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Health benefits of Kudzu

Kudzu Quick Facts
Name: Kudzu
Scientific Name: Pueraria montana
Origin East Asian countries (India, Indochina, China, Japan, Korea, Myanmar, Thailand, Laos, Vietnam, Malaysia, Indonesia, Philippines, Papua New Guinea.)
Colors Initially green turning to tan with stiff golden-brown hairs as they mature
Shapes Elongated and flattened pod 5-12 cm long and about 12 mm wide that are relatively flat and bulging above the seeds
Taste Sweet
Health benefits Reduce alcohol dependence, Help treat liver damage, Alleviate menopausal symptoms, Anti-inflammatory for Joint Pain, Promote heart health, Alleviate severe headaches, Eases upset stomach, Eases symptoms of metabolic syndrome, Chest pains, Diabetes, Kidney disease in people with diabetes, Exercise performance, Heart failure, Weight loss
Kudzu or Kudzu Vine scientifically known as Pueraria Montana is a fast-growing perennial vine belonging to Fabaceae / Leguminosae (Pea family). The plant is noted for its rapid and invasive growth. The plant is native to East Asian countries (India, Indochina, China, Japan, Korea, Myanmar, Thailand, Laos, Vietnam, Malaysia, Indonesia, Philippines and Papua New Guinea.). Probably it is also native to, or an early introduction to, some western Pacific islands (i.e. Fiji, New Caledonia, the Solomon Islands and Vanuatu). It was introduced to South America and Southern United States, Africa, Central Asia, Ukraine and Caucasus. It is also present in the coastal districts of north-eastern Northern Territory, and is regarded as being native to this area.

Some of the popular common names of the plants are Kudzu, Japanese arrowroot, Kudzu vine, Wild kudzu, Taiwan kudzu, Kudsu, Rhodesian kudzu vine, Kudzu Bean, Kudzu Hemp, Thing-ba, arrowroot, gegen, kudsubohne, kudzu vine root, kudzubohne, kudzuranker, kudzuvine root, kuzu, lobed kudzuvine, mealy kudzu, mudgaparni, pueraria, pueraria flower, pueraria radix and pueraria root. The genus name Pueraria is named in honor of Marc Nicolas Puerari (176-1845), a Swiss botanist. The species name, Montana, is Latin and means pertaining to mountains.

It is a very useful plant, supplying food, medicines and fiber, as well as being grown in soil conservation projects. It was at one time very widely grown for its edible root and useful fiber, especially in east and Southeast Asia and the Pacific Islands. The plant is commonly used in Chinese herbal medicine to treat alcoholism, fever, colds, diarrhea, dysentery, angina pectoris, migraine, measles, boils, swellings, mouth sores, etc. The roots, a staple food in Japan, are cooked or made into noodles. The flowers, young shoots, roots and young leaves can be cooked. The flowers can also be pickled. Aside from the above-mentioned uses, also functions as ground cover and fiber from its stems are made into ropes, cables, coarse cordage, etc.

Kudzu Facts

Name Kudzu
Scientific Name Pueraria montana
Native East Asian countries (India, Indochina, China, Japan, Korea, Myanmar, Thailand, Laos, Vietnam, Malaysia, Indonesia, Philippines, Papua New Guinea.). Probably it is also native to, or an early introduction to, some western Pacific islands (i.e. Fiji, New Caledonia, the Solomon Islands and Vanuatu).
Common Names Kudzu, Japanese arrowroot, Kudzu vine, Wild kudzu, Taiwan kudzu, Kudsu, Rhodesian kudzu vine, Kudzu Bean, Kudzu Hemp, Thing-ba, arrowroot, gegen, kudsubohne, kudzu vine root, kudzubohne, kudzuranker, kudzuvine root, kuzu, lobed kudzuvine, mealy kudzu, mudgaparni, pueraria, pueraria flower, pueraria radix, pueraria root
Name in Other Languages Adi: Ridin
Afrikaans: Kudzu, kudzuranker 
Albanian: Kudzu
Amharic: Kuduzu (ኩዱዙ)
Arabic: Kudzu (كودزو)
Armenian: Kudzu (կուձու)
Azerbaijani: Kudzu
Bengali: kudzu (ko͝odzo͞o)           
Bulgarian: Kudzu (ko͝odzo͞o)
Burmese: Kudzu (ko͝odzo͞o)        
Chinese: Gé (葛), Shan ge teng, Shan ge (山葛), ge ma mu, Gan shu teng, Ge teng, Ye ge, Ge gen, Fen ge teng, Ko t’eng, Ko ten, yuè nán gé téng (越南葛藤)
Croatian: Kudzu
Czech: Kudzu
Danish: Kudzu
Dutch: Kudzu
English: Kudzu, Japanese arrowroot, Kudzu vine, Wild kudzu, Taiwan kudzu, Kudsu, Rhodesian kudzu vine, Kudzu Bean, Kudzu Hemp
Esperanto: Kudzu
Estonian: Kudzu, Hõlmine pueraaria
Fijian: Nggariaka, wa yaka, yaka, aka
Filipino: Kudzu
Finnish: Kudzu, Purppurakudzu
French: Kudzu, Dolique kudzu tonkinoise, Kudzu de Formose, Nepalem, Vigne japonoise, Koudsou, Koudzou, kudzu du Japon   
Georgian: Kudzu (კუდზუ)
German: Kudzu, Kudzubohne                   
Greek: koutzoú (κουτζού)
Gujarati: Kuḍajhu (કુડઝુ)
Hausa: Kudzu
Hebrew: קודזו
Hindi: Kudzu (ko͝odzo͞o), sisali, mugani, mugawana, mungani
Hungarian: Kudzu, Kudzu nyílgyökér      
Icelandic: Kudzu
Indonesian: Kudzu, Bitok, Ngu lok, Tebi, Tobi
Irish: Kudzu       
Italian: Kudzu, pueraria
Japanese: Gé (葛), Taiwankuzu (タイワンクズ), kuzu, Daisumame, Fusi maki kadsura, In ken maki, Katsi maki, Kudzu, Saitzu mame
Javanese: Kudzu             
Kannada: Kuḍju (ಕುಡ್ಜು), kohasaru    
Kazakh: Qudzw (құдзу)
Khasi: Suting, Suting-rit
Korean: Kujeu (쿠즈), chilg (칡), Chilk, Cheulk, Chuk, Chik
Kurdish: Kudzu
Lao: Kudzu (ko͝odzo͞o), Chüa tau kung, Khauz pièd
Latin: Kudzu
Latvian: Kudzu
Lithuanian: Kudzu
Macedonian: Kudzu (кудзу)
Malagasy: Kudzu
Malay: Kudzu
Malayalam: Kuḍ‌su (കുഡ്‌സു)
Maltese: Kudzu               
Marathi: Kuḍajhū (कुडझू), arkamath, arkmut, jangli mung
Mizo: Hruihmul
Mongolian: Kudzu (кудзу)
Nepali: Kudzu (ko͝odzo͞o)
Niuean: Aka, aka fala, fou gau   
Norwegian: Kudzu         
Oriya: Kudzu
Papau New Guinea: Goruma, Gosima, Kagomba, Mapumb, Mudja, Nggaoka, Ngko-ko, Owitu, Sifu, hgedafo, kenangia, kohena, ko’pitu, korono, muntamagana, nggondumu, ngko’ahi, oka mapumb, oka moi, op, so’onea, wowitu
Pashto: کوډزو  
Persian: کودزو, پیورریا مونتانا
Philippines: Baai, tahaunon
Polish: Kudzu, Opornik łatkowaty
Portuguese: Kudzu, cincamas, cudzu, inhame-cot-da-China        
Punjabi: Kuḍazū (ਕੁਡਜ਼ੂ)
Romanian: Kudzu
Russian: Kudzu (кудзу)
Solomon Islands: Lebu
Samoan: A‘a
Sanskrit: kakamudga (काकमुद्ग), marjaragandhika (मार्जारगन्धिका), mudgaparni (मुद्गपर्णि)
Serbian: Kudzu (кудзу)
Sindhi: ڪدو      
Sinhala: Kuḍsu (කුඩ්සු)
Slovenian: Kudzu
Spanish: Kudzu, Kudzu comun, Kudzu ordinario
Sundanese: Kudzu         
Swedish: Kudzu, Kudzuböna     
Tajik: Kudzu (кудзу)      
Tamil: Kuṭsu (குட்ஸு), cirupayaru, narip payaru, naripayar
Telugu: Kuḍju (కుడ్జు), pillippersara
Thai: Kudzu (ko͝odzo͞o), Tum yaa krua
Tongan: aka, akataha, fue‘ae puaka, Fue Alpuaka
Turkish: Kudzu 
Ukrainian: Kudzu (кудзу), Puerariya lopastnaya (Пуэрария лопастная)
Urdu: کڈزو        
Uzbek: Kudzu
Vietnamese: Sắn dây, Day cae lan, Day dan, Cu nang, Cu san day
Wallisian: Aka
Welsh: Kudzu
Yapese: Dedai, deday
Zulu: Kudzu
Plant Growth Habit Large, fast growing, leguminous, aggressive, trifoliate-leaved, semi-woody, climbing, coiling, and trailing deciduous perennial vines
Growing Climates Riparian habitats, forest edges, woodland, thickets, thin woods, moist forests, watercourses, roadsides, waste areas, disturbed sites, right-of-ways, old fields, rail embankments, abandoned pastures, banks of inland water bodies, fencerows, open pastures, hedges, river sides, swamps
Soil Succeeds in most well-drained soils in a sunny position, though it does not make good growth on very light poor sand or on poorly drained heavy clay. Grows best on well-drained loam soil of good fertility. Plants cannot stand waterlogging on any soil
Plant Size Grows up to 20 metres per year and can achieve a height of 30 metres.
Root Roots are tuberous, up to two meters long and 18 to 45 centimeters wide that can weigh as much as 180 kilograms on old plants.
Stem Succulent and yellow green with dense, erect golden hairs and upward-matted silver hairs, aging to ropelike and light gray barked. Young stems are hairy, becoming smooth, brown. Older stems are up to 7.5 cm (3 in) in diameter frequent unswollen nodes root
Leaf The very large alternately arranged leaves are compound with three leaflets (i.e. they are trifoliate) and borne on stalks (i.e. petioles) 8-13 cm long with long hairs, swollen bases, and deciduous stipules. Tips are pointed. Margins are thin membranous and fine golden hairy.
Flowering season August-September.
Flower Pea-shaped flowers are produced during summer and are borne in elongated clusters (15-40 cm long) in the upper leaf forks (i.e. in axillary racemes). These clusters contain up to 90 purple, blue, pink or violet-coloured flowers (12-20 mm long). The flowers have five sepals 6-12 mm long that are fused together at the base, and five petals.
Fruit Shape & Size Elongated and flattened pod 5-12 cm long and about 12 mm wide that are relatively flat and bulging above the seeds
Fruit Color Initially green turning to tan with stiff golden-brown hairs as they mature
Taste Sweet
Plant Parts Used Tuberous roots, flower, leaves, shoot, seeds
Propagation Primarily by runners, stolons (slender horizontal stems) and rhizomes. Limited spread by seed
Lifespan More than 2 years
Available Forms
  • Powdered drink mixes
  • Capsules
  • Disintegrating tablets
  • Liquid extract drops
Health Benefits
  • Reduce alcohol dependence
  • Help treat liver damage
  • Alleviate menopausal symptoms
  • Anti-inflammatory for Joint Pain
  • Promote heart health
  • Alleviate severe headaches
  • Eases upset stomach
  • Eases symptoms of metabolic syndrome
  • Chest pains
  • Diabetes
  • Kidney disease in people with diabetes
  • Exercise performance
  • Heart failure
  • Weight loss
Precautions
  • Leaves of the closely related Pueraria hirsuta (which might be no more than a synonym for this species) have pointed hairs and these can cause severe irritation.
  • Avoid use during pregnancy.
  • Diabetic people should avoid it.
  • Avoid in case of excessive Sweating and Stomach cold.
  • Kudzu root may reduce the effectiveness of birth control due to its estrogenic effects.
  • Kudzu root may lower blood sugar too much or slow down blood clotting so it may be a good idea to avoid if you use blood thinning or diabetes medications.
  • Kudzu root dietary supplements may cause liver injury.

Plant Description

Kudzu is a large, fast growing, leguminous, aggressive, trifoliate-leaved, semi-woody, climbing, coiling, and trailing deciduous perennial vines with extensive root system. In optimum conditions, it is found growing up to a foot per day and to 100 feet in a single growing season. The plant is found growing in Riparian habitats, forest edges, woodland, thickets, thin woods, moist forests, watercourses, roadsides, waste areas, disturbed sites, right-of-ways, old fields, rail embankments, abandoned pastures, banks of inland water bodies, fencerows, open pastures, hedges, river sides and swamps. The plant succeeds in most well-drained soils in a sunny position, though it does not make good growth on very light poor sand or on poorly drained heavy clay. It grows best on well-drained loam soil of good fertility. Plants cannot stand waterlogging on any soil.

Roots

Kudzu roots typically reach a soil depth of 1-3 m (3-9 ft.) with high starch and water contents and are capable of storing large amounts of carbohydrates. Roots are tuberous, up to two meters long and 18 to 45 centimeters wide that can weigh as much as 180 kilograms on old plants. The vines spread by rhizomes and by stems that root at the nodes. When left unchecked, particularly in warm winter climates, vines can cover shrubs and tree canopies, choking out and killing entire plant communities. Vines have also been known to collapse buildings and bring down utility poles. The voracious nature of this vine has given rise to a number of tongue-in-cheek common names such as “the vine that ate the South”.

Stem

Stems are succulent and yellow green with dense, erect golden hairs and upward-matted silver hairs, aging to ropelike and light gray barked. Young stems are hairy, becoming smooth, brown. Older stems are up to 7.5 cm (3 in) in diameter frequent unswollen nodes root when on the ground to form new plants when interconnecting vines die, eventually growing large with age to form root crowns 1 to 10 inches (2.5 to 25 cm) wide. Mature bark eventually rough, rigid, and usually dark brown.

Leaves

The very large alternately arranged leaves are compound with three leaflets (i.e. they are trifoliate) and borne on stalks (i.e. petioles) 8-13 cm long with long hairs, swollen bases, and deciduous stipules. Tips are pointed. Margins are thin membranous and fine golden hairy. At the base of each leaf stalk there is a pair of small leafy structures (i.e. stipules) 8-16 mm long. Each of the large leaflets is 7-20 cm long and 5-13 cm wide and may be un-lobed or slightly lobed and usually has pointed tips (i.e. acuminate apices). The uppermost (i.e. terminal) leaflet is usually slightly larger and three-lobed, while the two side (i.e. lateral) leaflets usually have two lobes. Some or all of these leaves may be shed during cooler and/or drier conditions (i.e. it is deciduous). Both sides of the leaflets are sparsely hairy (i.e. pubescent). The upper surfaces are light green while the undersides are grayish-green. Leaves have the ability to reorient rapidly in relation to the sun to optimize photosynthesis and decrease temperature and water loss

Flowers

The pea-shaped flowers are produced during summer and are borne in elongated clusters (15-40 cm long) in the upper leaf forks (i.e. in axillary racemes). These clusters contain up to 90 purple, blue, pink or violet-coloured flowers (12-20 mm long). The flowers have five sepals 6-12 mm long that are fused together at the base, and five petals. The uppermost petal (i.e. standard) is larger than the two side petals (i.e. wings) and has a yellow spot near its base. The two lower petals are fused together and folded (i.e. into a keel). The flowers also have ten stamens, nine of which are fused together with the other being separate from the rest, and an ovary topped with a style and stigma. Flowering normally takes place in between August-September. Flowers are produced on plants exposed to direct sunlight and pollination is by insects. Flowers and fruits are produced only on vertically twining and hanging vines.

Fruits

Fertile flowers are followed by elongated and flattened pod 5-12 cm long and about 12 mm wide that are relatively flat and bulging above the seeds. Fruits are initially green turning to tan with stiff golden-brown hairs as they mature. Fruits are hairy and mature in early fall becoming dry and tan to split on one or both sides to release three to 10 seeds or detach intact. The pods produce only a few viable seeds in each pod cluster. The compressed kidney-shaped seeds are nearly round and about three to four millimeters long. Seeds are dispersed by wind, animals, and water.

History

Kudzu is native to Asia where it has long been cultivated for its starchy tubers (food crop and medicinal uses) and for its hemp like fibers. It was first introduced into the U.S. as an ornamental landscape planting at the Japanese Pavilion at the Philadelphia Centennial Exposition of 1876. During the first half of the 20th century, before its aggressive nature was fully understood, it was widely planted in the southeastern U.S. as a forage crop and for erosion control. In Missouri, it was planted along highways for bank stabilization. Over the past 100 years, it has escaped cultivation and naturalized in many areas of the eastern U.S. from Connecticut to Oklahoma south to Florida and Texas, becoming perhaps the most infamous invasive weed in the country. Although early on the Federal Government promoted its use, in 1997, it was classified as a noxious weed under the Federal Noxious Weed Act of 1974. It is currently the target of numerous extinction programs.

Health benefits of Kudzu root

Kudzu root consists of more than 70 plant compounds, some of which may be responsible for the root’s potential health benefits. Listed below are some of the well-known health benefits of using Kudzu root

1. Reduce alcohol dependence

Several researches suggest kudzu root may help treat alcohol use disorder or alcohol dependence. The participants of one research reported their desire for and consumption of alcohol for the duration of the study. Researchers found that the kudzu extract had no effect on alcohol cravings, but it reduced the number of weekly alcoholic drinks by 34–57%.

Additionally, the men who took kudzu had fewer heavy drinking days per week and had considerably more consecutive days with no alcohol consumption. Research found that people who took puerarin, an isoflavone extract from the kudzu plant, prior to drinking took longer to consume alcoholic beverages.

It’s important to note that these studies used kudzu extract, which may have contained other parts of the kudzu plant besides the root. Therefore, scientists need to do more research in this area on the effects of kudzu root specifically. (1), (2), (3), (4)

2. Help treat liver damage

Kudzu root is rich in antioxidants, compounds that protect cells from oxidative stress that can lead to disease. The isoflavone puerarin is the most abundant antioxidant compound in the kudzu vine.

Research found that kudzu vine extract was extremely beneficial in treating alcohol-induced liver damage by scavenging harmful free radicals and boosting the natural antioxidant system. (5)

3. Alleviate menopausal symptoms

Menopausal and peri-menopausal symptoms, such as night sweats and hot flashes, may be relieved by the use of Kudzu root extract. Research indicates that taking the extract by mouth can reduce hot flashes throughout the day. And relieve vaginal dryness associated with menopause. There is also some indication that Kudzu root extract may improve the cognitive abilities of menopausal women. Thus preventing the dreaded change brain. This is thought to be due to the increased blood flow as a result of Kudzu extract consumption. The extra blood helps to keep the vaginal walls lubricated. And it increases the body’s ability to cool itself during hot flashes.(6), (7), (8), (9), (10)

4. Anti-inflammatory for Joint Pain

For those who suffer from joint pain, the anti-inflammatory properties of the chemical Daidzein found in Kudzu root may provide welcome relief. It does so by increasing blood flow to the joints including knees and ankles. Kudzu helps your body naturally heal from stress caused by overuse or improper movement in your joints. In addition to helping your body move more naturally, Kudzu has anti-inflammatory properties. They can help reduce swelling of the joints and increase mobility. Users may experience a greater range of motion once the swelling begins to recede, and greater mobility as walking, standing, and even jogging become easier. (11)

5. Promote heart health

Kudzu root offered heart-protective benefits to mice with burn-induced heart injuries. People have also used it in traditional Chinese medicine for heart disease, but scientists need to do more research on this. (12), (13)

6. Alleviate severe headaches

Research conducted in Yale University concluded that Kudzu extract has been shown to reduce the frequency of cluster headaches. In addition to limiting the frequency of cluster headaches, Kudzu extract has been demonstrated to reduce the pain associated with the headaches – a pain that some say beats any other human pain. Although the extract may not alleviate all of the pain from cluster headaches, even mitigating that pain has been a blessing for sufferers. Chemicals in Kudzu increase cerebral blood flow, thus increasing the blood going to the brain. It is shown to prevent swelling and stiffness in the neck, which can worsen cluster headaches. (14)

7. Eases upset stomach

Kudzu can help ease digestion and improve bowel movements, both of which are the causes of tummy ache. With its anti-inflammatory properties, it can help with bowel irritation and promote healthy gut bacteria. Regular consumption of the kudzu root as food, versus the extract, has been shown to alleviate discomfort from irritable bowel syndrome and acute diverticulitis. The thick, viscous consistency of Kudzu coats the interior walls of the stomach and small intestine, protecting it from harsh stomach acids that cause irritation and heartburn. Stomach ulcers can also receive the protection Kudzu root provides, and the fiber in the root helps digestion flow properly, thus excluding some of the severity of leaky gut syndrome.

8. Eases symptoms of metabolic syndrome

The chemical puerarin, one of the phytochemicals found in Kudzu, has been demonstrated to aid in the treatment of metabolic syndrome. This includes increasing insulin sensitivity and lowering blood sugar. It aids the metabolic processes in the body, including processing glucose. It does this by directing glucose away from fat cells and the blood and toward muscle cells. Thus not only decreasing the body’s blood sugar but making it more effective in movement, as well. People with diabetes will find relief from better-managed metabolism and blood sugar regulation. Interestingly athletes, particularly endurance athletes, may enjoy the benefits of having better glucose processing in their muscles.

9. Chest pains

Earlier research suggests that puerarin, a chemical in kudzu, might improve signs and symptoms of chest pain when taken by mouth or injected intravenously (by IV). Some evidence recommends that using IV puerarin along with usual treatment might be more effective than usual treatment alone. However, researches on puerarin are of poor quality and might not be dependable. Puerarin injection products are not available in North America.

10. Diabetes

Earlier research suggests that taking puerarin, a chemical in kudzu, 750 mg daily by mouth along with the diabetes medication rosiglitazone (Avandia) decreases blood sugar in patients with type 2 diabetes. However, injecting puerarin intravenously (by IV) does not appear to reduce blood sugar.

11. Kidney disease in people with diabetes (diabetic nephropathy)

Early research suggests that taking puerarin, a chemical in kudzu, and 750 mg daily by mouth along with the diabetes medication rosiglitazone (Avandia) improves kidney function in people with diabetic nephropathy.

12. Exercise performance

Early research suggests that taking a combination supplement containing kudzu isoflavones along with other ingredients might improve exercise performance in some people.

13. Heart failure

Some research recommend taking puerarin, a chemical in kudzu, 400 mg/day by mouth for 10 days. It might improve heart function in people with heart failure.

14. Weight loss

Early research suggests that taking kudzu extract 300 mg by mouth daily for 12 weeks reduces body fat and body mass index (BMI) in people who are obese. However, taking kudzu extract 200 mg daily does not appear to have the same effects.

Traditional uses and benefits of Kudzu

Ayurvedic Health benefits of Kudzu

Culinary Uses

Recipes

Kudzu Herbal Soup

Ingredients

Directions

  1. Blanch pork in boiling hot water
  2. Clean, scrub and cut arrowroot into chunks
  3. Wash and drain other ingredients
  4. Bring a pot of water to boil, add all ingredients
  5. Boil for 15min on high heat. Then cover, reduce heat and continue boiling for 1.5-2 hours
  6. Off heat and serve hot

Kudzu root pudding

Ingredients

Directions

  1. Place water and kudzu powder into a saucepan. Whisk until powder is dissolved.
  2. Add coconut milk, maple syrup, cinnamon, ginger, vanilla bean scrapings and sea salt. Place over medium heat. Whisk often.
  3. When mixture comes to a slow boil, remove from heat and allow simmering for 5 minutes. Pour into ramekins or desired serving cups. Refrigerate for 2 hours before serving.

Other Facts

Special Precautions and Warnings

Pregnancy and breast-feeding

There is not enough reliable information about the safety of taking kudzu if you are pregnant or breast feeding. Stay on the safe side and avoid use.

Bleeding or blood clotting disorders

Kudzu might slow blood clotting. It might make bleeding and blood clotting disorders worse, and it might also interfere with medications used as treatment.

Cardiovascular (heart and blood vessel) conditions

There is a concern that kudzu might interfere with cardiovascular treatments. Kudzu extracts seem to lower blood pressure and affect heart rhythm in animals.

Diabetes

Kudzu might affect blood sugar levels in people with diabetes. Watch for signs of low blood sugar (hypoglycemia) and monitor your blood sugar carefully if you have diabetes and use kudzu.

Hormone-sensitive condition such as breast cancer, uterine cancer, ovarian cancer, endometriosis, or uterine fibroids

Kudzu might act like estrogen. If you have any condition that might be made worse by exposure to estrogen, don’t use kudzu.

Liver disease

There is some concern that taking kudzu might harm the liver. In theory, kudzu might make liver diseases, such as hepatitis, worse. People with liver disease or a history of liver disease should avoid kudzu.

Surgery

Kudzu might affect blood sugar levels and might interfere with blood sugar control during and after surgery. Stop taking kudzu at least 2 weeks before a scheduled surgery.

Different Control Methods

Crown removal

Destroying the full underground system, which can be extremely large and deep, is not necessary for successful long-term control of kudzu. Killing or removing the kudzu root crown and all rooting runners is sufficient. The root crown is a fibrous knob of tissue that sits on top of the roots. Crowns form from multiple vine nodes that root to the ground, and range from pea- to basketball-sized. The age of the crowns is correlated to how deep they are in the ground. Nodes and crowns are the source of all kudzu vines, and roots cannot produce vines. If any portion of a root crown remains after attempted removal, the kudzu plant may still grow back.

Mechanical methods of control involve cutting off crowns from roots, usually just below ground level. This immediately kills the plant. Cutting off the above-ground vines is not sufficient for an immediate kill. Destroying all removed crown material is necessary. Buried crowns can regenerate into healthy kudzu. Transporting crowns in soil removed from a kudzu infestation is one common way that kudzu unexpectedly spreads and shows up in new locations.

Mowing

Close mowing every week, regular heavy grazing for many successive years, or repeated cultivation may be effective, as this serves to deplete root reserves. If done in the spring, cutting off vines must be repeated. Regrowth appears to exhaust the plant’s stored carbohydrate reserves. Harvested kudzu can be fed to livestock, burned, or composted.

Burning

Prescribed burning is used on old extensive infestations to remove vegetative cover and promote seed germination for removal or treatment. While fire is not an effective way to kill kudzu, equipment, such as a skid loader, can later remove crowns and kill kudzu with minimal disturbance or erosion of soil.

Herbicide

Systemic herbicides like glyphosate, triclopyr, or picloram, can be applied directly on cut stems, which is an effective means of transporting the herbicide into the kudzu’s extensive root system. Herbicides can be used after other methods of control, such as mowing, grazing, or burning, which can allow for an easier application of the chemical to the weakened plants.  In large-scale forestry infestations, soil-active herbicides have been shown to be highly effective.

After initial herbicidal treatment, follow-up treatments and monitoring are usually necessary, depending on how long the kudzu has been growing in an area. Up to 10 years of supervision may be needed after the initial chemical placement to make sure the plant does not return.

Fungi

Since 1998, the United States’ Agricultural Research Service has experimented with using the fungus Myrothecium verrucaria as a biologically based herbicide against kudzu. A diacetylverrucarol spray based on M. verrucaria works under a variety of conditions (including the absence of dew), causes minimal injury to many of the other woody plants in kudzu-infested habitats, and takes affect quickly enough that kudzu treated with it in the morning starts showing evidence of damage by midafternoon. Initial formulations of the herbicide produced toxic levels of other trichothecenes as byproducts, though the ARS discovered that growing M. verrucaria in a fermenter on a liquid diet (instead of a solid) limited or eliminated the problem.

References:

https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=504683#null

http://www.hear.org/pier/species/pueraria_montana_var_lobata.htm

https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=314966

https://pfaf.org/user/Plant.aspx?LatinName=Pueraria+montana

https://www.cabi.org/isc/datasheet/83912809

https://gd.eppo.int/taxon/PUEMO

http://www.theplantlist.org/tpl1.1/record/ild-31247

https://en.wikipedia.org/wiki/Kudzu

https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=263642

https://en.wikipedia.org/wiki/Pueraria_montana

https://www.flowersofindia.net/catalog/slides/Kudzu%20Vine.html

https://www.invasive.org/browse/subinfo.cfm?sub=2425

http://www.iucngisd.org/gisd/species.php?sc=81

https://www.feedipedia.org/node/258

http://uses.plantnet-project.org/en/Pueraria_montana_(PROSEA)

https://tropical.theferns.info/viewtropical.php?id=Pueraria+montana

https://plants.usda.gov/home/plantProfile?symbol=PUMO

80%
80%
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