Herb Fruit (果 guǒ / 果实 guǒ shí)

Dong Gua

Winter melon · 冬瓜

Benincasa hispida (Thunb.) Cogn. · Fructus Benincasae

Also known as: Bai Gua (白冬瓜), Wax Gourd

Dong Gua (Winter melon) plant

Images shown are for educational purposes only

Winter melon is one of the most widely eaten medicinal foods in Chinese tradition, prized for its ability to reduce water retention and cool the body. It is commonly recommended for people with swelling, excessive thirst, or who feel overheated during summer. Low in calories and sodium, it is also a popular dietary choice for weight management and kidney health.

Category Herbs that clear Heat and resolve Toxicity (清热解毒药) Dampness-draining herbs (利水渗湿药)
Therapeutic focus Fluid Retention and Edema Summer Heat Relief Urinary Health Weight management

TCM Properties

Temperature

Cool

Taste

Sweet (甘 gān), Bland (淡 dàn)

Channels entered

Lungs, Large Intestine, Small Intestine, Urinary Bladder

Parts used

Fruit (果 guǒ / 果实 guǒ shí)

Educational content • Consult qualified TCM practitioners for diagnosis and treatment

What This Herb Does

Every herb has a specific set of actions — here's what Dong Gua does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Dong Gua is primarily used to support these areas of health:

Fluid Retention and Edema Summer Heat Relief Urinary Health Weight management

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Dong Gua performs to restore balance in the body:

Promotes Urination and Reduces Edema Clears Heat Resolves Phlegm Generates Fluids and Relieves Thirst Resolves Toxicity

How these actions work

'Promotes urination and reduces edema' is the primary action of winter melon. Its bland taste has a natural ability to leach out Dampness by gently encouraging the body to produce more urine. This makes it especially useful when someone is retaining fluid, showing swelling in the limbs, face, or abdomen. Because it enters the Bladder channel, it directly supports the body's water metabolism pathways. It is commonly used as a dietary aid for people with edema, whether from kidney or heart conditions.

'Clears Heat' refers to its mildly cool nature, which helps the body dissipate excess warmth. This is particularly relevant during summer, when people feel overheated, restless, or excessively thirsty. Unlike strongly cold herbs, winter melon clears Heat gently without damaging the digestive system, making it safe for regular dietary use.

'Resolves Phlegm' means winter melon helps the body break down and expel thick, sticky mucus. Through its connection to the Lung channel, it can assist with coughs that produce phlegm, especially when the phlegm is related to Heat. Traditionally it was used for wheezing and phlegm-related breathing difficulty.

'Generates Fluids and relieves thirst' describes its ability to nourish the body's healthy fluids. Its sweet taste replenishes what has been lost through sweating or Heat, addressing persistent thirst. Classical texts like the Sheng Ji Zong Lu record winter melon juice as a remedy for wasting-thirst disorder (a condition resembling diabetes with intense thirst and frequent urination).

'Clears toxins' refers to its traditional use for hot, swollen skin conditions like boils and abscesses. The Ben Cao Yan Yi describes placing slices of winter melon directly on abscesses to draw out heat and toxins. It was also used to counteract food poisoning from fish and alcohol.

Patterns Addressed

In TCM, symptoms cluster into recognizable patterns of disharmony. Dong Gua is used to help correct these specific patterns.

Why Dong Gua addresses this pattern

Damp-Heat in the Lower Burner involves an accumulation of both pathological fluid and Heat in the lower abdomen, affecting urination and causing swelling. Winter melon's bland taste leaches out Dampness through the urinary route, while its cool nature clears the Heat component. It enters the Bladder and both Intestine channels, directly reaching the Lower Burner where this pattern manifests. Its gentle diuretic action drains the excess fluid, and its cooling property helps resolve the Heat, addressing both halves of the pathomechanism simultaneously.

A practitioner would look for one or more of these signs

Edema

Swelling of the limbs or abdomen

Difficult Urination

Scanty, dark, or difficult urination

Excessive Thirst

Thirst with a feeling of heaviness

Commonly Used For

These are conditions where Dong Gua is frequently used — but only when they arise from the specific patterns it addresses, not in all cases

Arises from: Damp-Heat in the Lower Burner

TCM Interpretation

In TCM, edema results when the body's water metabolism breaks down. The Lungs, Spleen, and Kidneys all play roles in moving and transforming fluids. When any of these organs falter, or when Dampness accumulates and combines with Heat, fluids pool in the tissues rather than being properly excreted. The swelling may appear in the face, limbs, or abdomen depending on which organ system is most affected. In cases where Heat is involved, the retained fluid may be accompanied by dark urine, thirst, and a heavy sensation in the body.

Why Dong Gua Helps

Winter melon directly promotes urination through its bland taste, which is the taste most associated with leaching out pathological fluid in TCM. Its cool nature simultaneously addresses any Heat component that is contributing to the fluid stagnation. Because it enters the Bladder channel (the organ responsible for urine storage and excretion) and the Lung channel (which governs the downward movement of water), it works on multiple levels of the water metabolism system. Classical recipes like Dong Gua Wan from the Yang Shi Jia Cang Fang combine winter melon with red adzuki beans (Chi Xiao Dou) specifically for severe edema with wheezing. Its extremely low sodium content and high potassium also make it a modern dietary staple for people managing fluid retention.

Also commonly used for

Difficult Urination

Scanty urination with fluid accumulation

Excessive Thirst

Thirst from summerheat or wasting-thirst disorder

Obesity

Used as a low-calorie dietary aid for weight management

Urinary Tract Infection

Painful or burning urination with heat signs

Hypochondrial Pain That Is Worse On Coughing And Breathing

Cough with phlegm-heat signs

Boils

Hot, swollen skin abscesses when applied topically or taken internally

Hypertension

Supportive dietary use due to low sodium and diuretic properties

Hemorrhoids

Used as a wash for hemorrhoid pain and swelling

Herb Properties

Every herb has an inherent temperature, taste, and affinity for specific channels — these properties determine how it interacts with the body

Temperature

Cool

Taste

Sweet (甘 gān), Bland (淡 dàn)

Channels Entered

Lungs Large Intestine Small Intestine Urinary Bladder

Parts Used

Fruit (果 guǒ / 果实 guǒ shí)

Dosage & Preparation

These are general dosage guidelines for Dong Gua — always follow your practitioner's recommendation, as dosages vary based on the formula and your individual condition

Standard dosage

Dong Gua Pi (rind): 15-30g; Dong Gua Zi (seeds): 10-15g; Dong Gua flesh: 60-120g (as food-medicine)

Maximum dosage

Dong Gua Pi: up to 60g in acute oedema; Dong Gua Zi: up to 30g for Lung abscess. Fresh winter melon flesh can be used liberally as food (up to several hundred grams), but prolonged excessive consumption should be avoided to protect Spleen Yang.

Dosage notes

Winter melon is used medicinally in several distinct forms, each with its own dosage range. Dong Gua Pi (dried rind) at 15-30g is primarily used for promoting urination and reducing oedema. Dong Gua Zi (seeds) at 10-15g are used for clearing Lung Heat, expelling phlegm, and draining pus from abscesses. Fresh winter melon flesh at 60-120g or more is used as a food-medicine for clearing summerheat, generating fluids, and treating thirst. For weight management or mild summerheat, the flesh can be consumed daily in soup form. For treating oedema, higher doses of the rind may be used under practitioner guidance. In classical formulas like the Dong Gua Wan from the Yang Shi Jia Cang Fang, the whole fruit was used in large quantities combined with Chi Xiao Dou for severe oedema.

Preparation

No special decoction handling required. The rind and seeds are simply decocted with other herbs in the standard manner. Fresh winter melon flesh is typically sliced and added to soups or congee, or the raw juice can be pressed and consumed directly for acute thirst or summerheat conditions.

Common Herb Pairs

These ingredients are traditionally combined with Dong Gua for enhanced therapeutic effect

Chi Xiao Dou
Chi Xiao Dou Dong Gua 1 whole fruit : Chi Xiao Dou sufficient to fill the hollowed-out melon (classical Dong Gua Wan method)

Winter melon and Chi Xiao Dou (adzuki beans) together create a powerful fluid-draining combination. Winter melon promotes urination through the Bladder channel while Chi Xiao Dou drains Dampness and reduces swelling through the Heart and Small Intestine channels. Together they address edema from multiple pathways, with winter melon also clearing Heat and Chi Xiao Dou additionally helping to resolve toxins in swollen tissue.

When to use: Severe edema with abdominal distension and wheezing, especially when fluid retention is accompanied by Heat signs like dark urine or restlessness.

Huang Lian
Huang Lian Dong Gua 1 whole fruit : Huang Lian 300g (classical Jin Xiao Fang method, where Huang Lian powder is placed inside the hollowed melon and roasted)

Winter melon generates fluids and mildly clears Heat, while Huang Lian powerfully drains Fire and dries Dampness. Together, winter melon provides the fluid-replenishing and cooling base while Huang Lian intensely clears the Heat that is consuming body fluids. This pair targets wasting-thirst from the dual angle of clearing the cause (Heat) and addressing the effect (fluid depletion).

When to use: Wasting-thirst disorder (xiao ke) with intense thirst, frequent urination, and signs of strong internal Heat such as a red tongue and irritability.

Yi Yi Ren
Yi Yi Ren 1:1 (commonly used together in dietary soups, 30-60g each)

Both herbs drain Dampness and promote urination, but they complement each other: winter melon works through the Bladder and Lung to clear Heat and drain fluid downward, while Yi Yi Ren (coix seed) strengthens the Spleen to address the root of Dampness production. Together they both drain existing fluid accumulation and help prevent new Dampness from forming.

When to use: Edema or heaviness with Spleen deficiency signs like poor appetite and loose stools, especially in summer when Dampness and Heat coexist.

Comparable Ingredients

These ingredients have overlapping uses — here's how to tell them apart

Dong Gua Pi
Dong Gua vs Dong Gua Pi

Dong Gua Pi (winter melon peel) is the dried outer rind of the same fruit. The peel is considered more potent for promoting urination and reducing edema, and is the form typically prescribed in formal herbal formulas. The whole fruit (Dong Gua) has broader actions including generating fluids, clearing Heat from the Lungs, and resolving phlegm, and is more commonly used as a medicinal food. Choose the peel when the primary goal is diuresis, and the whole fruit when treating summerheat, thirst, or using it as a dietary therapy.

Dong Gua Zi
Dong Gua vs Dong Gua Zi

Dong Gua Zi (winter melon seed) comes from the same plant but has distinctly different actions. The seeds are cold rather than cool, and their primary strengths are clearing Lung heat, transforming phlegm, expelling pus from abscesses (lung or intestinal), and draining Dampness. The whole fruit is gentler, more fluid-generating, and better suited for dietary use. Choose the seeds when treating lung abscess, intestinal abscess, or thick phlegm, and the whole fruit for general heat-clearing, fluid generation, and mild edema.

Fu Ling
Dong Gua vs Fu Ling

Both promote urination and drain Dampness, but through very different mechanisms. Fu Ling (Poria) is neutral in temperature and tonifies the Spleen while leaching Dampness, making it suitable for Spleen deficiency with Dampness even in cold constitutions. Winter melon is cool and clears Heat, making it better for Damp-Heat conditions or summerheat with fluid retention. Fu Ling is also calming to the spirit, which winter melon is not. For cold or deficient patients, Fu Ling is preferred; for hot or excess patients, winter melon is more appropriate.

Common Substitutes & Adulterants

Related species and common adulterations to be aware of when sourcing Dong Gua

As a common, inexpensive vegetable, winter melon (Dong Gua) is rarely subject to adulteration when sold as whole fresh fruit. However, its processed medicinal parts can occasionally be confused: - Dong Gua Pi (winter melon rind) may be confused with Xi Gua Pi (watermelon rind / Xi Gua Cui Yi), which has different properties and indications. Watermelon rind is thinner, more flexible, and has a distinctly green outer surface without the waxy white bloom. - Dong Gua Zi (winter melon seeds) should not be confused with Gua Lou Ren (Trichosanthes seeds) or Nan Gua Zi (pumpkin seeds). Winter melon seeds are flat, white, and relatively small (about 1 cm long); pumpkin seeds are larger and greenish, while Trichosanthes seeds are broader and have different medicinal actions. - In the dried herb market, low-quality or improperly stored Dong Gua Pi may be encountered with mould or insect damage, reducing its therapeutic effectiveness.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any herb.

Toxicity Classification

Classical Chinese pharmacopoeia toxicity rating for Dong Gua

Non-toxic

Winter melon is classified as non-toxic in all classical and modern references. The Ben Cao Gang Mu explicitly states its nature as sweet, slightly cold, and non-toxic. There are no known toxic components in the flesh, rind, seeds, or pulp. No cases of acute toxicity from dietary consumption have been reported. A chronic toxicity study in animals using fresh juice of Benincasa hispida for 3 months showed no deleterious effects on haematological or biochemical parameters. The primary safety concern is not toxicity but its cold thermal nature, which can damage the digestive function of people with cold-deficiency constitutions when consumed in excess.

Contraindications

Situations where Dong Gua should not be used or requires extra caution

Caution

Spleen and Stomach deficiency-cold (cold constitution with loose stools, poor appetite, and cold limbs). Winter melon's cold nature can worsen these symptoms by further depleting the Spleen's warming function.

Caution

Kidney Yang deficiency. The strong diuretic and cold properties can further deplete Kidney Yang, worsening symptoms like cold extremities, frequent pale urination, and soreness of the lower back.

Caution

Active diarrhea or dysentery from cold-deficiency patterns. The cold, draining nature of winter melon can aggravate loose stools and weaken digestion further.

Caution

Menstruation with dysmenorrhea (painful periods due to cold). The cold nature may worsen blood stagnation from cold and increase menstrual pain.

Caution

Chronic illness with emaciation and Yin deficiency. As classical texts note, prolonged or excessive use in weakened, thin individuals can further deplete the body. The Ben Cao Jing Shu states that those with deficiency-cold of the Kidneys or chronic slippery diarrhea should not eat it.

Caution

Patients on strict fluid restriction (e.g. severe heart failure, dialysis, ascites). Winter melon has very high water content and strong diuretic properties, which may complicate fluid balance management.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Generally considered safe at normal dietary amounts during pregnancy. Winter melon is a common food vegetable and is classified as non-toxic. Its high potassium and low sodium content may actually help with pregnancy-related oedema. However, because of its cold nature, excessive consumption is not advisable during pregnancy, particularly for women with cold-deficiency constitutions, as overcooling the Spleen and Stomach could impair digestion and nutrient absorption. There are no known teratogenic compounds or uterine-stimulating effects. As a general food item, moderate consumption in cooked form (soups, stews) is considered safe.

Breastfeeding

Winter melon is widely consumed as a food vegetable by breastfeeding mothers across Asia and is generally regarded as safe during lactation. In Vietnam, winter melon soup with pork ribs is traditionally consumed by breastfeeding mothers. There are no known compounds that would transfer through breast milk and cause harm to the infant. However, excessive consumption should be avoided due to its cold nature, which could potentially affect the mother's digestion and thereby her milk production. Moderate intake in cooked form is considered safe and may help with postpartum water retention.

Children

Winter melon is generally safe for children as a dietary food and is commonly included in children's soups and congees across China and Southeast Asia. For medicinal use, dosages of the rind or seeds should be reduced proportionally based on the child's age and weight (typically one-third to one-half of the adult dose for children over 3 years). Due to its cold nature, it should be used cautiously in children with weak digestion, frequent loose stools, or cold constitutions. Classical texts such as the Qian Jin Fang record its use for paediatric conditions including childhood fevers and thirst. Always serve cooked rather than raw for young children.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Dong Gua

No well-documented serious drug interactions have been established for winter melon in clinical literature. However, the following theoretical considerations apply based on its known pharmacological properties:

  • Diuretic medications: Winter melon (especially the rind) has demonstrated diuretic effects in pharmacological studies. Concurrent use with pharmaceutical diuretics (furosemide, hydrochlorothiazide) could theoretically potentiate fluid and electrolyte loss. Monitor for signs of dehydration or electrolyte imbalance.
  • Hypoglycaemic agents: Some research suggests Benincasa hispida may have mild blood sugar-lowering effects. People taking diabetes medications (metformin, insulin, sulfonylureas) should be aware of potential additive hypoglycaemic effects when consuming large quantities.
  • Antihypertensive medications: Winter melon is high in potassium and low in sodium, and has mild diuretic activity. This could theoretically enhance the effects of blood pressure-lowering drugs. This is unlikely to be clinically significant at normal dietary intake levels.

Dietary Advice

Foods and dietary considerations when taking Dong Gua

When using winter melon medicinally for its cooling and diuretic effects, avoid combining it with other strongly cold foods such as crab, raw shellfish, watermelon, or bitter melon, as this may excessively cool the Spleen and Stomach and cause digestive discomfort. Adding warm-natured ingredients such as fresh ginger, scallion, or pepper when cooking winter melon helps balance its cold nature and protect digestion. Avoid consuming with vinegar, which may reduce the vitamin C content. For those using it to reduce oedema, pairing it with bland, dampness-draining foods like Job's tears (Yi Yi Ren) or red adzuki beans enhances the therapeutic effect.

Botanical Description

Physical characteristics and morphology of the Dong Gua source plant

Benincasa hispida (Thunb.) Cogn. is a fast-growing annual vine in the Cucurbitaceae (gourd) family. The plant produces vigorous, sprawling stems that can exceed 3 metres in length, climbing by tendrils and spreading rapidly when given support. The leaves are large, lobed, and coarse-textured with a rough surface.

The pale yellow flowers, typical of cucurbits, are pollinated by bees and give rise to heavy, oblong fruits that may weigh anywhere from 5 to over 20 kilograms depending on the cultivar. Young fruits are covered with fine hairs and are bright green; as they mature, the skin develops a characteristic white, waxy, frost-like coating (white powder bloom), which is the origin of the name "winter melon" (冬瓜). The thick rind encloses pale, spongy white flesh with a mild, almost neutral flavour and a central cavity containing flat, white seeds.

The mature fruits store exceptionally well and can be kept for months without refrigeration in cool, dry conditions, making them one of the few gourds traditionally available through winter. The plant thrives in warm, humid tropical and subtropical climates with well-drained loamy soil.

Sourcing & Harvesting

Where Dong Gua is sourced, when it's harvested or collected, and how to assess quality

Harvesting season

Late summer through autumn (typically August through October), after the fruits have fully matured and the skin has developed its characteristic white waxy bloom. Classical texts advise harvesting after the first frost for medicinal use.

Primary growing regions

Winter melon (Dong Gua) is cultivated throughout China and across tropical and subtropical Asia. Major production regions in China include Guangdong, Guangxi, Sichuan, Zhejiang, Jiangsu, Henan, Hebei, Anhui, and Hunan provinces. It is also widely grown in Southeast Asia, India, and the Pacific Islands. Unlike many medicinal herbs, winter melon does not have a single famous dao di (terroir) region, as it grows readily in warm climates with adequate moisture across a very wide geographic range. Southern Chinese provinces (Guangdong, Guangxi) tend to produce the largest and most abundant harvests due to their long growing seasons.

Quality indicators

For the whole fruit (Dong Gua): Good quality winter melon should be heavy for its size with firm, intact skin covered by a prominent white waxy bloom (frost-like coating). The skin should be dark green underneath the bloom, without soft spots, cracks, or signs of decay. The flesh should be dense, white, and not waterlogged or discoloured. For the rind/peel (Dong Gua Pi): Dried peel should be in clean, thin strips or pieces, greyish-green to yellowish-white on the outer surface with white inner surface. It should be dry and firm but slightly flexible, not brittle or mouldy. Look for intact waxy coating remnants on the outer surface. For the seeds (Dong Gua Zi): Good quality seeds are plump, flat-oval, white to yellowish-white, with intact seed coats and no cracks. The kernel inside should be white and oily. Seeds should have a faint, slightly sweet taste and mild aroma. Avoid seeds that are shrivelled, discoloured, or insect-damaged.

Classical Texts

Key passages from the classical Chinese medical texts that describe Dong Gua and its therapeutic uses

《名医别录》(Míng Yī Bié Lù)

Original: 主治小腹水胀，利小便，止渴。

Translation: It mainly treats water distension of the lower abdomen, promotes urination, and stops thirst.

陶弘景 (Táo Hóngjǐng)

Original: 解毒，消渴，止烦闷，直捣绞汁服之。

Translation: It resolves toxins, treats wasting-thirst, and stops vexation and oppression. Simply pound it and press out the juice to drink.

《本草纲目》(Běn Cǎo Gāng Mù) — Li Shizhen

Original: 气味：甘、微寒、无毒。

Translation: Flavour and nature: sweet, slightly cold, non-toxic.

Original: 欲得体瘦轻健者，则可常食之，若要肥，则勿食也。

Translation: Those who wish to become slim, light, and vigorous may eat it regularly; those who wish to gain weight should not eat it.

《本草经疏》(Běn Cǎo Jīng Shū)

Original: 若虚寒肾冷、久病滑泄者，不得食。

Translation: Those with deficiency-cold, cold Kidneys, or chronic slippery diarrhea from prolonged illness must not eat it.

《随息居饮食谱》(Suí Xī Jū Yǐn Shí Pǔ)

Original: 清热，养胃生津，涤秽治烦，消痈行水，治胀满，泻痢霍乱，解鱼、酒等毒。

Translation: Clears Heat, nourishes the Stomach and generates fluids, cleanses turbidity and treats vexation, disperses abscesses and moves water, treats distension and fullness, diarrhea-dysentery and cholera-like conditions, and resolves fish and alcohol poisoning.

Historical Context

The history and evolution of Dong Gua's use in Chinese medicine over the centuries

Winter melon has a history of cultivation in China spanning over 2,000 years. Its earliest recorded medicinal use appears in texts from the period of the Shén Nóng Běn Cǎo Jīng, where the seeds (白瓜子, Bái Guā Zǐ) were listed. The fruit flesh entry was later added in the Běn Cǎo Jīng Jí Zhù by Tao Hongjing during the Southern Dynasties period. The name "winter melon" (冬瓜) has two traditional explanations: Li Shizhen noted that the name may come from the fact that the mature fruit's skin develops a white, frost-like waxy coating resembling winter frost, or possibly because the fruit matures in late autumn and can be stored through winter. The Song Dynasty poet Zheng Qingzhi wrote a poem describing how the ripe winter melon bears "frost skin and dew leaves" protecting its long body.

Throughout Chinese history, winter melon was valued as both food and medicine accessible to all social classes. The Běn Cǎo Gāng Mù gave particular attention to its weight-management properties, and it has been nicknamed the "slimming melon" (瘦身瓜) in popular culture. Classical physicians used every part of the plant medicinally: the flesh for clearing Heat and generating fluids, the rind (Dong Gua Pi) for promoting urination and reducing oedema, the seeds (Dong Gua Zi / Dong Gua Ren) for clearing Lung Heat and expelling pus, and even the pulp (Dong Gua Rang) for cosmetic skin preparations. The Zhou Hou Fang (Handbook of Emergency Prescriptions) by Ge Hong included a beauty formula using winter melon seeds, and historical records describe their use in face creams dating back to the Jin Dynasty.

Modern Research

4 published studies investigating the pharmacological effects or clinical outcomes of Dong Gua

1

Comprehensive Review: Traditional Uses, Nutraceutical, and Phytopharmacological Profiles of Benincasa hispida (2021)

Islam MT, et al. Evidence-Based Complementary and Alternative Medicine, 2021, Article ID 6349041.

A comprehensive literature review examining the traditional uses, phytochemistry, and pharmacological mechanisms of Benincasa hispida. The review found that the plant has been used traditionally to treat neurological diseases, kidney disease, fever, and cough with thick mucus. It identified key bioactive compounds with cytotoxic, anti-inflammatory, and anticancer properties across preclinical studies, though the authors noted a significant lack of human clinical trials.

PubMed
2

Ethnopharmacology, Phytochemistry and Pharmacology of Benincasae Exocarpium (Winter Melon Peel) — Review (2023)

Chinese Herbal Medicines, 2023. (Multiple authors, published online Dec 2022, print 2023).

A review focused specifically on the dried peel (Dong Gua Pi) as a traditional Chinese medicine. The review documented 43 isolated compounds including flavonoids, alkaloids, tannins, and phenolic acids. Modern pharmacological studies confirmed diuretic, hypolipidemic, hypoglycaemic, antioxidant, and antibacterial effects, supporting the traditional TCM indications for oedema and urinary dysfunction.

PubMed
3

Neuroprotective Effects of Benincasa hispida in Alzheimer's Disease Rat Model (2021)

Neuropeptides, 2021. (Authors include researchers studying Keap1/Nrf2-axis mechanisms).

A preclinical study investigating the effect of Benincasa hispida fruit extract in aluminium chloride-induced Alzheimer's disease rats. Oral administration at 250 and 500 mg/kg/day for 16 weeks improved cognitive function in behavioural tests. The extract increased antioxidant enzymes (SOD, CAT, GSH) and decreased inflammatory markers (TNF-alpha, IL-1beta), with upregulation of the Keap1/Nrf2/HO-1 antioxidant pathway. Histopathological examination confirmed protection of hippocampal neurons.

PubMed
4

Anti-ulcer Activity of Benincasa hispida Extracts in Animal Models (2001)

Grover JK, et al. Journal of Ethnopharmacology, 2001.

A preclinical study from the All India Institute of Medical Sciences testing the anti-ulcer potential of Benincasa hispida juice in experimental animal models of peptic ulcer. The fresh juice demonstrated significant gastric protection. Importantly, chronic toxicity studies over 3 months showed no harmful effects on blood parameters or organ function, confirming the safety of the plant.

PubMed

Research on individual TCM herbs is growing but still limited by Western clinical trial standards. These studies provide emerging evidence and should be considered alongside practitioner expertise.