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    Ash gourd (Chinese winter melon) nutrition facts

    Ash gourd is a large, round to oval fruit pod in the cucurbitaceae family that is eaten as cooked vegetable and in the confectionary in many Asian countries.

    Its pods are fuzzy when immature and develop gray, waxy matter on their surface upon maturity; hence the name ash or wax gourd. Ash gourd is also known by various names such as white gourd, white pumpkin, winter gourd, winter melon, Chinese preserving melon, pith gourd, tallow gourd and Chinese water melon.

    Scientific name: Benincasa hispida. It is the only member of the genus Benincasa.

    Ash gourd
    Ash gourd. Note for gray, waxy skin.

    Ash gourd is an annual vine and has similar growth characteristics as other gourd vegetables. Clay mixed organic soil is best suited for its growth. Trellis support required for better yield. Upon pollination, golden-yellow flowers develop into large, ovate pods which achieve maturity in 100-140 days depending upon cultivar varieties. Mature pods can weigh 15-20 pounds.

    Ash gourd in pole grown
    Ash gourd. Pole cultivation.

    Externally, the pods feature tough, green skin which is coated with a layer of white chalky wax. Minute, fuzzy hairs on surface gradually disappear as the fruit fully grown. On the inner side, the thick flesh is white, crisp, juicy, and has mild, cucumber-like taste. Ash gourd seeds resemble like that of pumpkins; are oval, flat, and light brown.

    Health benefits of ash gourd

    • Ash gourd is very low calorie vegetable; just holds 13 cal/100g, relatively same calories as in cucumbers (12 cal/100g). Nonetheless, it carries ample concentrations of vitamins, minerals and fiber that help in overall health nad wellness.

    • Winter melon peel is a good source of dietary fiber which helps in smooth bowel movements and offers protection against colon cancers by eliminating toxic compounds from the gut.

    • Ash gourd is gluten-free food items and is one of better alternative food substitute in people suffering from spectrum of gluten-related disorders. Gluten is a protein molecule in foods that causes severe food intolerance in non-celiac (gluten sensitivity) as well as celiac disease patients.

    • Fresh Ash gourd holds relatively more amounts of vitamin-C (14% of RDA /100 g) than cucumbers. Vitamin-C is a water-soluble anti-oxidant that plays role as immunity booster, collagen synthesis in bones, cartilage, and blood vessels, and aids in the absorption of iron.

    • It provides small amounts of (5 μg/100 gm) of folates. Folate is an essential element for cell division and DNA synthesis. When taken adequately during early pregnancy, it may help prevent neural-tube defects in the newborn.

    • Like-wise in winter squash varieties, ash gourd too holds less sodium (6 mg/100 g) but higher amounts of potassium (111 mg/100 g), an important intra-cellular electrolyte. Potassium is a heart friendly electrolyte and helps bring the reduction in blood pressure and heart rates by countering pressing effects of sodium.

    • Further, Ash gourd carry modest levels of other B-complex groups of vitamins like pantothenic acid, riboflavin, and minerals like calcium, iron, manganese, phosphorus, and zinc.

    • In traditional ayurvedic medicine, ash gourd (white pumpkin) has been thought to be alkaline in nature, and hence its consumption has a cooling and neutralizing effect on stomach acids and as such used effectively for treating digestive ailments like hyperacidity, dyspepsia, and ulcers. It is also used to treat diabetes.


    See the table below for in depth analysis of nutrients:

    Ash gourd (waxgourd) (Benincasa hispida), raw, Nutrition value per 100 g.

    (Source: USDA National Nutrient data base)
    Principle Nutrient Value Percentage of RDA
    Energy 13 Kcal 1%
    Carbohydrates 3g 2.3%
    Protein 0.4 g <1%
    Total Fat 0.2 g 1%
    Cholesterol 0 mg 0%
    Dietary Fiber 2.9 g 7.6%
    Vitamins
    Folates 5 μg 1.25%
    Niacin 0.400 mg 2.5%
    Pantothenic acid 0.133 mg 2.5%
    Pyridoxine 0.035 mg 3%
    Riboflavin 0.11 mg 1%
    Thiamin 0.04 mg 3.3%
    Vitamin-A 0 IU 0%
    Vitamin-C 13 mg 14%
    Electrolytes
    Sodium 6 mg <0.5%
    Potassium 111 mg 2.4%
    Minerals
    Calcium 19 mg 2%
    Iron 0.4 mg 5%
    Magnesium 10 mg 2.5%
    Manganese 0.058 mg 2.5%
    Phosphorus 19 mg 2.5%
    Selenium 0.2 μg <1%
    Zinc 0.61 mg 6%

    Selection and storage

    Ash gourd is available around the year in the Asian markets. Buy fresh, average size fruits with intact stem. Avoid any if spotted with surface blemish, damaged, cuts/punctured, etc.

    At home, wax gourds keep for 4 to 6 months or more if stored in a cool dry place.

    Cut sections, however, should be used in cooking immediately. If you choose to keep it extended use (up to 1-2 days only), then place it inside a plastic wrap in the refrigerator set at high relative humidity.

    Preparation and serving methods

    Wax gourds are popular winter melons in many East and South-East Asian countries. They are consumed in various ways such as cooked fresh vegetables, dried, and pickled. Also, it is used raw like sliced cucumbers.

    At home, wash fruits in cold water to remove any surface dirt. Trim the stem end. Being a winter squash member, Ash gourd has tough skin which should be peeled using a knife. Cut the fruit into small cubes, wedges or just in halves as you may desire to use them in cooking. It is sought after in a variety of recipes as diced, stuffed, grilled, roasted in soups, curries, stews, casseroles, etc.

    In many East-Asian communities, ash gourd flowers, baby fruits, and young tender shoots and tendrils are also an edible delicacy. In general, male blossoms picked up for making fritters, stuffing, etc. To prepare, open up flowers and remove, if any, insects. Pull off any calyces attached firmly at the base.


    Agra petha
    Agra petha, dry

    Here are some serving tips:

    • Fresh, tender ash gourd cubes/slices can be eaten raw in salads.

    • In the mainland China, winter melon is one of the most sought after vegetables. Its chunks used in soup with braised pork belly, red dates (jujube) and served chopped spring onions.

    • In the Southern parts of China, winter melon pulp is mixed with almond paste, sesame and five spice powder to prepare Cantonese style pastry- also popular as wife cake or sweetheart cake.

    • As in pumpkin, it can be employed in pies, casseroles, cakes, pudding, etc.

    • In India, ash gourd is employed in curries (poosanikai kootu), soup, stews and raitha.

    • Its flesh used in the preparation of sweet dishes like halwa and candies (petha) in northern states of India. In the North Indian city of Agra, boiled and drained wax gourd pulp is candied with sugar and seasoned with saffron (keasr petha) or raisins (angoori petha) to prepare a delicious sweet.

    • Ash gourd kernels can be eaten as snack like pumpkin seeds. Simply toast the seeds in the oven and enjoy!

    • In India, ash gourd (white pumpkin-safed petha) is juiced and consumed for its refreshing, cooling effects in a similar way to cucumber juice.


    Safety profile

    Ash gourd consumption rarely causes allergic reactions. (Medical disclaimer).



    <<-Read Crookneck squash nutrition facts.

    <<-Read Bottle gourd nutrition facts.

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    Further reading:

    1. USDA National Nutrient Database.

    2. Plants for a future-Benincasa hispida - (Thunb.)Cogn..

    3. Asian melons (PDF).




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