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Pattypan squash Nutrition facts

Pattypan squash, also known as scallop squash, is a variety of summer squashes originated from Mexico. Scallop squash generally picked up while they are young, immature, and tender, at a stage, they are sweeter and more appetizing.

Native Americans have long been aware of scallop squash cultivation for centuries. Botanically, they belong to the Cucurbitaceae or gourd family of vegetables and closely related to other summer squash varieties such as zucchini, crookneck squash, cocozelle, etc.

Scientific name: C. pepo var. clypeata.

Pattypan (scallop) squash
Pattypan squash. Note for golden-yellow blossom. Photo:vasenka.

Pattypan squash is a rapidly growing half-shrubby plant. It prefers well-drained, fertile sandy soils for best growth. After about 35-45 days of the plantation, yellow flowers appear, which soon develop into attractive, flattened, disc-like squash pods with "scallop shell-like" undulating edges.

white pattypan squash
White scallop squash. Photo courtesy: twisted-string.

Pattypan squash comes in white, yellow, and deep green colors. Usually, young, tender fruits are picked at their early stages for cooking. If left alone, it soon enlarges in size, the outer peel becomes tougher, and the seeds turn harder, which makes the whole squash becomes inedible and unappetizing. Use protective gloves and a knife while harvesting to avoid contact with prickly stem and leaves.

Apart from its fruits, pattypan flowers are also one of the sought-after delicacies employed in main and side-dish. Male blossoms are generally picked up while female flowers are left for growing onto fruits. However, often farmers pick up few female flowers with intact, tiny fruit (baby scallop squash) and sold in the markets, which command a special price.

Health benefits of pattypan squash

  1. Just like other summer variety squash types, scallop squash too is one of the very low-calorie vegetables. 100 grams of raw fruit carry just 18 calories. It contains no saturated fats or cholesterol. Its peel is a good source of dietary fiber.

  2. Fresh pattypan fruits carry relatively more vitamin A than zucchini; provide about 217 IU per 100 g.

  3. Golden-yellow skin scallopini is good source of flavonoid poly-phenolic antioxidants such as carotenes, lutein, and zeaxanthin. These compounds help scavenge harmful oxygen-derived free radicals and reactive oxygen species (ROS) from the body that play a role in aging and various disease processes.

  4. pattypan squash holds relatively more amounts of folates, pyridoxine, niacin than zucchini. It provides 30 μg or 7.5% of RDA per 100 gm. Folate is a necessary element for cell division and DNA synthesis. When taken adequately during early pregnancy, it may help prevent neural tube defects in the fetus.

  5. It has less sodium (1 mg/100 g) and moderate levels of potassium (187 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.

  6. Fresh scallop squash indeed is an excellent source of vitamin-C. It provides about 18 μg or 30% of daily required levels per 100 g. Vitamin-C is a water-soluble, natural antioxidant.

  7. Further, pattypan squash carry modest levels of other B-complex groups of vitamins like thiamin, pyridoxine, riboflavin, and minerals like calcium, iron, manganese, phosphorus, and zinc.


See the table below for in depth analysis of nutrients:

Scallop summer squash (C. pepo var. clypeata), raw with skin, Nutrition value per 100 g.

(Source: USDA National Nutrient data base)
Principle Nutrient Value Percentage of RDA
Energy 18 Kcal 1%
Carbohydrates 3.84 g 3%
Protein 1.20 g 2%
Total Fat 0.20 g 1%
Cholesterol 0 mg 0%
Dietary Fiber 1.2 g 3%
Vitamins
Folates 30 μg 7.5%
Niacin 0.600 mg 4%
Pantothenic acid 0.102 mg 2%
Pyridoxine 0.109 mg 8%
Riboflavin 0.030 mg 2%
Thiamin 0.070 mg 6%
Vitamin A 217 IU 7%
Vitamin C 18 mg 30%
Vitamin E 0.13 mg <1%
Vitamin K 3.3 μg 3%
Electrolytes
Sodium 1 mg 0.5%
Potassium 187 mg 4%
Minerals
Calcium 19 mg 1.9%
Iron 0.40 mg 5%
Magnesium 23 mg 4%
Manganese 0.157 mg 6%
Phosphorus 36 mg 5%
Selenium 0.2 μg <1%
Zinc 0.29 mg 3%
Phyto-nutrients
Carotene-? 130 μg --
Crypto-xanthin-? 0 μg --
Lutein-zeaxanthin 2308 μg --

Selection and storage

scallopini squash in a market
Scallopini squash in a market. Photo courtesy: notionscapital.

Summer squash, including pattypan, begins arriving in the markets from May until the end of September. In the markets, buy fresh, small to medium, bright young fruits. Avoid, very large, hard-skinned, and overmature ones as they are unappetizing. Also, avoid those with cuts, spots, bruised, etc.

At home, store fresh squash as you do for other summer squash like zucchini, inside a plastic bag and place inside the vegetable compartment in the refrigerator, set at appropriate relative humidity. They can be stored fresh for up to 2-3 days.


Preparation and serving methods

Pattypan squash is used in a variety of recipes like stuffed, grilled, roasted, etc. At home, wash fruits in cold water to remove any surface sand. Trim the stem end. Tender pattypan can be used with intact skin. Cut the fruit into small cubes/wedges as you may desire to use them in cooking.

As in zucchini blossoms, scallopini flowers are also edible delicacies. In general, male blossoms picked up; allowing female flowers to continue to grow into fruits. To prepare, open up flowers and carefully inspect for insects. Pull off any calyces attached firmly at the base.


Here are some serving tips:

  • Tender scallopini slices can be added to salads.

  • Pattypan squash blossoms dipped in batter and fried in oil and enjoyed as delicious fritters.

  • As in pumpkin, pattypan can be employed in pies, cakes, custards, etc.

  • Its whole fruit can be stuffed with peas, corn, cheese, mushrooms, and herbs and baked.


Safety profile

Pattypan squash rarely causes any allergic reactions. (Medical disclaimer).



<<-You may also like to read Acorn squash nutrition facts.

<<-Also read Spaghetti squash nutrition facts.

<<-Also, Crookneck squash nutrition facts.

<<-Back to Vegetables from Pattypan Squash. Visit here for an impressive list of vegetables with complete illustrations of their nutrition facts and health benefits.

<<-Back to Home page.


Further reading:

  1. USDA National Nutrient Database.

  2. Stanford School of Medicine Cancer information Page- Nutrition to Reduce Cancer Risk.

  3. University of california cooperative extension (PDF).




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