Fruits
Prickly Pear in gelato
Prickly pear (cactus pear, tuna) is the sweet, mildly acidic fruit of the Opuntia ficus-indica cactus, prized in sorbetto for its jewel-toned pulp. In gelato it acts as a fruit base: mostly water with reducing sugars that boost anti-freezing power well above sucrose.
Balancing parameters
Per 100 g of product, verified against independent food-science sources (listed below).
| Parameter | Value |
|---|---|
| Total Solids | 14.5% |
| Water | 85.5% |
| Sugars | 12.5% |
| Fat | 0.5% |
| MSNF | 0% |
| Protein | 0.8% |
| POD (sweetening power) | 13.8 |
| PAC (anti-freezing power) | 23.8 |
Typical use: 25-35% as deseeded pulp/puree in sorbetto or fruit gelato
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Open the balancerHow to use it in gelato
Use deseeded prickly pear puree as the fruit portion of a sorbetto or fruit gelato, typically 25-35% of the mix. Its sugars are almost entirely reducing (glucose plus fructose, ~60:40), giving a PAC near 1.9x that of sucrose per gram of sugar, so it lowers the freezing point strongly and keeps texture soft and scoopable. Because it carries only ~12-13% sugar and ~14-15% total solids, reduce added sucrose modestly and lean on dextrose/inverted sugar sparingly to avoid an over-soft, gummy body. The delicate flavor and low acidity (pH ~5.4-6.0) benefit from a touch of lemon to brighten it; strain seeds and fibrous solids for a clean mouthfeel.
Origin & background
Opuntia ficus-indica is native to Mexico, where it was domesticated by Mesoamerican peoples millennia before European contact and appears on the national coat of arms and flag. Spanish traders carried it across the Columbian Exchange in the 16th century, and it naturalized around the Mediterranean; Sicily (ficodindia) remains a major European producer.
Frequently asked questions
Sources
- USDA FoodData Central, SR Legacy 167750 — Prickly pears, raw: https://fdc.nal.usda.gov/food-details/167750/nutrients
- El-Mostafa et al. / Nabil (IntechOpen), 'Valorization of Prickly Pear [Opuntia ficus-indica]: Nutritional Composition, Functional Properties and Economic Aspects' — https://www.intechopen.com/chapters/71610
- Sawaya, Khatchadourian et al. (1983), 'Chemical characterization of prickly pear pulp, Opuntia ficus-indica, and the manufacturing of prickly pear jam', Int. J. Food Sci. Technol. 18(2):183 — https://academic.oup.com/ijfst/article/18/2/183/7910888
- Sepulveda & Saenz (1990), 'Cactus pear fruit: a new source for a natural sweetener', Plant Foods Hum. Nutr. — https://link.springer.com/article/10.1023/A:1008033704523