Why Is the Ube or Purple Yam High in Both Flavor and Nutrition?
Ube or purple yam (scientifically known as Dioscorea alata) is an immensely healthy root vegetable native to Southeast Asia. This root tuber grows underground, but many people are less familiar with this vegetable because it has been one of the staple ingredients in Filipino desserts for nearly centuries now. Its distinct purple vibrancy often inspires its use in both baked goods and dessert preparations. Over the last few years, it has gained popularity for being one of the commonly added ingredients for color, flavor, and nutritional profile, even in ice-creams and cakes.
The purple yam is extremely high in complex, nutrient-rich, energizing carbohydrates, multivitamins, and essential vegetable fiber that it yields. Nutrition experts believe that its nutritional profile is very close to that of the low glycemic and health-benefiting sweet potatoes. However, in comparison to the orange tint in sweet potatoes, these look completely different in appearance because the purple yams are distinctly dark brown, having a bark-like skin covered in multiple tiny rootlets with its inner core or flesh of a rich, vibrant, dark purple color. An ube vegetable can typically measure almost 7 to 8 inches long (comparable to the length of a standard 5-inch scale) and also around 3.14 to 3.9 inches wide based on the regions they grow in. Its usually distinct cylindrical shape and twisted or gnarled appearance further add to its unique appearance.
This vegetable is an excellent source of several bioactive antioxidant compounds that can fight off harmful oxidative stress created by free circulating radicals, which cause disease processes and progression within the cells. Because the vegetable is primarily high in both immune-boosting vitamin A and vitamin C, these vitamins, as well as antioxidants, can support your health and wellness when you incorporate them as a part of a nutrient-dense diet. The multiple micronutrients in this vegetable, with the added benefit of being low-fat, a complex carbohydrate, and heart-healthy fiber-yielding properties, make it an easy addition to any healthy diet. Also, one of the unique nutritional properties of this vegetable is that it is completely cholesterol-free. It can make a valuable addition to any cardioprotective diet form or diet against systemic hypertension like the DASH (dietary approaches to stop hypertension) diet.
What Are the Nutritional Benefits of Purple Yam?
As per the information given by the U.S. Department of Agriculture (USDA), the following nutritional facts hold for a 3.5 ounce (oz) serving of ube:
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Cholesterol: 0 mg.
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Iron: 0.01 ounces.
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Sodium: 0.0004 ounces.
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Vitamin C: 0.0004 ounces.
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Protein: 0.035 ounces.
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Total Lipid (Fat): 0 ounces.
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Carbohydrates: 0.95 ounces.
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Total Dietary Fiber: 0.14 ounces.
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Sugars: 0 ounces.
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Calcium: 0.0007 ounces.
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Vitamin A: 100 international units (IU).
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Total Calories: 120 calories.
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Saturated Fatty Acids: 0 ounces.
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Fatty Acids: 0 ounces.
How Does Purple Yam Support a Healthy Gut and Regulate Blood Sugar?
As mentioned earlier, because of the vitamin A and vitamin C richness, along with the innate ability of antioxidants and the heart-healthy fiber in this vegetable, a generalized risk of individuals developing type 2 diabetes (a long-term condition where the body becomes resistant to insulin or does not produce enough insulin, leading to high blood sugar levels), diverticulitis (inflammation or infection of small pouches or diverticula that can form in the digestive tract), cardiovascular diseases, immune diseases, and cancers can be possibly reduced significantly according to current nutrition research experts.
There is currently enough research evidence to demonstrate that because of the presence of flavonoid compounds, that is, essential phytonutrients, and the anthocyanin pigments in this vegetable, which are responsible for its rich inner color, not only do they have the potency to fight cancers or inflammatory disease conditions such as autoimmune arthritis, but they can also be significantly useful in the diabetic or prediabetic diet, helping regulate blood sugar in individuals suffering from type 2 diabetes. It can also, in a similar way, exert a regulatory effect on the systemic blood pressure.
The resistant starch (a type of carbohydrate that promotes gut health) contained within ube (purple yams) can also boost the healthy gut microbiome (the community of microorganisms living in the digestive tract, crucial for digestion and overall health), proving beneficial in the overall digestion of important micronutrients and vitamins more effectively.
What Are the Culinary Uses and Availability of Ube Purple Yam?
The purple yams can be used in versatile ways when it comes to their culinary ingredient forms. You can either boil, bake, or fry, or you can toss in with other vegetables as well. These can be mashed easily and ground into their distinct purplish powder, or you can dehydrate them as well. If you are making the yam powder to replace your regular flour or all-purpose flour as a base for recipes, then you would need to liquidize the powder to mix it or use it as a flour substitute for ingredients such as all-purpose flour.
While ube yams are very native to Indonesian regions, these are often grown and cultivated in Indian as well as Myanmar regions, while they are also imported from Vietnam, Malaysia, the Philippines, Australia, and other countries. Ube purple yams best grow within the warmer regions, either in tropical or subtropical climates and in soils that are not arid and a bit wet. These are one of the staple ingredients used in Central America for cooking and are also important crops in the Caribbean.
They typically possess a unique flavor similar to that of the vanilla essence, as described by many culinary chefs. These yams are typically sweet with a rather nutty flavor, making them an easy addition to ice cream or cake recipes. They can be equally used in preparing savory recipes as well, given that the sweet flavors can balance spicy ingredients in savory recipes. Popular ice creams and cake recipes often incorporate purple yams as common ingredients because of their added nutritional profile and their innate ability to yield purple vibrancy in the dessert cake or ice cream colors. Bakers also commonly utilize purple yams for their visually striking color appeal to desserts or baked goods.
Conclusion:
The purple yams can hence be valuable sources of protein, which would be essential for the growth, repair, and maintenance of cell health and body tissues. Additionally, purple yams can significantly contribute to the immune-boosting amounts of vitamin C, which are potent antioxidants alongside an abundance of vital nutrients that can support your health and well-being, and can hence be added to any balanced or nutrient-dense or cardiovascular diet.
