鳳梨汁對健康有什麼好處?

Pineapple is an iconic tropical fruit known for its rough, spiky exterior and delicious yellow interior. The fruit has a sweet and sour taste, making it a popular addition to both sweet and savory dishes. However, while the flesh of the pineapple is hard and difficult to handle, it's the juice that provides all the flavor and most of the nutrients. Moreover, pineapple juice is easy to store and transport when made into a concentrate. This allows commercial food manufacturers to deliver both flavor and nutritional value when incorporating it into new recipes.

The Origin of Pineapple Juice

The bromeliad plant ( Ananas comosus ) is part of the bromeliad family and is native to the region of South America that now includes Brazil and Paraguay. It's unclear how long this plant has been domesticated, but there is archaeological evidence that it was cultivated by the ancient Aztecs and Mayans as early as 1200 BC. Eventually European colonists discovered the fruit and began exporting it back to Europe. It is now one of the most abundant tropical fruits and a popular ingredient in various cuisines around the world.

Pineapples are a bit like oranges in that the juice is as valuable as the fruit itself. After being extracted from the pulp, the juice can be made into a concentrate or flavor and has a variety of uses. In fact, the production process for obtaining the juice may have contributed significantly to the overall boom in the pineapple industry in the early 1930s. Since then, pineapple juice has become a mainstay in breakfast drinks, baking ingredients, and cocktails and mixed drinks.

Nutritional value of pineapple juice

In terms of nutritional value, the main difference between eating pineapples and drinking pineapple juice is dietary fiber, because the actual pulp of pineapples contains more dietary fiber. However, juice retains most of its nutrients; one cup of pineapple juice (without added sugar) has 133 calories, 32 grams of carbohydrates, 1 gram of protein, and trace amounts of fat. A glass of juice is also a good source of several vitamins and minerals:

Vitamins (% Daily Value)

  • Vitamin A (1%)
  • Vitamin C (25%)
  • Vitamin B6 (5%)
  • Thiamine (9%)
  • Niacin (2%)
  • Folic acid(1%)

Minerals (% Daily Value)

  • Calcium (1%)
  • Phosphorus (1%)
  • Potassium (3%)
  • Manganese (53%)
  • Magnesium (4%)

One of the most valuable nutrients found in pineapple juice is also found in citrus fruits like oranges, lemons, and limes: vitamin C. Vitamin C, also known as ascorbic acid, is a water-soluble essential nutrient thought to have antioxidant and antioxidant effects. Anti-inflammatory properties. Another component of pineapples with antioxidant properties is beta-carotene; these antioxidants, along with vitamin C, are thought to protect the body from free radical-related cell damage.

Health Benefits of Pineapple Juice

Long before pineapple became a pizza topping or cocktail mix, it was used as a folk remedy for ailments. Some people even use pineapple juice to relieve coughs. While some uses may be largely a myth, the fact remains that many of the nutrients contained in pineapple juice have been linked to many different health benefits:

  • Heart Health : One compound unique to pineapples and other members of the bromeliad family is bromelain. Bromelain is an enzyme used in cosmetics and as a meat tenderizer, but it is also thought to have other health benefits related to the cardiovascular system. There is evidence that bromelain can lower high blood pressure, prevent blood clotting, and even reduce the chance of heart disease. Bromelain can also help break down blood clots that form due to high cholesterol.
  • Immune System : The bromelain and vitamin C content in pineapple juice both contribute to healthy immune function. In addition to preventing certain diseases, these nutrients may improve the recovery process from infections such as sinusitis, pneumonia, and bronchitis.
  • Inflammation : One benefit associated with immune system function is inflammation, a common body response to pathogens. Some studies show that bromelain can control inflammation in a similar way to over-the-counter non-steroidal anti-inflammatory drugs, but without the side effects. It has even been studied as a treatment for osteoarthritis and inflammation associated with certain surgeries.
  • Cancer Prevention : Cell damage from free radicals is a suspected cause of many types of cancer, but the antioxidants in pineapple juice may actually be able to prevent the development of cancer cells.
  • Digestive health : Another possible benefit of the bromelain content in pineapples relates to digestive health. Bromelain may be able to improve digestion in some people whose pancreas does not produce adequate amounts of digestive enzymes. Bromelain, along with the fiber content, also limits intestinal inflammation, which can lead to classic digestive symptoms like bloating, constipation, or chronic heartburn (gastroesophageal reflux disease).
  • Eye Health : A cup of pineapple juice contains about 25% of the recommended daily value of vitamin C, an important nutrient that, among other things, is good for eye health. Vitamin C and beta-carotene are both thought to reduce the risk of cataracts and macular degeneration.
  • Weight Loss : Like strawberries, peaches, and other fruits with a high water content, pineapples are an excellent addition to any weight loss plan. However, pineapple juice is also beneficial for weight loss because it has relatively few calories and contains phytonutrients that can make you feel full.

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