椰子水-多種營養素的良好來源

Good source of various nutrients

Coconuts grow on large palm trees scientifically known as Cocos nucifera. Despite the name, coconut is botanically considered a fruit rather than a nut. Coconut water is the sap found in the center of young green coconuts. It helps nourish the fruit. As a coconut matures, some of the juice remains liquid, while the rest matures into solid white pulp, called copra. Coconut water forms naturally in the fruit and contains 94% water and very little fat. It should not be confused with coconut milk, which is made by adding water to grated coconut meat. Coconut milk is about 50% water and is very high in coconut fat. Coconuts take 10-12 months to fully mature. Coconut water usually comes from young coconuts that are approximately 6-7 months old, but is also found in mature fruits.

A regular green coconut provides about 0.5-1 cup of coconut water.

One cup contains 46 calories, and:

  • Carbohydrates: 9 grams
  • Fiber: 3 grams
  • Protein: 2 grams
  • Vitamin C: 10% of the RDI
  • Magnesium: 15% of the RDI
  • Manganese: 17% of RDI
  • Potassium: 17% of the RDI
  • Sodium: 11% of RDI
  • Calcium: 6% of RDI

May have antioxidant properties

Free radicals are unstable molecules produced in cells during metabolism. Their production increases with stress or injury. When there are too many free radicals, your body enters a state of oxidative stress, which can damage your cells and increase the risk of disease. Studies of animals exposed to toxins show that coconut water contains antioxidants that can alter free radicals so that they are no longer Cause more damage. One study found that rats with liver damage that were treated with coconut water experienced significant improvements in oxidative stress compared to untreated rats. In another study, rats on a high-fructose diet were treated with coconut water. Free radical activity decreases, as do blood pressure, triglyceride, and insulin levels. To date, no studies have investigated this antioxidant activity in humans.

May be beneficial for diabetes

Studies show that coconut water can lower blood sugar levels and improve other health markers in diabetic animals. In one study, diabetic rats treated with coconut water maintained better blood sugar levels than controls. The same study also found that rats given coconut water had lower hemoglobin A1c levels, indicating good long-term blood sugar control. Another study noted that providing coconut water to diabetic rats improved blood sugar levels and reduced markers of oxidative stress. However, controlled studies are needed to confirm these effects in humans. Nonetheless, coconut water contains 3 grams of fiber and only 6 grams of digestible carbohydrates per cup (240 ml), making it easily suitable for diabetic meal plans.

It is also a good source of magnesium, which can increase insulin sensitivity and lower blood sugar levels in people with type 2 diabetes and prediabetes.

May help prevent kidney stones

Drinking enough fluids is important to prevent kidney stones. While plain water is a good choice, one study suggests coconut water may be better. Kidney stones form when calcium, oxalates, and other compounds combine to form crystals in the urine. These can then be formed into stones. However, some people are more likely to develop them than others. In a study of rats with kidney stones, coconut water prevented crystals from sticking to the kidneys and other parts of the urinary tract. It also reduces the number of crystals that form in the urine. Researchers believe coconut water helps reduce free radicals produced by high levels of oxalic acid in urine. Keep in mind that this is the first study to examine the effects of coconut water on kidney stones. More research is needed in this area.

May support heart health

Drinking coconut water may help reduce the risk of heart disease. In one study, mice that consumed coconut water had reduced blood cholesterol and triglycerides. They also had a significant reduction in liver fat. In another study, the same researchers fed mice a similar diet supplemented with the same dose of coconut water. After 45 days, the coconut water group had lower cholesterol and triglyceride levels that were comparable to the effects of statins, which are used to lower cholesterol. Keep in mind that this is a very high dose. In humans, this is equivalent to a 150-pound (68-kilogram) person consuming 91 ounces (2.7 liters) of coconut water per day. Nonetheless, the finding that it is as effective as statins in lowering cholesterol is impressive and should be studied further.

May lower blood pressure

Coconut water may be great for controlling blood pressure. In one small study of people with high blood pressure, coconut water improved systolic blood pressure (higher blood pressure readings) in 71% of participants. Additionally, coconut water contains an impressive 600 mg of potassium in 8 ounces (240 ml). . It has been shown to lower blood pressure in people with high or normal blood pressure. What's more, an animal study found that coconut water has antithrombotic activity, meaning it can prevent blood clots from forming.

Long-term exercise is beneficial

Coconut water may be the perfect drink to restore hydration and replenish electrolytes lost during exercise. Electrolytes are minerals that play several important roles in your body, including maintaining proper fluid balance. They include potassium, magnesium, sodium and calcium. Two studies found that coconut water was better than water at restoring hydration after exercise and was as effective as high-electrolyte sports drinks. Participants also reported that coconut water caused less nausea and stomach upset. However, another study comparing high-electrolyte drinks found that coconut water was most likely to cause bloating and stomach upset.

A delicious source of hydration

Coconut water is slightly sweet with a slightly nutty flavor. It's also fairly low in calories and carbs. Water straight from the coconut is the freshest. Just press the straw into the soft part of the green coconut and start drinking. Store coconut in the refrigerator and consume within two to three weeks of purchase. However, be sure to read the ingredients to confirm that you are getting 100% coconut water. Some bottled brands contain added sugar or flavorings. This tropical liquid can be used in smoothies, chia pudding, balsamic vinaigrette, or in place of regular water when you want a little natural sweetness.

Summary

Coconut water is a delicious, nutritious, natural beverage that is very good for you. It may benefit your heart, blood sugar, kidney health, and more.

Review

All comments are moderated before being published

HealthyPIG Magazine

View all
牛肉與腸道微生態:人體點樣反應?

牛肉與腸道微生態:人體點樣反應?

牛肉進入身體之後會發生咩事? 食牛肉之後,身體會進入「高蛋白消化模式」: 胃部階段:胃酸(pH約2)與胃蛋白酶一齊將牛肉蛋白質分解成小分子胺基酸鏈。此時釋放「胃泌素(gastrin)」促進更多酸及酶分泌。 小腸階段:十二指腸接收食糜後,胰臟釋出胰蛋白酶、脂肪酶,肝臟釋出膽汁乳化脂肪。 ...
從嗜睡症、慢脈搏到米諾地爾 (Minoxidil) 的全身動力學

從嗜睡症、慢脈搏到米諾地爾 (Minoxidil) 的全身動力學

當身體進入「慢模式」——嗜睡症與自律神經的連結 嗜睡症(Narcolepsy)是一種大腦覺醒系統的紊亂,患者在日間容易突然進入睡眠狀態。但其實,嗜睡症不止影響「睡眠」,還會影響全身的 自律神經系統 (Autonomic Nervous System)。 自律神經負責調節: 心跳快慢(交感與...
降血壓,唔一定靠藥!了解身體機制,從生活開始調節

降血壓,唔一定靠藥!了解身體機制,從生活開始調節

高血壓唔係「年紀大」嘅專利,愈來愈多年輕人都有血壓偏高。其實,血壓高並非只係「壓力大」咁簡單,而係整個身體系統出問題:心臟、血管、腎臟、神經、荷爾蒙都有份參與。

原糖 vs 紅糖 vs 白糖:哪一種更健康?

原糖 vs 紅糖 vs 白糖:哪一種更健康?

日常生活中,我們常見的糖有「原糖」、「紅糖」與「白糖」。三者外觀、味道甚至用途都略有不同,但在營養與健康層面上又有幾大差異。本文將帶你深入了解它們的製作方式、特性與對身體的影響。

籃球係有氧運動嗎?— 一文睇清有氧同無氧運動嘅分別、好處同平衡之道

籃球係有氧運動嗎?— 一文睇清有氧同無氧運動嘅分別、好處同平衡之道

籃球係全球最受歡迎嘅運動之一,無論係街場隨意投籃、定係正式比賽,都可以幫助身體活動。但你有冇諗過,籃球到底屬於「有氧運動」定「無氧運動」?兩者又有咩分別?點樣玩先至最有益身體?

本文會同你用簡單角度拆解「有氧」同「無氧」嘅概念,並講解籃球點樣同時結合兩者,最後再分享點樣令你嘅籃球運動更健康、更有效。

男士禿頭對策:了解雄性禿與5%米諾地爾(Minoxidil)生髮原理

男士禿頭對策:了解雄性禿與5%米諾地爾(Minoxidil)生髮原理

雄性禿是什麼?為何只在頭頂出現? 好多男士年過25歲開始發現頂部頭髮越來越稀疏,但前額線卻似乎仍然正常,這情況其實非常典型。這種情況稱為 雄性禿 (Androgenetic Alopecia),是男性最常見的脫髮原因之一。 主要成因來自兩方面: 遺傳基因:如果父母其中一方有禿頭問題,後代的...
發現死老鼠點處理?

發現死老鼠點處理?

喺屋企、後花園、廚房甚至車房發現一隻「死老鼠」唔係罕見事,但好多屋主第一時間會「嚇親」或者「即刻掃走」。其實咁樣反而危險!
死鼠可能帶有漢他病毒、鈎端螺旋體病、沙門氏菌等病原體,一旦處理唔當,吸入塵埃或者接觸體液,都可能感染疾病。以下教你一套澳洲、香港、台灣都適用嘅安全清理步驟。

老鼠與大鼠的衛生影響:對人體與家居健康的真正威脅

老鼠與大鼠的衛生影響:對人體與家居健康的真正威脅

「老鼠」同「大鼠」雖然都屬於齧齒類,但牠哋對人類健康嘅影響有明顯分別。本文會詳細講解牠哋嘅衛生差異、疾病傳播途徑、同預防方法

無人機醫療配送:低空經濟下的香港新契機

無人機醫療配送:低空經濟下的香港新契機

  無人機醫療配送:低空經濟下的香港新契機 —— 從健康、醫療金融到商業模式的全球比較與啟示 在香港「低空經濟」監管沙盒下,無人機由數碼港跨海至長洲醫院,約 12 公里航線僅需 18–20 分鐘,相比傳統 45–65 分鐘大幅提速。本文聚焦醫療價值、醫療金融回報與商...