別再說喝咖啡心悸是因為瑕疵豆了！真正的原因是……｜Stop Saying Heart Palpitations from Coffee Are Due to Defective Beans! The Real Reason Is…
在咖啡圈，經常聽到一種說法：「喝咖啡會心悸，是因為用了瑕疵豆！」這種說法流傳甚廣，但真的是這樣嗎？
其實，心悸的主要原因通常與咖啡因的耐受度有關，此外，烘焙程度與酸度的變化，也可能對身體產生不同的影響。
這篇文章將深入探討喝咖啡導致心悸的真正原因，讓你不再被誤導！
一、瑕疵豆真的是心悸的元兇嗎？
瑕疵豆影響健康，但不會直接導致心悸
瑕疵豆的確會影響咖啡的品質，例如產生霉味、發酵過度的酒精味，甚至難聞的腐敗氣味。但問題是，瑕疵豆的影響是長期性的，並不會讓你喝完咖啡後立刻心悸！
我自己因為對劣質咖啡豆過敏，才開始意識到精品咖啡的重要性。過去，我不太在意咖啡品質，只想透過咖啡提神，結果卻經常出現腸胃不適、胃痛、消化不良，甚至有皮膚過敏的狀況。
直到開始接觸精品咖啡後，這些症狀才明顯減少，這讓我深刻體會到便宜劣質的咖啡可能帶來健康風險，而選擇品質好的咖啡，不僅能享受更好的風味，還可以帶來其他好處！
雖然瑕疵豆的影響不容忽視，但如果你喝完咖啡後立刻感到心悸，問題更可能出在咖啡因的攝取量或你的耐受度，而不是瑕疵豆本身！
👉 下次我們再來詳細討論瑕疵豆的種類與影響，這裡就不細講這個部分了！
二、真正讓你心悸的幾大可能原因
1. 阿拉比卡豆（豆種更加正確） vs. 羅布斯塔豆（豆種更加正確）：咖啡因含量的差異
這也是為什麼，很多人會標榜阿拉比卡豆——因為阿拉比卡與羅布斯塔的咖啡因含量完全不同！
☕ 阿拉比卡（Arabica）咖啡豆
- 風味較細緻，酸質與甜感較高。
- 咖啡因含量較低（約 1.2% - 1.5%）。
- 通常用於精品咖啡，較少苦澀味。
- 精品配方，較有特色的店家商品。
☕ 羅布斯塔（Robusta）咖啡豆
- 風味偏苦、帶有泥土味或橡膠味。
- 咖啡因含量較高（約 2.2% - 2.7%，幾乎是阿拉比卡的兩倍！）。
- 常用於義式濃縮拼配豆，或廉價即溶咖啡。
**但別因為喝到羅布斯塔豆的咖啡造成心悸就不喝咖啡，因為喝咖啡的好處遠大於可能的不適！**找到適合自己的咖啡很重要，不同的豆種、焙度、沖煮方式，都能影響你的體驗。
✅ 如果你喝咖啡容易心悸，先確認自己喝的豆子是哪一種！
✅ 建議可以從中焙的阿拉比卡豆開始嘗試，如果覺得太濃，也可以適量加水稀釋，降低對身體的刺激。
2. 咖啡因攝取過量
簡單來說，咖啡因就像鹽巴。
👉 適量使用，能讓食物美味可口。
👉 一下子灑太多，馬上覺得噁心、口渴，甚至影響血壓！
如果你是咖啡因敏感族群，建議選擇低咖啡因的豆子，或者控制每日攝取量，避免一次喝太多造成身體負擔。
3. 烘焙程度與酸度變化的影響
不同的烘焙程度會影響咖啡因的含量與酸度，這可能影響身體的適應程度。
🔹 淺焙咖啡：保留較多酸質，可能會刺激腸胃或迷走神經，導致部分人感到不適或心悸。
🔹 中焙咖啡：酸度與咖啡因含量較平衡，對多數人來說較溫和。
🔹 深焙咖啡：酸度降低，但咖啡因萃取效率較高，如果一次喝太多，仍可能造成較強的刺激。
✅ 如果你對酸度敏感，可以試試中焙或中深焙，降低對身體的影響。
結論：心悸 ≠ 瑕疵豆！找出真正影響你的原因
如果喝完咖啡馬上心悸，請先檢查這幾點：
🔍 你喝的是阿拉比卡還是羅布斯塔？咖啡因含量有差異！
🔍 你的咖啡因攝取量是否過多？
🔍 是否因為空腹或壓力大時飲用咖啡？
🔍 你的焙度與酸度是否影響身體反應？
瑕疵豆的影響雖然不容忽視，但它更像是「長期的隱形殺手」，而非導致你當下心悸的直接原因。
如果你跟我一樣，喝羅布斯塔豆容易感到不適，建議試試改喝阿拉比卡豆，或者調整沖煮方式，找到適合自己的咖啡習慣！
☕ 也可以來找我買咖啡唷！找到適合你的咖啡，才能真正享受這杯香醇的美好！✨
📢 你也曾因為咖啡而心悸嗎？留言分享你的經驗，讓更多人找到適合自己的咖啡！
文獻參考：
說實話：攝取多少咖啡因才算過量？
咖啡、咖啡因和健康。
In the coffee community, there’s a common belief: “Drinking coffee causes heart palpitations because of defective beans!” This idea has spread widely, but is it really true?
In reality, the main cause of heart palpitations is usually related to caffeine tolerance. Additionally, roast level and acidity variations can also have different effects on the body.
This article will take a deep dive into the real reasons why coffee might cause heart palpitations—so you won’t be misled anymore!
1. Are Defective Beans Really the Culprit Behind Heart Palpitations?
Defective beans affect coffee quality, but they don’t directly cause heart palpitations.
It’s true that defective beans can negatively impact coffee quality, leading to moldy odors, excessive fermentation with an alcoholic taste, or even unpleasant rancid smells. However, the problem with defective beans is more long-term—they don’t cause immediate heart palpitations after drinking coffee!
I personally became aware of the importance of specialty coffee due to my sensitivity to poor-quality beans. In the past, I didn’t care much about coffee quality—I just wanted caffeine to stay awake. However, I often experienced stomach discomfort, acid reflux, digestive issues, and even skin allergies.
It wasn’t until I switched to specialty coffee that these symptoms significantly reduced. This made me realize that cheap, low-quality coffee might pose health risks, while choosing high-quality coffee not only enhances flavor but also provides additional benefits!
While the impact of defective beans shouldn’t be ignored, if you experience heart palpitations right after drinking coffee, the problem is more likely due to caffeine intake or personal sensitivity— not the defective beans themselves!
👉 Next time, we’ll discuss the different types of defective beans and their impact—stay tuned!
2. The Real Reasons Behind Your Heart Palpitations
1️⃣ Arabica vs. Robusta: The Difference in Caffeine Content
This is why many people prefer Arabica coffee beans—because the caffeine content in Arabica and Robusta beans is completely different!
☕ Arabica Coffee Beans
- More delicate flavors with higher acidity and sweetness
- Lower caffeine content (around 1.2% - 1.5%)
- Commonly used in specialty coffee, with less bitterness
- Often found in higher-quality blends
☕ Robusta Coffee Beans
- More bitter flavors, sometimes with earthy or rubbery notes
- Higher caffeine content (around 2.2% - 2.7%, almost twice that of Arabica!)
- Often used in espresso blends or cheap instant coffee
💡 But don’t give up on coffee just because Robusta makes you feel jittery! Coffee has many benefits, and finding the right one for you is key. Bean variety, roast level, and brewing method all impact your experience.
✅ If coffee gives you heart palpitations, first check what type of beans you’re drinking!
✅ Try starting with medium-roast Arabica beans. If the taste is too strong, dilute it with a bit of water to reduce its impact on your body.
2️⃣ Excessive Caffeine Intake
Simply put, caffeine is like salt.
👉 Used in the right amount, it enhances the flavor.
👉 Use too much at once, and it quickly becomes overwhelming, causing discomfort, thirst, or even affecting blood pressure!
If you’re sensitive to caffeine, consider:
- Choosing low-caffeine beans
- Limiting daily intake to avoid overloading your system
3️⃣ The Effects of Roast Level & Acidity Changes
Different roast levels affect caffeine content and acidity, which can impact how your body reacts.
🔹 Light Roast Coffee: Retains more acidity, which may irritate the stomach or vagus nerve, causing discomfort or palpitations in some people.
🔹 Medium Roast Coffee: A balanced level of acidity and caffeine, making it milder for most people.
🔹 Dark Roast Coffee: Lower acidity, but higher caffeine extraction efficiency—if you drink too much, it can still be highly stimulating.
✅ If you're sensitive to acidity, try medium or medium-dark roast to reduce its impact on your body.
Conclusion: Heart Palpitations ≠ Defective Beans! Find the Real Cause
If you experience heart palpitations after drinking coffee, check these key factors first:
🔍 Are you drinking Arabica or Robusta? The caffeine content differs!
🔍 Are you consuming too much caffeine at once?
🔍 Did you drink coffee on an empty stomach or while under stress?
🔍 Is the roast level or acidity affecting your body's reaction?
While defective beans should not be ignored, they are more like a "long-term hidden danger" rather than the direct cause of heart palpitations.
If, like me, Robusta makes you feel uncomfortable, try switching to Arabica beans or adjusting your brewing method. Finding the right coffee for you makes all the difference!
☕ Looking for high-quality coffee? I’ve got you covered! Finding the right coffee means truly enjoying the rich, aromatic experience! ✨
📢 Have you ever experienced heart palpitations from coffee? Share your experience in the comments to help others find their perfect brew!
References:
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