咖啡公豆 Peaberry Coffee Beans
目錄：
1. 咖啡公豆的生長環境
2. 咖啡喝起來的差異
3. 特別有咖啡公豆的國家
4. 咖啡公豆的市場行情
咖啡公豆(Peaberry Coffee Beans)，又名圓豆，是一種變種的咖啡豆。通常情況下，咖啡果實內部包含兩顆種子(即咖啡豆)，這兩顆種子面對面生長，相對的一側是平的，向外的一側是圓的。然而，公豆這種變種的咖啡果實內只包含一顆種子，這顆種子(咖啡豆)長成橢圓形，沒有平面，因此被稱為圓豆。需要注意的是，「公豆」這個名字屬於誤解。咖啡本身是雌雄同株，並不分「公豆」和「母豆」，比較正確的說法是「圓豆」和「平豆」。
Peaberry coffee beans, also known as round beans, are a unique mutation of coffee beans. Typically, a coffee cherry contains two seeds (coffee beans) that grow with their flat sides facing each other and their outer sides being round. However, in the case of peaberry beans, the coffee cherry contains only one seed, which grows into an oval shape without a flat side, hence the name round bean. It is important to note that the term "peaberry" is a misnomer. Coffee plants are monoecious, meaning they have both male and female reproductive organs in the same plant, so there is no distinction between male and female beans. A more accurate distinction would be between "round beans" and "flat beans."
咖啡公豆的生長環境
咖啡公豆(圓豆)與咖啡平豆生長在相同的環境中，但咖啡圓豆是由於自然突變形成的。據咖啡農說，生長在咖啡樹樹枝末端的咖啡豆，比較有機會出現圓豆。另外，在生長過程中遭遇到病蟲害，咖啡果實內部發育不健全，也可能因為物競天擇而只長出一顆圓豆。一般咖啡圓豆約佔一顆咖啡樹上果實的5%~10%。
Growing Environment of Peaberry Coffee Beans
Peaberry coffee beans grow in the same environment as regular coffee beans, but they result from a natural mutation. According to coffee farmers, beans growing at the ends of coffee tree branches are more likely to be peaberries. Additionally, peaberries may develop due to natural selection when the coffee cherry's interior doesn't fully develop due to pest damage. Typically, peaberries make up about 5% to 10% of the cherries on a coffee tree.
咖啡喝起來的差異
咖啡圓豆和平豆之間的風味差異主要在於，圓豆風味更集中，酸感較高，而平豆則有更廣泛的風味譜。這可能是因為咖啡圓豆單一顆豆子的營養分布更加均勻，烘焙時熱量更均勻地滲透。咖啡風味會根據產地、品種、處理方法和烘焙程度的不同而有很大的變化。兩者之間的差異並非絕對，最終還是取決於個人喜好。
Flavor Differences
The flavor difference between peaberry and flat beans primarily lies in the concentration of flavor. Peaberry beans tend to have a more concentrated flavor with higher acidity, while flat beans exhibit a broader flavor spectrum. This may be because the nutrients in a single peaberry bean are more evenly distributed, allowing heat to penetrate more uniformly during roasting. Coffee flavors can vary significantly based on origin, variety, processing method, and roast level. There is no absolute difference between peaberries and flat beans and ultimately comes down to personal preference.
特別有咖啡公豆的國家
坦桑尼亞是最著名的咖啡公豆產區之一，其他如肯亞、夏威夷、巴西和哥倫比亞等咖啡生產國也有生產咖啡圓豆。
Countries Notable for Peaberry Coffee Beans
Tanzania is one of the most famous regions for peaberry coffee beans. Other coffee-producing countries, such as Kenya, Hawaii, Brazil, and Colombia, also produce peaberry beans.
咖啡公豆的市場行情
咖啡公豆因其稀少性和強烈香氣而在市場上通常價格較高，需求和價格可能因年份和產量波動而變化。有些愛好者認為公豆香氣更強，且因產量稀少，有時會被哄抬以高價出售。然而，不同品種的公豆味道各異，且生成公豆的因素可能受人為影響。所有咖啡豆的分級和價格主要取決於同一批豆子重複經人工手篩選的次數。總之，咖啡公豆的價格和受歡迎程度由其稀有性、風味特性、市場需求和人工篩選過程共同決定。
Market for Peaberry Coffee Beans
Peaberry coffee beans are typically priced higher in the market due to their rarity and intense aroma. Their demand and price can fluctuate based on the year and yield. Some enthusiasts believe peaberries have a stronger aroma, and due to their scarcity, they are sometimes sold at inflated prices. However, the flavor of peaberry beans can vary by variety, and their formation can be influenced by human factors. The grading and pricing of coffee beans primarily depend on the number of times beans from the same batch are manually sorted. Overall, the price and popularity of peaberry beans are determined by their rarity, flavor characteristics, market demand, and the manual sorting process.
咖啡公豆因其稀少性和強烈香氣而在市場上有其愛好者，然而，不同品種的圓豆味道各異，咖啡豆的分級和價格會取決於同一批豆子重複經人工手篩選的次數而增加成本。對於咖啡愛好者來說，探索這些獨特的圓豆，亦是一種美妙的品味體驗。也可以試著在一般咖啡豆中，數一數圓豆的比例，看看是不是只占5%~10%，別有一番趣味。
Peaberry coffee beans are cherished by some for their rarity and strong aroma. However, the flavor of round beans varies among different varieties, and the grading and pricing of coffee beans depend on the repeated manual sorting process, which increases costs. For coffee enthusiasts, exploring these unique round beans can be a delightful tasting experience. It can also be fun to count the proportion of peaberries in a batch of regular coffee beans, seeing if they indeed make up just 5% to 10%.
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