Wine and Allergies
Did you know that wine may contain surprisingly many potential allergens? Acetaldehyde and biogenic amines, which can potentially cause headaches, may be present in any wine regardless of type or production method. On the other hand, casein and egg whites …
Is Quality Control Unnecessary for Wine? The Crisis of a Lawless Territory Called “Half-Hearted Natural Wine”
Before writing this article, there is something I must clarify first. The author does not belong to any faction that could be called “anti-natural wine,” nor do I have an extreme dislike for “natural wine.” I hope you will read this article with this unde …
Glass Shape and Wine Perception: Does Glass Form Alter Wine Enjoyment?
Many wine enthusiasts find their cupboards filled with an extensive collection of wine glasses. Others may appreciate wine bars that serve wines in multiple glass types tailored to different wines. The marketplace offers an extraordinary variety of wine g …
Complete Guide | How Sparkling Wine is Made
Sparkling wine, epitomized by Champagne, is an indispensable element at parties and other festive occasions. Have you ever wondered how this effervescent wine containing carbon dioxide gas is actually produced? While explanations of production methods are …
The Science of Bubbles: Understanding the Mechanism Behind Sparkling Wine’s Appeal
Sparkling wine is an indispensable element of celebrations and gatherings, extending far beyond Christmas and New Year festivities. The sight of bubbles ascending through a flute glass alone can evoke a sense of festivity in the consumer. Sparkling wine i …
The Relationship Between Alcohol and Wine’s Taste and Aroma Perception
When tasting wine, which element do you focus on most? Many of you might be conducting tastings that center more on aroma than on flavor. For winemakers, some of you may be paying more attention to the wine’s compositional elements themselves, such as res …
Wine Off-Flavor | UTA / ATA
You tasted a white wine at a winery or wine shop and liked it enough to purchase it. However, you felt it was still a little early for drinking, so you decided to let it rest a bit longer in your home cellar. Six months later, at the dinner table. You kne …
How Long Will Premium Vineyards Remain Premium? | Vineyard Location
On September 12th, the winery where I work harvested grapes for the first time in the 2019 season. While grape growth wasn’t as abnormally accelerated as in 2018, when the harvest came nearly a month earlier than usual, 2019 still marked the beginning of …
Grape Sunburn Phenomenon
Grape berries undergo sunburn phenomena similar to human skin. This phenomenon introduces burnt-like flavors into wine, particularly affecting the quality of white wines where delicate aromas are crucial. Sunburned berries must be sorted and removed durin …
Understanding Soil in Wine
When introducing wines in Japan, it seems that reference to the type of soil in which the grapes were cultivated is frequently made as one of the elements expressing a wine’s character. While this tendency is not limited to Japan alone, it appears particu …
Frost Protection Methods in Vineyards
Recently, I wrote an article about how earlier budbreak in grapevines increases the risk of frost damage. But do you know what methods exist to protect against this frost damage? Traditional Method: Warming by Open Fires The most traditional countermeasur …
Biodynamic Fundamentals: Understanding Biodynamics Through Three Key Questions
In recent years, the term “biodynamic” or “biodynamic agriculture” has rapidly gained mainstream recognition. This is particularly true in the wine industry, where many globally acclaimed producers have adopted this approach, and you may have encountered …
Complete Guide: Rosé Wine Production Methods and Their Characteristics
I once encountered an observation that “rosé wines are difficult to imagine even when you know their origin and grape variety.” While this is a fascinating perspective, as someone actually involved in winemaking, I find myself thinking, “Yes, that might i …
The Relationship Between Wine, Tradition, and Vessels | Examining the Meaning of Qvevri and Bocksbeutel
There are vessels that have been traditionally used in winemaking for centuries. When we think about it carefully, there may be cases where we cannot clearly explain why we continue to use them. Why do we use qvevri? What makes Bocksbeutel superior to ord …
Wine and pH – What Changes in pH Bring to Wine
One of the most critical factors in winemaking is pH. Many people may recall learning about pH in middle school science or high school chemistry classes. However, understanding how pH relates to wine can be challenging. When researching the relationship b …
Fundamental Understanding of Non-Saccharomyces Yeasts: New Options in Modern Winemaking
In modern winemaking, yeast selection technology continues to evolve constantly. A recurring phenomenon is observed where specific yeasts gain attention due to outstanding performance in competitions or industry recommendations, leading to rapid expansion …
What Do Wine Stabilizers Actually Stabilize? | About Gum Arabic (Acacia)
“Wine is made from grapes alone.” This is what most people believe, yet contrary to this assumption, some wine back labels include listings of additives. There are several types of additives, with antioxidants and stabilizers being among the most well-kno …
Alcohol Adjustment in Wine | Considering Water Addition
Global temperatures are rising due to climate change, accelerating the growth of wine grapes accordingly. Warmer winters have caused grape budbreak to occur earlier, and through increasingly hot summers, we can now harvest grapes that are more mature than …
The Truth About “Good Vineyards” in Wine
https://www.youtube.com/watch?v=O9hVTlhyZDc Among wine enthusiasts, the belief that “good vineyards” produce quality wines is widely accepted. Wines from vineyards with classifications such as Grand Cru or Premier Cru are often perceived as “distinctly di …
Exploring Wine Diversity
https://www.youtube.com/watch?v=l3zcrR39d8Q In recent years, the concept of “diversity” has become a frequent topic of discussion within the wine industry. However, this diversity does not merely refer to variations within traditional frameworks such as d …
The Truth About Natural Wine
https://www.youtube.com/watch?v=Z-SccwUyehI The term “natural wine” remains a perpetual source of heated debate among wine enthusiasts. This phrase has become so ubiquitous that it jumps out at us from Tokyo’s streets in combinations like “natural wine an …
































