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 …
Bio and “Natural”: A Winemaker’s View from the Cellar
Whenever I occasionally post about “natural wine” on X (formerly Twitter), those posts tend to be shared relatively widely for my account size. This simply indicates how many people react to this particular keyword. In recent years, especially in Japan, t …
Brettanomyces: The Yeast Behind Brett Off-Flavors in Wine
You open a bottle of wine you’ve been looking forward to and pour it into your glass. As you bring your nose close to enjoy the aromatic bouquet rising from the wine, something seems off. Many of you have probably had this experience. Wine that produces u …
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 …
The Surprising Truth Behind Sparkling Wine Gushing
When you’re tired from the day’s work, when you want to add a touch of elegance to your everyday life, when you wish to spend quality time with close friends, or when you need to refresh yourself from the oppressive heat—sparkling wine is the perfect comp …
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 …
Wine, Soil, and Terroir | Slate Color and Wine Character
When explaining the distinctive character of wine, the discussion often relates to terroir. Soil is one of the elements that constitute terroir. There are numerous types of soil. Alongside clay and limestone, Schiefer occupies a significant position among …
Understanding South African Wine Through Data
Why South African Wines Deliver Exceptional Quality at Accessible Prices South African wines have become indispensable in the global market as leading examples of high-quality yet affordable wines. While Chile once dominated this category, South Africa is …
Biostimulants | A Category That Need Not Explain Why It Works
The word “biostimulant” turns up more and more often on the shelves of agricultural and horticultural suppliers, and not only in viticulture. The descriptions on those shelves tend to run along the lines of invigorating the plant, or activating it. When t …
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 …
The Environment Surrounding Winemaking | Is There Really Anything That Remains Unchanged?
The tasting method of comparing wines from different harvest years made from the same grape variety harvested from the same vineyard is called “vertical tasting.” This vertical tasting serves two purposes. The first purpose is to compare wines from new an …
Foundations of Grapevine Rootstocks
According to statistics published by the International Organisation of Vine and Wine (OIV), the global vineyard area in 2022—encompassing wine grapes as well as table grapes, raisins, and juice grapes—amounted to approximately 7.3 million hectares.Althoug …
The Chemistry of Wine Ageing | Fundamentals of the Maillard Reaction
A chemical reaction known as the Maillard reaction exists. This reaction is also called the amino-carbonyl reaction. The browning of meat when grilled, the appetizing golden color of baked cookies or toast, and the appealing color of fish teriyaki glazed …
Are Dessert Wines Never Red?
Preferences in wine vary widely, but few people seem to dislike the profound sweetness that characterises dessert wines. Even setting aside Château d’Yquem, the mere thought of a Riesling Trockenbeerenauslese from an exceptional vintage is enough to bring …
Flor Yeast: The Film-Forming Yeast That Shapes Wine Character Through Biological Aging
Wine aging is a crucial element that deepens the wine’s flavor profile. While wines generally evolve through oxidative aging, an alternative method called “biological aging” is sometimes employed during the winemaking process. Biological aging is a matura …
Bio and “Natural”: A Winemaker’s View from the Cellar
Whenever I occasionally post about “natural wine” on X (formerly Twitter), those posts tend to be shared relatively widely for my account size. This simply indicates how many people react to this particular keyword. In recent years, especially in Japan, t …
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 …
Can Concrete Transform Winemaking?
Attention is returning to wines that are fermented and aged in concrete vessels. Concrete is a building material very familiar to modern people. While concrete is strongly associated with building exteriors and walls, in winemaking it serves as a material …
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 “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 …
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 …






























