Is It True That Antioxidants Cause Headaches?
While it seems to be mentioned somewhat less frequently these days, there is a persistent claim that antioxidants contained in wine—specifically additives called sulfites or sulfurous acid—are the cause of headaches that occur when drinking wine. This the ...
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 ...
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 ...
Wine Bottle Storage: Vertical vs. Horizontal Storage - Which is Correct?
When storing wine, there's probably one question that everyone has wondered about at least once: how should the bottle be positioned? Should wine bottles be stored horizontally, or should they not be stored vertically? A quick search reveals many explanat ...
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 ...
How to Make Sulfur Dioxide-Free Wine
The terms "sulfur dioxide" or "sulfites" have become something of a dreaded unhealthy buzzword in Japan's wine industry today, treated with the same revulsion as a venomous snake. Meanwhile, sulfur dioxide-free wines—those made without adding these antiox ...
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 ...
Rising Temperatures Cause Widespread Damage: Understanding Grape Sunburn
With the arrival of summer, grapevines in vineyards continue their growth cycle. Currently, vineyard operations are proceeding simultaneously with lateral shoot removal, leaf removal, and shoot tip cutting. During this period, Germany experienced two days ...
Comprehensive Guide to Phylloxera
On March 5, 2019, news emerged of fresh phylloxera damage in vineyards in the Yarra Valley, Victoria, Australia. Phylloxera represents one of the most devastating pests in viticulture, capable of causing catastrophic damage to grapevines. In the past, thi ...
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 ...
The Three Major Diseases of Wine Grapes | Downy Mildew: Causes and Control Measures
There is one disease that grape growers particularly fear during rainy years: downy mildew. Whether dealing with wine grapes or any other cultivated plants, the battle against diseases is unavoidable. Vineyards encounter various diseases, but the most pro ...
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 ...
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 ...
Fundamentals and Applications of Non-Saccharomyces Yeasts: New Possibilities in Wine Production
The role of microorganisms in winemaking has been extensively studied throughout its history. Saccharomyces cerevisiae, which has long been the focus of attention as the primary agent of alcoholic fermentation, has become indispensable in modern winemakin ...
Why Grape Aromas Differ from Wine Aromas | Volatile Compounds and Precursors
Aroma is one of the essential elements that cannot be overlooked when enjoying wine. When we pour wine into a glass, we don't immediately put it to our lips. First, we bring the glass close to our nose and enjoy the aromas that rise from it. Sometimes we ...
Wine Character Ruined! Understanding Film-Forming Yeasts and Their Control
Have you ever encountered a red wine that tasted oddly flat yet somehow spicy, with aromas reminiscent of dust, mold, or sulfur compounds? Such wines may have been affected by film-forming yeasts during their aging period. While the term "film-forming yea ...
The Winemaking Technique of Carbonic Maceration
Wine terminology related to production processes is often difficult to understand and unfamiliar due to the extensive borrowing from French. However, among such terms, "carbonic maceration" is a name that many people may have heard of at some point. Carbo ...
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 ...