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 …
Many people who study wine have encountered the term “VA” at some point. Initially, the meaning of this abbreviation may not be immediately clear. VA stands for Volatile Acid, which translates to “volatile acidity” in Japanese. More precisely, volatile ac …
Food should be hygienic. This seems like a given for those of us living in the modern era. However, Japan’s Food Sanitation Law was actually enacted in 1948, just 75 years ago. In 2018, this law was partially revised, making it mandatory for all food busi …
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 …
Overview In our previous article “Is Orange Wine Natural Wine?”, we explored the definition, origins, and relationship between orange wine and natural wine. This article provides a detailed examination of orange wine from a winemaking perspective. This ar …
Once bottled and shipped from wineries, wines are influenced by various environmental factors that alter their taste. We describe these taste changes as aging or deterioration. When we think of wine aging or deterioration, oxidation and heat damage are li …
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 …
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 …
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 …
Are you familiar with the term “petri notes”? This is a specialized term frequently used in wine tasting, particularly when evaluating aged Riesling wines. Experienced tasters can sometimes identify a wine’s grape variety as Riesling the moment they detec …
