Miso Maker Malkome Recalls 100,000 Items In Nagano City, Japan

Massive Miso Recall Rocks Nagano City, Japan

Miso lovers in Nagano City, Japan, are facing a shortage of their favorite fermented soybean paste after a major recall was issued by popular miso maker Malkome, in March 2024. The company announced the voluntary recall of over 100,000 miso products due to potential contamination with bacillus subtilis: While generally harmless, this bacteria can cause minor gastrointestinal discomfort in some individuals.

A Culinary Staple Recalled

Miso is a cornerstone of Japanese cuisine, used in soups, marinades, and dressings. Nagano Prefecture, where Malkome is located, is known for its high-quality miso production, benefiting from the region’s cool climate and abundant freshwater. Malkome’s recall has sent ripples through the local food scene, with restaurants and grocery stores scrambling to find alternative miso suppliers.

Potential Cause of Contamination

The exact cause of the contamination is now under investigation. However, initial reports suggest it may be linked to a malfunction in Malkome’s fermentation process. Miso production involves inoculating soybeans with koji mold (Aspergillus oryzae) to create a controlled fermentation environment. The presence of bacillus subtilis indicates a disruption in this delicate process.

Miso Recall! Nagano's Malkome Recalls 100,000 Items, Beyond this Recall - Miso, Nagano, Zenkoji Temple, Sake, Snow Monkey Park.

Impact on Consumers

Consumers who have purchased Malkome miso products within the designated recall period are urged to return them to the point of purchase for a full refund. Malkome has released a list of affected products and expiration dates on their website.

Financial Repercussions for Malkome

This large-scale recall is likely to have a significant financial impact on Malkome. The cost of recalling and disposing of contaminated products, coupled with potential lawsuits from consumers who fall ill, could be substantial.

Maintaining Consumer Trust

Malkome has issued a public apology and is working diligently to ensure the safety of its products. The company’s swift action in initiating the recall will hopefully help to maintain consumer trust. However, regaining consumer confidence may take time, especially if any illnesses are linked to the contaminated miso.

Looking Ahead for Malkome

Malkome will need to conduct a thorough investigation to identify the root cause of the contamination and implement stricter quality control measures to prevent similar incidents in the future. Rebuilding consumer trust will be crucial for the company’s long-term success.

Frequently Asked Questions (FAQs) Answered Here:

Miso in Nagano: A Savory Staple

What is the miso in Nagano?

Nagano, Japan, is famous for its Shinshu miso, a type of miso paste made with soybeans, rice koji (a mold), and salt. Shinshu miso is known for its rich, mellow flavor and is a beloved ingredient in Japanese cuisine, especially miso soup.

What does miso mean in Japanese?

“Miso” (味噌) literally translates to “fermented soybean paste” in Japanese.

Where does miso come from?

Miso’s exact origins are unclear, but it’s believed to have arrived in Japan from China sometime between the 7th and 12th centuries. Over time, miso production techniques evolved in Japan, leading to regional variations like the beloved Shinshu miso from Nagano.

Is miso soup Chinese or Japanese?

Miso soup is definitively Japanese. While miso itself originally has Chinese roots, miso soup as we know it today developed in Japan and is a cornerstone of Japanese cuisine.

Beyond the Recall:

Exploring Nagano City

While the miso recall is a cause for concern, Nagano City remains a vibrant and exciting destination for tourists. Here are some of the city’s top, and popular attractions:

Zenko-ji Temple:

This Buddhist temple is one of Nagano’s national treasures, renowned for its intricate architecture and spiritual significance.

Matsumoto Castle:

A stunning example of Japanese castle architecture, Matsumoto Castle is a must-see for history buffs.

Hokuriku Shinkansen:

Take a ride on the Hokuriku Shinkansen bullet train for breathtaking views of the Japanese countryside.

Togakushi Ski Resort:

For winter sports enthusiasts, Nagano offers excellent skiing and snowboarding opportunities at resorts like Togakushi.

Hokusai Museum:

Immerse yourself in the world of Japanese art at the Hokusai Museum, dedicated to the works of the iconic artist Katsushika Hokusai.

Local Sake Breweries:

Sample some of Nagano’s renowned sake at local breweries. Sake production thrives in the region due to the high-quality water.

Snow Monkey Park:

Observe the fascinating snow monkeys bathing in the natural hot springs at Jigokudani Monkey Park.

Hot Springs (Onsen):

Relax and rejuvenate in Nagano’s numerous hot springs, a quintessential Japanese experience.


The Miso recall by Malkome is a significant event for Nagano City’s food industry. However, it’s important to remember that this incident shouldn’t deter you from visiting this beautiful and culturally rich city. Nagano offers a wealth of experiences for travelers, from exploring historical landmarks to indulging in delicious local cuisine (miso shortage notwithstanding!). So, if you’re looking for a unique and unforgettable travel destination, Nagano City should definitely be on your radar.

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Additional Resources:

Voluntary recall of 100,000 items contaminated with insects believed to be cockroaches in Malkome Miso

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