Once the bottle is opened, is there a "best used by/expire" time frame?

I too am Japanese, I purchase food in bulk including 1or2 gallon containers of Soy Sauce that I put in smaller decanters for day to day use. I’ve had some of them open for close to a decade or more with no ill effects.

Is this heat treated or pasteurized?

Yes, it is briefly heated to 80 degrees Celcius during the filling process. Scientifically, it has been confirmed that by keeping the temperature at 70 degrees Celsius or higher for at least 1 minute, and by packing in a closed container, pathogenic microorganisms do not grow and toxins are not produced. Our Ponzu sauce is filled at 80 degrees Celsius, which sufficiently satisfies the above condition. Thanks for your purchase and we look forward to doing more buisness with you in the future.

How long does it last after it is opened and kept in the refrigerator?

I've never refrigerated my soy sauce. I've had it on my counter for several months with no problem. I live in Tacoma and it's not really hot here, but believe that soy sauce being so salty doesn't require refrigeration. By the way this soy sauce is amazingly good. I'm on my second bottle!

Shouldn't this be 35 dollars?

If you love a good soy sauce and if you live outside Japan and do not have ready access to top quality soy sauce, then yes, this is truly worth 35 dollars (plus shipping). I recently had the opportunity to use this soy sauce with real wasabi on sashimi (a to-go order from a very good, nearby sushi restaurant) and the experience was like none that I've had in the last 30+ years of eating sashimi. This soy sauce and the real wasabi elevated the fish to a whole new level. Even if you only ever get one bottle to try, it is worth experiencing a top notch food product like this once in your life. (The real wasabi I used is "Muso From Japan Real Wasabi, 1.52 Ounce", available here on Amazon.)

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🧑‍🍳 Elevate every dish with the soy sauce connoisseurs swear by!

MASTERFULLY AGED - Years of careful maturation for depth and complexity
GENEROUS 500 ML SIZE - Perfectly sized to elevate your culinary creations without constant restocking
ELEGANT COMPACT DESIGN - Sleek 2.7 x 2.7 x 8.5 inch jar fits seamlessly in any kitchen setup
PURE NATURAL INGREDIENTS - Crafted from premium soy and wheat with no artificial additives
RICHLY CONCENTRATED FLAVOR - Twice the ingredients for an unmatched umami punch

Yamarok Tsurumo is a premium 500ml soy sauce crafted from natural soy and wheat, aged for years to develop a thick, richly concentrated flavor with double the ingredients of standard soy sauces. Packaged in a sleek, compact jar, it’s designed for discerning food lovers seeking authentic umami depth in every drop.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

RM617

Duties & taxes incl.

Malaysiastore

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Customer service was outstanding when I had questions about the product.

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Product Dimensions	7.62 x 7.62 x 22.86 cm; 510.29 g
Item model number	13‐04‐0220
Units	500 Milliliters
Serving Recommendation	18 oz
Brand	Yamaroku
Special Feature	natural-ingredients
Package Information	Jar
Manufacturer	ヤマロク醤油

Yamarok Tsurumo, 16.9 fl oz (500 ml)

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