Soy-sauce-marinated masu ikura (roe of the pink salmon, karafuto masu) has a name close to “sake ikura” (chum salmon roe), so it is hard to tell the fish species from the name alone, and the name does not say how many servings 500g makes or how long it keeps after opening. This article organizes the published product information for the soy-sauce-marinated masu ikura 500g sold by Densho Co., Ltd. (Echizen Kani Shokunin Kouragumi) of Tsuruga, Fukui, made with pink salmon roe from the U.S. or Russia (about 6 servings; the serving count is the seller’s approximate figure), into five points: amount, storage method, ingredient labeling, suitability as a gift, and reviews. Its key features are that the full 500g arrives frozen in one pack, and that it is described as ready to eat after thawing, with no heating needed.
At a Glance
Key points
- Soy-sauce-marinated masu ikura, 500g. “About 6 servings” is the seller’s approximate figure, and this is the only size offered
- Described as ready to eat after thawing (no heating needed). It is described as thawed naturally in the refrigerator for about half a day, and as best eaten within about 1 month frozen
- Rakuten rating 4.6 (1,800 reviews). Retrieved September 23, 2026
- Noshi (gift wrapping label) supported, as stated on the product page
Watch out for
- The ingredient is the roe of masu (pink salmon), not of sake (chum salmon)
- A note says some ingredients may differ depending on the manufacturer
Suits: People who want 500g of masu ikura in one pack, with noshi
The comparison covers the 11 ikura items featured on Ochinity (as of October 18, 2026). Each value is as of the date its own article was researched and may differ from the current listing. Features are from the Rakuten Ichiba product page and the official site (viewed September 23, 2026). The rating is as displayed on Rakuten (retrieved September 23, 2026) and does not necessarily reflect the current state of the product.
Compared with 11 Similar Ikura Items
Among the 11 ikura items featured on Ochinity (as of October 18, 2026). Each value is as of the date its own article was researched and may differ from the current listing. Ratings are as displayed on Rakuten; the fewer the reviews, the more easily the figure can shift, and it does not necessarily reflect the current state of the product. The table is ordered by product name with this article first, and does not indicate ranking.
| Product | Total amount (g) | Delivery temperature | Rakuten rating |
|---|---|---|---|
| 越前かに職人甲羅組 鱒いくら醤油漬け500g (this article) | 500 | Frozen | 4.6 (1,800 reviews, 2026-09-23) |
| オホーツクの風 いくら醤油漬け 200g | 210 | Frozen | 4.25 (4 reviews, 2026-09-16) |
| Nakamuraya Sanriku Kaihouzuke 350g | 350 | Frozen | 4.49 (83 reviews, 2026-09-27) |
| 北の町から 北海道 知床・羅臼産 鮭いくら 醤油漬け | 80／200／600／1000 | Frozen | 4.63 (1,466 reviews, 2026-09-21) |
| 北の町から 北海道産 鮭いくら 塩漬け | 200／600／1000 | Frozen | 4.68 (353 reviews, 2026-09-21) |
| Hokkaido Ikura Shoyu-zuke 200g (Salmon Senmonten Iwamatsu) | 200 | Frozen | 4.56 (1,010 reviews, 2026-10-04) |
| 北海道産 上級品 いくら醤油漬け500g | 500 | Frozen | 4.55 (2,690 reviews, 2026-09-23) |
| 森源商店 紅鮭いくら醤油漬け500g（250g×2P） | 500 | Frozen | 4.22 (2,544 reviews, 2026-09-25) |
| 港ダイニングしおそう 鱒いくら醤油漬け 250g／500g | 250／500 | Frozen | 4.64 (3,398 reviews, 2026-10-01) |
| 神戸CRAB 完熟いくら醤油漬け 250g | 250 | Frozen | 4.32 (849 reviews, 2026-09-27) |
| 築地の王様 イクラ醤油漬け500g 北海道産鮭いくら (soy-marinated salmon roe, 500g) | 500 | Frozen | 4.6 (268 reviews, 2026-10-17) |
Product names link to each product’s article.
- The Rakuten rating of 4.6 (1,800 reviews) is lower than that of 港ダイニングしおそう 鱒いくら醤油漬け 250g／500g, another masu ikura item (4.64, 3,398 reviews), and 北の町から 北海道産 鮭いくら 塩漬け (4.68, 353 reviews)
- The total amount comes in one size, 500g. 港ダイニングしおそう 鱒いくら醤油漬け 250g／500g also offers 250g
Basic Information
- Product name
- 鱒いくら醤油漬け500g 約6人前 食べ放題! (soy-sauce-marinated masu ikura, 500g, about 6 servings)
- Amount
- 500g (about 6 servings is an approximate figure)
- Storage
- Described as to be kept frozen (−18°C or below)
- Best-before date
- Described as to be eaten within about 1 month, frozen
- Heating
- Described as ready to eat after thawing (no heating needed)
- Allergens
- Contains wheat, soy, and ikura in part
- Price
- Not listed here because it changes
- Shipping
- Delivery date can be specified from 4 days after ordering (the delivery method category is Not confirmed)
- Noshi / gifting
- Noshi supported (the inscription types and wrapping types are Not confirmed)
This list transcribes what is stated on the product page. However, the “not confirmed” labels and any notes we add are our own.
The product page states that part of the ingredients contain wheat, soy, and ikura as allergens. If you have an allergy, please contact the seller before purchasing, or be sure to check the label on the product once it arrives (reference: Consumer Affairs Agency, Japan, “About Allergen Labeling”, viewed September 23, 2026).
See the transcribed details, sources and “not confirmed” items (15 items)
This list transcribes what is stated on the product page. However, the “not confirmed” labels and any notes we add are our own.
- Product name
- 鱒いくら醤油漬け500g 約6人前 食べ放題! (soy-sauce-marinated masu ikura, 500g, about 6 servings)
“About 6 servings” in the product name is the seller’s approximate figure; the actual amount is 500g (a single size). - Type of food
- Soy-sauce-marinated ikuraSource: Rakuten Ichiba product page and Kouragumi official site (same wording, viewed September 23, 2026)
- Amount
- 500g (about 6 servings)Source: same as above
- Options
- A single size, 500gSource: same as above
- Storage method
- Described as to be kept frozen (−18°C or below)Source: product page description and official site
- Best-before date
- Described as to be eaten within about 1 month, frozen at −18°C or belowSource: product page description and official site
- Ingredients
- Stated as pink salmon roe (from the U.S. or Russia), soy sauce, oligosaccharide, salt, rice fermented seasoning, bonito extract, sugar / seasoning (amino acids), powdered starch syrup, reduced starch syrup, and kelp dashi and seasoning (amino acids, etc.). A note also says some ingredients may differ depending on the manufacturerSource: Rakuten Ichiba product page and official site (viewed September 23, 2026)
- Allergens
- Stated as containing wheat, soy, and ikura in part of the ingredientsSource: same as above
- Raw material origin
- Pink salmon roe (from the U.S. or Russia)Source: product page description and official site (viewed September 23, 2026)
- Place of processing
- Not confirmed
- State / how to eat (whether heating is required)
- Described as ready to eat after thawing (no heating needed). Natural thawing in the refrigerator for about half a day is describedSource: product page description and official site
- Shipping
- The delivery method (cool-delivery category) is Not confirmed. The page explains that a delivery date can be specified from 4 days after ordering, and also that same-day shipping is supported. A note says delivery may not arrive on the specified date and time because of weather or traffic conditionsSource: product page description
- Noshi / gifting
- The product page says various kinds of noshi are available, and the Rakuten product page data also shows noshi support. The types of inscription, and the types of gift box, simple gift box, and gift wrapping, are Not confirmed. The words ochugen (mid-year gift) and oseibo (year-end gift) in the product name and tags are search keywords and do not indicate the types of inscriptionSource: Rakuten Ichiba product page (viewed September 23, 2026)
- Manufacturer
- Not confirmed (both the product page and the official site give only a “seller” label, with no distinction between manufacturer and processor. The seller is Densho Co., Ltd.)
- Shop
- Echizen Kani Shokunin Kouragumi (DENSHOKU) (Rakuten Ichiba)
Prices are not listed here because they change. Please check the current price and stock availability at the link above.
What Public Reviews Say
We checked the number of ratings and the average score shown on the Rakuten Ichiba product page, and the posts published on the review page (16 read). This trend may not reflect the product’s current state. The rating figures are as of the time viewed and change afterward.
| Site | Rating | Reviews | Viewed |
|---|---|---|---|
| Rakuten customer reviews (product page) | 4.6 / 5 | 1,800 reviews | September 23, 2026 |
What Reviewers Praise
Many posts praise the good taste and the small, easy-to-eat grains. Some say they buy it again every year for seasonal events such as the New Year, that it was well received as a gift, or that it arrives frozen and is easy to use.
Source: Rakuten customer reviews (viewed September 23, 2026; 16 reviews read)
What Reviewers Note
Some point out that the grains are smaller than those of sake ikura (chum salmon roe), and some say the soy-sauce seasoning is a little strong and they would prefer it milder.
Source: Rakuten customer reviews (viewed September 23, 2026; 16 reviews read)
Summary: Is This the One for You?
Why choose it: You want 500g of masu ikura in one pack, and you want noshi. If those two are your conditions, this product, which arrives frozen in 500g and is described as supporting noshi, meets both (weak point: its rating of 4.6 is lower than the 4.64 of 港ダイニングしおそう 鱒いくら醤油漬け 250g／500g, another masu ikura item).
- Among the 16 reviews read in the “standard” sort order, many mention small, easy-to-eat grains and buying it every year for the New Year; others point out that the grains are smaller than sake ikura and that the taste is strong
- After thawing it can be eaten without heating, and natural thawing in the refrigerator for about half a day is described
Other options: If you want masu ikura in 250g, see 港ダイニングしおそう 鱒いくら醤油漬け 250g／500g; if you want to buy sake ikura and choose the amount, see 北の町から 北海道 知床・羅臼産 鮭いくら 醤油漬け.
This section is based on the Rakuten Ichiba product page, the official site, and Rakuten customer reviews (viewed September 23, 2026). It reflects the trend within the range of reviews read and does not necessarily reflect the current state of the product.
Prices, stock, shipping fees, and delivery dates are subject to change. This article’s information-as-of date is September 23, 2026. Please be sure to check the listing at the link before purchasing.
This article contains affiliate links (advertising). Editorial Policy
This article organizes information published on various retail sites. Product details such as amount, storage method, and ingredients are subject to change, and this article reflects the content as of the information-as-of date.
Comments on taste or quality are summaries of third-party posts cited with their source, and are not Ochinity’s own evaluation. Our approach to writing articles is described in our Editorial Policy.
Information as of: September 23, 2026 / Sources: Rakuten Ichiba “Echizen Kani Shokunin Kouragumi” product page, Kouragumi official site, Rakuten API relay, Rakuten customer reviews, Yahoo! Shopping shop page, Amazon product page, Consumer Affairs Agency, Japan, “About Allergen Labeling”
