This is a jam set sold by SERENO (セレーノ) on Rakuten Ichiba, in which you choose 3 jars from four flavors: strawberry, marmalade, blueberry and apricot. Each jar is 280g, so 3 jars come to 840g. The seller named in the product description is Kato Sangyo Co., Ltd. (加藤産業株式会社), and the product name states that gift service is not offered. This article organizes the product page and the Rakuten reviews into content volume, storage and shelf life, ingredient labeling, gifts and reviews. Its distinguishing feature is that you receive 3 jars chosen from four flavors.
At a Glance
Key points
- Three 280g jars (840g in total). You choose from four flavors: strawberry, marmalade, blueberry and apricot. The purchase screen has three selection fields, and every field offers the same four choices
- The best-before date is 12 months from manufacture. Storage is described as ambient, away from direct sunlight
- Rakuten rating 4.66 (2,266 reviews). Viewed November 7, 2026
- Ingredients are listed flavor by flavor. All four flavors use a gelling agent (pectin) and an acidulant, and two flavors, marmalade and blueberry, contain liquor (洋酒)
Watch out for
- The product name states “ギフト対応致しておりません” (gift service is not offered), so the product is not described as one intended for gifts
- We could not confirm from the product page whether you can choose the same flavor more than once
Suits: People who want to choose their flavors and buy 3 jars of jam at once for their own use rather than as a gift
Content volume, storage and ingredients are from the product description on the Rakuten Ichiba product page (viewed November 7, 2026), and the selection fields are from the purchase screen of the same page (viewed the same day). The rating is Rakuten Ichiba’s display (viewed the same day) and does not necessarily reflect the current state of the product.
Basic Information
- Product name
- SERENO Jam Workshop (ジャム手づくり工房) Choose-3 Set (“ギフト対応致しておりません”: gift service not offered)
- Content volume
- 280g × 3 jars (840g in total)
- Flavors to choose from
- 3 jars chosen from 4 flavors: strawberry, marmalade, blueberry and apricot
- Storage
- Store at ambient temperature, away from direct sunlight, as the page describes
- Best-before date
- 12 months from manufacture, as the page describes
- Ingredients
- They differ by flavor (see the list below)
- Allergen labeling
- We found no statement on the product page: Not confirmed
- Price
- Not listed here because it changes
- Delivery
- Only ambient storage is stated; we found no statement on chilled or frozen delivery
- Noshi / Gift
- The product name explicitly states that gift service is not offered
This list transcribes what is stated on the product page. However, the “Not confirmed” labels and any notes we add are our own.
The ingredient names are given flavor by flavor in the product description (transcribed in the list below). We found no allergen labeling either on the product page or in the product description images. If you have an allergy, please ask the shop before buying, or be sure to check the label on the product you receive (reference: Consumer Affairs Agency, Japan, “About Allergen Labeling”, accessed November 7, 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
- SERENO Jam Workshop (ジャム手づくり工房) Choose-3 Set (“ギフト対応致しておりません”: gift service not offered)Source: Rakuten Ichiba product page (accessed November 7, 2026). The product name shown on the Rakuten product page continues with notes on shipping fees and on Okinawa and Hokkaido.
- Type of food
- The name fields in the product description read strawberry jam / marmalade / blueberry jam / apricot jam. The headings in the product description are strawberry jam, orange marmalade, blueberry jam and apricot jam, and the page describes the products as a JAS Special Grade (特級) jam seriesSource: product description on the Rakuten Ichiba product page (accessed November 7, 2026)
- Content volume
- 280g for each of the four flavors, so 840g for 3 jars. The page states a size of 79mm × 81mm × 79mm (the product description says only “size”, so what the size refers to is Not confirmed). It does not state how many servings this makes: Not confirmedSource: product description on the Rakuten Ichiba product page (accessed November 7, 2026)
- Available options
- Flavors: strawberry / marmalade / blueberry / apricot
How to choose: the purchase screen has three selection fields, and each field offers the same four flavors. Whether the same flavor can be chosen in more than one field is Not confirmed
Older reviews include flavors that are no longer offered (such as apple and cinnamon) and mentions of 330gSource: purchase screen and product description on the Rakuten Ichiba product page (accessed November 7, 2026) - Storage method
- The page says to store at ambient temperature, away from direct sunlightSource: product description on the Rakuten Ichiba product page (accessed November 7, 2026)
- After opening
- How to store the jam after opening and how long it keeps are not stated on the product page: Not confirmed
- Best-before date
- The page states 12 months from manufactureSource: product description on the Rakuten Ichiba product page (accessed November 7, 2026)
- Ingredients and allergen labeling
- Strawberry: strawberries (imported), sugar / gelling agent (pectin), acidulant
Marmalade: sugars (sugar (made in Japan), glucose), fruit (natsumikan, orange), concentrated orange juice, liquor (洋酒) / gelling agent (pectin), acidulant, flavoring
Blueberry: blueberries (from Canada), sugars (sugar, glucose), liquor (洋酒) / gelling agent (pectin), acidulant, pH adjuster
Apricot: apricots (from China), sugars (sugar, glucose) / gelling agent (pectin), antioxidant (vitamin C), acidulant
We found no allergen labeling either on the product page or in the product description images: Not confirmedSource: product description and product description images on the Rakuten Ichiba product page (accessed November 7, 2026) - Country of origin (ingredient)
- The page states imported strawberries, blueberries from Canada and apricots from China. The origin of the natsumikan and oranges in the marmalade is not stated: Not confirmedSource: product description on the Rakuten Ichiba product page (accessed November 7, 2026)
- Place of processing
- Not confirmed (we found no statement of the manufacturing facility)
- Condition / how to eat (whether heating is needed)
- Jam. We found no guidance on whether heating is needed. The product description image states that it is a jam made with fruit and gives a sugar content of 50 degrees (糖度50度)Source: product description image on the Rakuten Ichiba product page (accessed November 7, 2026)
- Delivery
- We found no statement on chilled or frozen delivery; storage is described as ambient. The product name notes that extra charges apply to Okinawa and HokkaidoSource: Rakuten Ichiba product page (accessed November 7, 2026)
- Noshi / Gift
- The product name explicitly states that gift service is not offered. We found no statement on noshi (gift wrapping label), wrapping or message cardsSource: Rakuten Ichiba product page (accessed November 7, 2026)
- Manufacturer
- Not confirmed (we found no statement of the manufacturer’s name; the product description lists the seller as Kato Sangyo Co., Ltd. (加藤産業株式会社), Nishinomiya City, Hyogo)Source: product description on the Rakuten Ichiba product page (accessed November 7, 2026)
- Shop
- SERENO (セレーノ) (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 organized the Rakuten Ichiba product reviews by theme. The rating figures are as of the viewing date and may change afterward.
| Site | Rating | Reviews | Viewed |
|---|---|---|---|
| Rakuten Minna no Review (product page) | 4.66 / 5 | 2,266 | November 7, 2026 |
Rating breakdown: 5★ 1,652 / 4★ 493 / 3★ 92 / 2★ 21 / 1★ 8 (as shown on Rakuten Ichiba, viewed November 7, 2026)
What we read: the first 56 reviews in Rakuten’s default order (posted June 2010 to October 2026; latest October 2026; 5 of them posted within the last two years), plus 7 of the 8 reviews rated 1★ (posted August 2010 to April 2016) and all 21 reviews rated 2★ (posted August 2010 to March 2017), 84 in total. Most of the reviews we read were posted between 2010 and 2017, and they include descriptions of an earlier specification that differs from the current four flavors and 280g jars (such as apple and cinnamon, or 330g). These are trends within what we read and may not reflect the product’s current condition.
The counts below are approximate figures from reading the review text, and do not include posts that were only about delivery or shop service.
What Reviewers Praise
Mild sweetness (about 22 of 56 in the default order)
About 22 of the 56 reviews in the default order (2 of them within the last two years) said the jam is lightly sweet or not too sweet.
Fruit pieces and texture (about 17 of 56)
About 17 of the 56 reviews (1 of them within the last two years) said they could feel pieces of fruit. Some reviews mention strawberry, blueberry and apricot.
Jar size and quantity (about 11 of 56)
About 11 of the 56 reviews (2 of them within the last two years) said the jar is large or the amount is generous. Some older reviews mention a different content volume from the current one (such as 330g).
Use with yogurt and bread (about 24 of 56)
About 24 of the 56 reviews (1 of them within the last two years) said they mix it into yogurt or spread it on bread (as described by the reviewers).
Source: Rakuten Minna no Review (accessed November 7, 2026)
What Reviewers Note
Found it sweet
About 11 of the 28 reviews rated 1★ or 2★ that we read, and about 10 of the 56 in the default order, said they found it sweet. All of the 1★ and 2★ reviews were posted in 2017 or earlier. Some reviews said it was lightly sweet, so opinions are divided.
How to check: the sugar content of 50 degrees stated in the product description image is summarized in “Condition / how to eat (whether heating is needed)” in “Basic Information” in this article.
Same as ordinary jam
About 7 of the 28 reviews rated 1★ or 2★ said it was no different from jam at a supermarket, or that it was ordinary. All of them were posted in 2017 or earlier.
Too much quantity
About 6 reviews in total, across the 1★ and 2★ reviews and the default order, said one jar was too large to finish. None of them were posted within the last two years.
How to check: the content volume is summarized under “Content volume” in “Basic Information” in this article.
Condition and timing of delivery
About 8 reviews said the jar was warm on arrival, shipping was delayed, or the packing was a concern. All of them were posted between about 2010 and 2016, and none within the last two years.
Source: Rakuten Minna no Review (accessed November 7, 2026)
Summary: Is This the One for You?
Why choose it: You want to pick your favorite flavors and buy 3 jars of jam at once for your own use. If that is your condition, this set fits, since you can choose three 280g jars from four flavors: strawberry, marmalade, blueberry and apricot (weak point: the product name states that gift service is not offered, so the product is not described as one intended for gifts).
- The Rakuten rating is 4.66 / 5 (2,266 reviews). Among the 84 reviews we read, the 56 in the default order mostly mentioned using it with yogurt or bread (about 24) and a mild sweetness (about 22)
- The best-before date is 12 months from manufacture, and storage is described as ambient, away from direct sunlight
Other options: If you want to try a small amount in a 160g pouch, see Additive-Free Haskap Jam, Hokkaido, 160g, Tokachi Berry Farm (160g × 1 pouch, Rakuten rating 4.7 with 299 reviews, as of October 13, 2026).
This section is based on the Rakuten Ichiba product page and Rakuten Minna no Review (viewed November 7, 2026). The review trends are those within what we read and may not reflect the product’s current condition.
Prices, stock, shipping fees, and delivery dates are subject to change. This article’s information-as-of date is November 7, 2026. Please be sure to check the listing at the link before purchasing.
This article contains affiliate links (advertising). Editorial Policy
This article summarizes information published on the sales sites and review sites. Product details such as content volume, storage method and ingredients may change, and this article reflects the content as of the information-as-of date.
Comments on taste or quality are summarized from 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: November 7, 2026 / Sources: Rakuten Ichiba product page of SERENO［セレーノ］, Rakuten Minna no Review, Consumer Affairs Agency “About Allergen Labeling”
