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Bitter melon powder

Bitter melon powder is a raw material made by drying bitter melon (nigauri) and then micro-pulverizing it. In uses such as bitter melon tea, health-oriented beverages, confectionery, and seasoning blends, it aims to spread bitter melon's distinctive mild bitterness and grassy flavor evenly. Bitter melon is a summer vegetable of the Momordica genus in the Cucurbitaceae family, and its bitterness comes from a component called momordicin. At Agriture,Dried goyaand makes it into powder by adding a pulverizing process.

Whereas slice- and dice-shape dried bitter melon suits uses that leverage an ingredient feel, the micro-powder has a strength in uniform blending into liquids and powders. It's used in situations where you want to dissolve bitter melon's flavor into a recipe as a powder—blending bitter melon tea, blending into aojiru and health beverages, dressed-dish bases, furikake, and seasonings, flavoring confectionery, and more. Specifications can be finalized from small quantities.

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Agriture's bitter melon powder: three points of care

1. A drying design that keeps a bitter-melon-like flavor

Bitter melon has high moisture content, and how the flavor rises changes with the drying conditions. At Agriture we set the temperature range and operate under conditions where bitter melon's distinctive grassy aroma and mild bitterness remain. Making low-temperature drying the basis, we curb flavor loss from overheating. Blend prototypes that span use-case genres—bitter melon tea, beverages, seasonings, and more—are possible.

2. Powdering centered on the flesh with the pith and seeds removed

In the raw material's pre-treatment, we mainly use the flesh with the pith and seeds removed. Because how the powder's flavor comes through changes with how the raw material is used—flesh only, or the whole thing including the peel—we decide the raw-material design to match the use in consultation. Micro-pulverizing raises dispersibility into beverages and powders, aiming for a clump-resistant blend.

3. Setting domestic raw material as the selection axis

Bitter melon is grown in various places, including Okinawa, Kyushu, and the warm regions of Honshu. At Agriture we use domestic bitter melon as the raw material, accepting it while checking guidelines for flesh thickness and moisture content. We record the raw-material lots and use them to reproduce flavor and color tone in mass production. We also select taking into account differences by variety lineage, such as the Okinawan long-reishi type.

Product catalog showing the items we handle

Flexible support from small lots to large lots

乾燥野菜
  • Sold in small lots from 100g
  • Handling heirloom vegetables from across Japan
  • Dried fruits and herbs also supported

Features of commercial bitter melon powder

Micro-pulverizing lets it expand into the use area of "uniform blending into beverages and powders" that slices or dice can't reach. We organize the strengths unique to bitter melon powder from six perspectives.

Concentrates a bitter-melon-like mild bitterness

Concentrates bitter melon's grassy aroma and mild bitterness in the powder. A small blend adds bitter-melon-like character to bitter melon tea, health beverages, dressed-dish bases, and the like. Even in seasons without fresh bitter melon, it's a material that lets you build in the flavor stably as a powder.

Dispersibility into beverages and powders

Being micro-fine, it's easy to disperse into hot water, cold water, and powder bases, suited to blending into bitter melon tea, blend teas, and aojiru-type beverages. It can also deploy into drink types dissolved in hot water and into stick-powder design.

An appearance that leverages the green

Bitter melon's green shifts with drying and grinding to a subdued green to slightly brown-tinged. In beverages and powders that appeal to health teas, aojiru types, and Japanese ingredients, that green-family color tone blends into the material's image. How the color comes through changes with how the raw material is used.

A seasoning material with a summer image

Bitter melon, which carries an image of Okinawa and summer vegetables, suits materials for powdered seasonings such as goya-champuru-style seasoning, furikake, and dressed-dish bases. We handle blend design with salt-, bonito-, and sesame-based ingredients.

Use together with the ingredient-shape version

For uses that want to keep texture and appearance, useDried goya(slices or dice), and for uses that want to spread flavor evenly, use powder. You can achieve both an ingredient feel and a base flavor in the same recipe.

Blending with other vegetable powders

By pre-blending with cucurbit- and health-tea-family vegetable powders such as cucumber, winter melon, moringa, and turmeric, you can design blend teas, health beverages, and Japanese-ingredient powder bases from a single raw-material supplier.

Product specifications (commercial)

The basic specifications at the prototype stage are as follows. Procurement lots, delivery dates, and packaging forms for mass production and OEM are settled through individual consultation.

ItemDetails
Product nameBitter melon powder
Raw materialBitter melon (domestically grown)
ShapeMicro-powder (flesh dried and ground)
AppearanceGreen to slightly brown-tinged micro-powder
AromaBitter melon's distinctive grassy aroma and mild bitterness
Net contentIndividual quote according to use and lot
Best-before dateAbout 6 months from the shipping date
Storage methodAvoid high temperature, high humidity, and direct sunlight; after opening, seal and store in a cool, dark place
Minimum prototype lot100g〜
Main production lotOn consultation

Customization support

We design shape, grain size, blend, and packaging form in consultation to match the use.

ItemAvailableDetails
Particle-size adjustmentA grain size to match the useConsultable from a micro-powder for beverages to a slightly coarse grind for seasonings
Part specificationSpecify from flesh / whole including peelFlesh-centered tends mild; including the peel tends to bring out stronger flavor and color
Blend designPre-blending of vegetable / tea-leaf powdersSpecified-ratio blending with cucumber, winter melon, moringa, turmeric, etc.
Packaging formFrom commercial bulk to small bagsLight-blocking aluminum bags, sticks and small bags, individual wrapping, and the like
OEM productizationEnd-to-end handling through the final productBitter melon tea, blend teas, seasonings, furikake, etc.

For those who want to make use of texture and shape (ingredient-shape version)

For goya-champuru-style ingredients, soup ingredients, toppings, and other uses that keep bitter melon's texture and appearance, dried bitter melon (slices or dice) is suitable. The texture and presence of bitter melon that powder can't provide come alive in the recipe.

→ See details of dried bitter melon

Commitments to variety, grower, and growing region

Bitter melon is a summer vegetable of the Momordica genus in the Cucurbitaceae family, also called nigauri or tsurureishi. Domestically it's grown centered on Okinawa and also in Kyushu and the warm regions of Honshu, with flesh thickness and how the bitterness comes out differing by lineage, such as the naga-reishi and abashi-reishi types. As a powder raw material, we select by flesh thickness and moisture content.

BRAND

At Agriture, using domestic bitter melon as the raw material, we manage quality consistently from drying through grinding and packaging. Our basic policy is a finish that keeps a bitter-melon-like grassy aroma and mild bitterness.

PRODUCER

Partnering with contract growing regions, we accept raw material after sharing guidelines for variety, harvest timing, and moisture content. We record the raw-material lots and use them to reproduce flavor and color tone in mass production.

REGION

The main growing areas are Okinawa, Kyushu, and the warm regions of Honshu. We source raw material intensively when the summer-vegetable peak season overlaps. Through a growing-region relay, we can also handle stable raw-material supply.

CULTIVATION

We source raw material from both open-field and greenhouse cultivation to prepare for seasonal variation. We accept based on flesh thickness and moisture content as guidelines, and ensure reproducibility in the powdering process.

Powdering technology and quality control

Moisture management and flavor retention

Bitter melon has high moisture content, a material whose flavor changes easily during the drying process. We set the temperature range and operate under conditions that remove moisture while keeping bitter melon's distinctive grassy aroma. We also control the frictional heat during grinding, aiming for a finish where the powder doesn't get too hot.

Managing grain size and packaging

We adjust the grinding conditions to match the use—a highly dispersible micro-powder for beverage uses, a slightly coarse grain size for seasoning uses. For commercial bulk we use light-blocking aluminum bags, and for small bags and sticks moisture-proof, light-blocking film, proposing specifications that assume storage at the store or warehouse. Because bitter melon powder absorbs moisture easily, please consult us on packaging and storage conditions to match the use.

TIPS: Guidelines for blends that make the most of bitter melon powder

For bitter melon tea or blend teas, allocating 10–20% to bitter melon in combination with other tea leaves and vegetable powders is a range where the flavor balances easily. For seasonings and furikake, an allocation of 5–10% in combination with salt-, bonito-, and sesame-based ingredients is usable, adding bitter-melon-like character. For confectionery, we recommend trying a small amount at a time in dough or cream and adjusting while watching how the grassiness comes through.

Use cases

Because powder disperses evenly into liquids and powders, it extends to uses that slices and dice cannot reach. We organize the uses often consulted about.

Bitter melon tea / blend teas

Because it's a micro-powder easy to disperse in hot or cold water, it suits the base of bitter melon tea and blend teas containing bitter melon. It can deploy into fine-grain design for tea bags and into blends for drink types dissolved in hot water.

Health beverages / aojiru blends

It can be used as a material that adds a summer-vegetable-like bitter melon flavor to powdered beverages of the aojiru and smoothie families. It also handles blending with green materials such as kale and moringa.

Seasonings / furikake

It suits materials for powdered seasonings such as goya-champuru-style seasoning, furikake, and dressed-dish bases. It handles specified-ratio blending with salt-, bonito-, and sesame-based ingredients.

Flavoring confectionery and bread

A use that blends a small amount into the dough of cookies, pound cake, steamed bread, and the like to add bitter melon's grassy flavor and a green-family color tone. We receive inquiries as a material for confectionery themed on Okinawa and summer.

Noodle / kneading-in material

A use kneaded into the dough of udon, pasta, kamaboko-type products, and the like to add bitter melon's color and flavor. It handles material design for local noodles and seasonal products that leverage a green-family color tone.

A raw material for OEM / PB products

You can consult us consistently through to finished products such as bitter melon tea, seasonings, and health beverages, including specified-ratio blending and bagging. It can also be used as a raw material for PB development centered on bitter melon, such as Okinawan souvenirs and season-limited products.

Commercial usage and rehydration

Basics of use

  • For beverage uses, add it a little at a time to hot or cold water to disperse it
  • For powdered seasonings, dry-mix it first with a base such as salt or bonito before use
  • For confectionery, add a small amount at a time to dough or cream and adjust while watching how the flavor comes through

Blending guide

  • Bitter melon tea / blend teas: a guide of 10–20% bitter melon in combination
  • Seasonings / furikake: a guide of 5–10% in combination
  • Confectionery / kneading-in: try a small amount at a time in dough and adjust

How to store

  • Before opening, store in a cool, dark place at room temperature, away from high heat, humidity, and direct sunlight
  • After opening, transfer it to a sealed container and use it up promptly
  • Take the best-before date as a guide of roughly six months from the shipping date

Related raw materials / services

Product catalog showing the items we handle

Flexible support from small lots to large lots

乾燥野菜
  • Sold in small lots from 100g
  • Handling heirloom vegetables from across Japan
  • Dried fruits and herbs also supported

Frequently asked questions

How do you use dried bitter melon (with shape) versus the powder?

Dried bitter melon is a type that keeps a slice or dice shape, suited to uses that want to leverage texture and appearance, such as goya-champuru-style ingredients and soup ingredients. The powder, being micro-fine, suits uses that want to spread bitter melon's flavor evenly, such as bitter melon tea, health beverages, seasonings, and confectionery. Using them together achieves both an ingredient feel and a base flavor.

How much bitterness is there?

Bitter melon's bitterness comes from a component called momordicin. A bitter-melon-like mild bitterness remains in the powder too. Because the strength of the bitterness changes with the raw material's variety lineage and how it's used—flesh-centered or including the peel—we decide the raw-material design to match the use in consultation. By adjusting the blend amount, you can control how the bitterness comes through in the final product on the recipe side.

What happens to the color?

Bitter melon's green shifts in the drying and grinding process to a subdued green to slightly brown-tinged. In beverages and powders that appeal to health teas, aojiru types, and Japanese ingredients, that green-family color tone blends into the material's image. How the color comes through also changes depending on whether it's flesh-centered or including the peel. For uses that want to strongly lead with green color, please consult us including how the raw material is used.

Can it be pre-blended with other vegetable powders?

Yes. We handle pre-blending with Cucurbitaceae vegetable powders such as cucumber and winter melon, and with health-tea and aojiru-family materials such as moringa and kale. Share the blend you're aiming for in the final product—bitter melon tea, blend teas, seasonings, and so on—and we'll mix and bag it at that ratio.

What is the minimum prototype lot?

We accept prototypes from 100 g. For mass production and OEM, we propose quotes and lead times individually. You can consult us consistently through to finished products such as bitter melon tea, seasonings, and health beverages.

Please tell me the best-before date and how to store it.

The best-before date is roughly six months from the shipping date. Because bitter melon powder absorbs moisture easily, before opening store it in a cool, dark place at room temperature, away from high heat, humidity, and direct sunlight. After opening, transfer it to a sealed container and use it up promptly.

Recommended reading

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    Author of this article

    小島 怜's avatar Rei Kojima Agriture CEO

    CEO of Agriture Inc. Runs a contract processing and OEM business centered on dried vegetables and dried fruit. In partnership with farmers within Kyoto Prefecture, he pursues “sustainable food distribution” through the use of non-standard vegetables and support for sixth-industrialization. Drawing on extensive hands-on experience at manufacturing sites, he provides support that walks alongside every business considering OEM—from product planning and prototyping to small-lot handling, packaging design, and sales-channel development.

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