Commercial and OEM Shiso Powder (Ooba and Red Shiso): Manufacturing Methods, How to Choose, and Small-Lot Production Explained

Shiso powder, made by drying shiso (green shiso / red shiso) into powder, is a commercial ingredient that adds aroma and color without moisture. It's used widely for flavoring processed foods—furikake and ochazuke bases, Japanese-style snacks, and bread and noodle dough.

This article explains, from a dried-vegetable maker's perspective, the production method of shiso powder and the tricks for retaining aroma and color, checkpoints when choosing a commercial product, uses in food processing, the difference between domestic and imported products, and how to proceed with OEM and small-lot production.

What is shiso powder (green shiso / red shiso)

Shiso powder is a food ingredient made by drying green shiso (oba) or red shiso leaves and processing them into powder. Unlike fresh shiso or dried leaves, it's easy to measure and stable in quality, making it easy to handle as a processed-food ingredient. Fresh shiso doesn't keep long and tends to involve chopping labor and waste, whereas powder stores long at room temperature and blends in directly with no rehydration needed.

The difference between oba powder (green shiso) and red shiso powder

Even the same shiso differs in both color and flavor between green and red shiso. Choose to match the product concept.

• Oba powder (green shiso): green with a refreshing aroma. Used for a herb-like flavor, coloring, and kneading into bread and noodle dough
• Red shiso powder: red-purple. Used for rice dishes, furikake, and coloring. Because it contains no plum vinegar, the acidity is mild
• The ease of handling of blending directly into products with no rehydration needed

Using dried leaves and chips differently

Dried shiso comes as whole leaves, cut chips, and powder. Leaves or chips suit dashi packs and decoction uses, while powder suits kneading into dough and surface seasoning. Choosing the form to match how the product is made keeps processing smooth.

The difference in the names oba and green shiso isexplained in "the difference between oba and green shiso."Home uses and recommended recipes are inHow to use shiso powderas well.

The production method of shiso powder | drying and grinding tricks to retain aroma and color

Because shiso's aroma and green color are heat-sensitive, the finished quality varies greatly by production method. Making a fragrant, vividly colored powder requires care in the drying and grinding processes.

Protect aroma and color with low-temperature drying

Drying at high temperature loses the aroma components (shiso essential oil) to volatilization, and the green pigment (chlorophyll) also alters and fades easily. Drying slowly at low temperature retains shiso's inherent aroma and color. Because aroma and color drop over time after harvest, getting into the drying process as soon as possible after cutting also affects quality.

Grinding to a uniform particle size

When grinding the dried leaves, match the particle size (fineness of powder) to the use. Uniform particle size eliminates unevenness when mixed into products and stabilizes the appearance.

• Fine powder: suited to kneading into dough, dressings, and blending into seasonings
• Medium to coarse powder: suited to furikake, toppings, and coloring

Checkpoints when choosing commercial shiso powder

To adopt it commercially, confirm 4 points: raw material, particle size, additives, and lot. Choosing a spec suited to the product's use stabilizes the quality after processing.

For food manufacturers in particular, raw-material safety (a testing system for pesticide residues, microbial standards, and the like) and supply stability are important. Choosing a raw material with clear origin and production-process information also makes it easier to handle your own product's labeling and quality control.

What to confirm for spec sheets and labeling support

In business-to-business transactions, you receive raw-material information via the spec sheet and reflect it in your own product's labeling. Confirming the following before ordering makes commercialization smooth.

• Whether a spec sheet (components, production process, microbial standards, etc.) is issued
• Best-before date and storage conditions (room temperature, cool and dark, etc.)
• Allergen information. Shiso itself doesn't fall under the specified raw materials, etc. (8 mandatory / 20 recommended items), but confirm whether wheat, milk, and the like are handled on the same production line
• Support for raw-material-origin labeling (whether the origin is clear)

Confirm aroma, color, and dissolution with a sample

Rather than judging by the spec-sheet figures alone, actually requesting a sample to check is reliable. The strength of the aroma, the green or red-purple color development, and the dispersibility when mixed into dishes or dough are parts you only understand from a sample. Whether you can buy a small amount and whether there's prototype-sample support are also factors in choosing a supplier.

Uses of shiso powder | how it's used in food processing

Because shiso powder can be used for any purpose—aroma, color, or flavoring—it's adopted in a wide range of processed foods. We organize the representative uses.

For furikake contract manufacturing overall,Furikake OEM; for vegetable-powder filling and contract processing,Contract manufacturing of vegetable powder fillingwe explain in detail.

Guidelines for blend amount and timing of use

Because shiso powder has a strong aroma, the basic approach is to start small and adjust the blend amount. Adding too much produces bitterness or harshness, or makes the green too intense. Add a small amount relative to the whole product, and decide the blend amount while checking the aroma and color balance in a prototype.

Because oba's green fades easily with heat, for products where you want to retain a vivid color, a design that adds it after the heating process fits. When you want a strong aroma too, blending it in at the final heating stage or as a finish holds down loss.

The difference between domestic and imported shiso

Shiso powder comes in domestic and imported raw materials, with differences in aroma strength and ease of quality control. It's important to choose to match the product concept.

If you're going to promote "domestic ingredients" as product value, powder made with domestic shiso fits. When the raw material's origin is clear, traceability and raw-material-origin labeling are easier to handle, tying into product-concept appeal.

Choose by balancing cost and quality

For cost-focused mass-market products, imported; for products emphasizing brand value or domestic appeal, domestic—choosing this way meshes product concept with raw material. Because switching raw materials changes the flavor and thus the product's impression, securing a supply source that can deliver stably is also essential.

Agriture's shiso powder (green shiso / red shiso)

Agriture is a food maker whose core is the dry processing of domestic vegetables. Through making use of off-spec vegetables and dry processing, we've worked on reducing food loss and supplying raw materials.

For shiso powder, we handle products using domestic raw materialOoba PowderandRed shiso powder. We retain aroma and color with low-temperature drying and can supply at particle sizes matched to the use. From prototype to mass production, we respond to food manufacturers' product development.

• Domestic raw material with clear origin, easy to handle for raw-material labeling and quality control
• Particle size and spec can be adjusted to the use
• Can be sourced together with vegetable powders and dried vegetables other than shiso

A product catalog that shows around 100 items we handle

Agriture, flexibly handling everything from small lots to large lots

• Available from small lots of 100 g
• We handle heirloom vegetables from across Japan
• Dried fruit and herbs also supported

Download the materials here

How to make shiso powder via OEM or small lots

If you want to make an original shiso product, you can start from small lots with OEM (contract manufacturing). Organizing the use and spec before ordering makes quoting and prototyping smooth.

The OEM ordering flow

1. Organize the use (furikake, bread-making, seasoning, etc.) and desired spec
2. Consult on the raw-material type (green shiso / red shiso), particle size, and lot
3. Confirm aroma, color, and usability with a prototype
4. Finalize the spec, then proceed to mass production and delivery

The merits of starting with small lots and prototypes

Rather than ordering a large volume at once, starting with a prototype lot of a few kg and advancing to mass production holds down risk. You can nail down the spec while checking the aroma strength, particle size, and blend amount in the actual product. OEM for dried vegetables and vegetable powders in general can be consulted alongside ingredients other than shiso.

We have materials available to help you understand dried processing OEM

Agriture OEM, flexibly handling everything from small lots to large lots

• OEM supported from 100 g of existing raw material
• Drying of brought-in raw materials also possible
• Support from processing to filling in one place

Download the materials here

Summary: choose shiso powder by particle size and raw material

Shiso powder is a commercial ingredient that adds oba's refreshing aroma and red shiso's color stably, without moisture. Uses are wide—from furikake to bread-making and seasonings—and when choosing, the key is to confirm 4 points: raw material, particle size, additives, and lot.

If you're promoting domestic and traceability, domestic shiso fits. Original products can be started from prototypes with OEM and small lots, so organize the use and spec and consult us.

Frequently asked questions

Recommended reading

• What is furikake OEM? A dried-vegetable maker explains small-lot, vegetable-furikake manufacturing
• A contract-manufacturing guide to vegetable-powder filling
• Oba powder | domestic, commercial green-shiso powder
• Red shiso powder | domestic, commercial red-shiso powder

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