Why the Nutrition Label Determines Quality in Wagashi Production
The nutrition label of a wagashi raw material is the key to protecting a product's safety and quality.
As mandatory allergy labeling advances, accurately grasping detailed raw-material information has become an unavoidable issue for producers. The nutrition label condenses not only nutritional values but also allergen information and the presence or absence of additives—all the information needed for product making.
However, correctly reading a nutrition label filled with technical terms requires a certain level of knowledge. A wrong interpretation can lead to a decline in product quality or an allergy incident. In this article, we introduce practical know-how for accurately reading the nutrition labels of wagashi raw materials and putting them to use in quality control.
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How to Correctly Read the Nutrition Facts
Nutrition facts are stated as the content per 100g of product or per single piece.
Understanding the Five Basic Items
The five basic items required under the Food Labeling Act are energy (calories), protein, fat, carbohydrate, and salt equivalent. In the case of wagashi, the proportion of carbohydrate is high, and its breakdown into sugars and dietary fiber is sometimes displayed. For example, a small yokan of 50g per bar has standard values such as 148kcal of energy, 2g of protein, 0g of fat, 35g of carbohydrate, and 0g of salt equivalent.
Key Points for Checking the Unit of Measure
When looking at a nutrition label, the most important thing to watch is the unit of measure. "Per 100g" and "per piece" mean very different things numerically. When comparing multiple raw materials, you must always convert to the same unit before judging. You should also watch for differences in moisture content, since a dried product and a semi-dried product have different effective nutritional values even at the same weight.
How to Use It in Product Design
Nutritional values feed directly into a product's recipe design. In adjusting the sugar level of an or determining the amount of fat and oil used, accurately grasping the raw materials' values makes it possible to achieve the target nutritional balance. Especially with growing health consciousness, checking the nutrition label at the raw-material selection stage has become important in developing wagashi with added value such as low sugar or reduced salt.
Checking and Managing Allergen Labeling
Allergen management is one of the most critical issues in wagashi production.
The 8 Specified Raw Materials and the 20 Recommended Items
Under the Food Labeling Act, the 8 items of egg, milk, wheat, shrimp, crab, peanut, buckwheat, and walnut are specified raw materials with a labeling obligation. In addition, 20 items such as soybeans, yam, sesame, and gelatin are subject to recommended labeling. In wagashi, egg, milk, wheat, soybeans, and yam are especially used frequently, so checking for these is essential.
The Importance of Cross-Contamination Information
Even if not used as a raw material, if the production line handles products containing other allergens, there is a possibility of trace contamination. Nutrition labels sometimes carry a note such as "produced in a facility that also handles foods containing ○○," and overlooking this information can lead to a serious incident. Management is needed from both sides: confirming with the raw-material maker and taking cross-contamination measures in one's own production process.
The Practical Workflow of Allergen Management
In actual management, it is important to establish a series of steps: checking the nutrition label at raw-material intake, transcribing it into production records, and reflecting it on the product label. Especially when combining multiple raw materials, you integrate the allergen information of all raw materials to create the final product's labeling. Do not forget regular checks to update raw-material specifications either. Because raw-material makers sometimes change their formulations, it is important to establish a system for obtaining the latest information.
How to Read Raw Material Labeling
Raw materials are listed in order of the amount used, from most to least.
Reading Blend Ratios from the Order of Listing
Once you understand the principle that the raw material listed first is used in the greatest amount, a product's characteristics come into view. For example, if it reads "sugar, nama-an, wheat flour," you can tell it is a sweet, sugar-dominant formulation. In the case of compound raw materials, further details are listed in parentheses, showing the breakdown in a form such as "tsubu-an (sugar, adzuki beans, reduced starch syrup, agar)."
Distinguishing Additives from Processing Aids
In raw material labeling, there is a rule that food additives are listed after the "/" symbol. Leavening agents, emulsifiers, pH adjusters, colorants, and the like fall under this, and they are used to adjust a product's texture, shelf life, and appearance. On the other hand, substances used as processing aids that do not remain in the final product are not subject to labeling. Wagashi tends to use relatively few additives, but preservatives and antioxidants are sometimes used in products designed to keep longer.
Responding to Raw Material Country-of-Origin Labeling
Since 2022, country-of-origin labeling for the raw materials of processed foods has become fully mandatory. For the raw material used in the greatest amount, its country of origin must be labeled. In the case of wagashi, origin information for major raw materials such as adzuki beans and chestnuts becomes important. From notations such as "domestic" or "manufactured in China," you can grasp where raw materials are sourced and put that to use in quality control and cost management.
Practical Use in Quality Control
The information on a nutrition label feeds directly into day-to-day quality control.
Lot Management and Variation in Values
Even with the same raw material, values can vary by production lot. Especially with natural raw materials, the sugar level and moisture content change depending on the harvest season and origin. It is important to confirm the actual measured values through regular spot inspections and check that there is no large discrepancy from the values on the nutrition label. When variation is large, fine-tuning the formulation or reviewing production conditions becomes necessary.
The Basis Data for Setting Best-Before Dates
The moisture value and fat content on a nutrition label are important factors in setting the best-before date. The higher a product's water activity, the higher the risk of microbial growth, and products high in fat are more prone to quality deterioration from oxidation. When conducting storage tests, you can set the test conditions based on the nutrition label data and determine a best-before date grounded in scientific evidence.
The Foundation for Ensuring Traceability
In the unlikely event of a product recall or quality trouble, linking the raw material's nutrition label with production records makes it possible to quickly identify the cause of the problem. By keeping a copy of the nutrition label for each raw material and recording the lot number used and production date, traceability is ensured. This is the basis of food safety management and an indispensable effort for protecting consumer trust.
Summary: Make the Nutrition Label an Ally in Quality Control
The nutrition label of a wagashi raw material is not merely a string of numbers.
Accurately reading nutritional values, thoroughly checking allergen information, understanding raw material labeling, and putting them to practical use in quality control. All of these form the foundation of safe, high-quality wagashi making. By developing the ability to correctly read a nutrition label, you broaden the scope of product development and can prevent trouble before it occurs.
In your daily work, make a habit of engaging with nutrition labels and confirming any questions with the raw-material maker. While keeping up with the latest Food Labeling Act, let us achieve wagashi making that consumers can trust.
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Please feel free to consult us about commercial procurement and sample requests
Minoyo is a specialty store for Kyoto confectionery raw materials based in Kyoto. For the raw materials covered in this article, we offer proposals close to the realities of wagashi production, including commercial procurement, trial samples, and consultation on lots and specifications.
For Minoyo's business and strengths, please see Our Business & Why We Are Chosen . For the actual flow of doing business, see Ordering Process & How to Order; for questions, we have compiled them at Frequently Asked Questions . For individual consultations, please use Contact or material download to get in touch.