Classification
Product TypeIngredient
Product FormSolid refined resin (granules/flakes/powder)
Industry PositionFood additive ingredient (glazing/surface-finishing agent)
Market
Bleached shellac is an insect-derived polyester resin used primarily as a glazing/surface-finishing agent (INS 904). In Japan, shellac is permitted as an “existing food additive” of natural origin and is subject to Japan’s Specifications and Standards for Food Additives (JSFA). JSFA includes a monograph for shellac (including “White Shellac”), with purity specifications such as wax content, acid value, and limits for toxic elements. Commercial use in Japan is concentrated in niche applications like confectionery/chocolate and chewing gum glazing, as well as coatings for supplements/tablets, with imports subject to Food Sanitation Act import notification and quarantine-station checks. Since April 1, 2024, responsibilities for setting/evaluating food safety standards (including food additives) have been transferred to the Consumer Affairs Agency (CAA) from MHLW.
Market RoleImport-dependent food additive ingredient market with domestic distribution/formulation for glazing applications
Domestic RoleSpecialty glazing and coating agent used by food and supplement manufacturers; regulated under Japan’s positive-list food additive system
Specification
Physical Attributes- JSFA “White Shellac” is described as white to light yellow granules or small granular flakes
- JECFA describes bleached shellac as an off-white to tan amorphous granular resin; wax-free bleached shellac as light yellow amorphous granular resin
- Solubility reference (JECFA): insoluble in water; freely (though very slowly) soluble in ethanol; slightly soluble in acetone and ether
Compositional Metrics- Acid value: JSFA White Shellac 73–89; JSFA Purified Shellac 60–80; JECFA bleached shellac 60–89
- Wax limit: JSFA/JECFA wax-containing shellac not more than 5.5%; wax-free shellac not more than 0.2%
- Toxic elements: JSFA sets limits including lead (not more than 2 µg/g as Pb) and arsenic (not more than 1.5 µg/g as As); JECFA specifies lead not more than 2 mg/kg
Grades- JSFA monograph for Shellac distinguishes “White Shellac” and “Purified Shellac”
- JSFA/JECFA recognize wax-containing vs. wax-free shellac, with different wax-content limits
- JECFA definition of bleached shellac includes alkaline dissolution and hypochlorite bleaching; wax-free grade includes a filtration step to remove wax
Supply Chain
Value Chain- Import of refined shellac meeting JSFA specifications → domestic ingredient distribution and (where needed) dissolution/formulation for coating → application as external glaze/coating on confectionery/chewing gum/supplements → finished product distribution
Risks
Regulatory Compliance HighJapan’s food additive regime is positive-list based, and business imports of food additives require import notification and quarantine-station compliance checks; if shellac does not meet JSFA specifications or is treated as outside the permitted additive categories for the intended use, the shipment can be delayed or rejected.Confirm the additive’s permitted status (e.g., existing food additive listing) and intended-use fit; align product specs with the JSFA shellac monograph (including wax class) and submit complete, consistent import notification documentation; consult the responsible quarantine station before first import.
Food Safety MediumNon-compliance with toxic-element and purity specifications (e.g., lead/arsenic limits, wax content, rosin absence tests) can trigger nonconformance findings under official specifications for shellac.Require a lot-specific certificate of analysis demonstrating conformance to relevant JSFA/JECFA-style parameters (acid value, wax %, toxic elements, identity/purity tests) and ensure test methods are aligned with recognized compendial approaches.
Consumer Perception MediumShellac is insect-derived, which can create buyer pushback for products positioned as vegan/strict vegetarian or for channels with specific religious/dietary expectations, even when legally compliant.Pre-align claims and labeling strategy with customers; where needed, use third-party Halal/Kosher certifications accepted by the target channel and maintain clear origin statements in technical documentation.
Sustainability- Animal-origin (insect-derived) natural resin sourcing: upstream provenance and responsible harvesting transparency
- Chemical processing stewardship for bleached grades (e.g., oxidizing bleach steps and downstream impurity control)
Labor & Social- Supplier social compliance and worker safety due diligence in upstream lac harvesting and refining/bleaching operations (primarily outside Japan)
FAQ
Is shellac permitted for use as a food additive in Japan?Yes—shellac appears on Japan’s List of Existing Food Additives (natural-origin additives permitted under Japan’s food additive framework). Products still need to meet the applicable official specifications and standards, such as the JSFA shellac monograph, for distribution and use.
What is the key import compliance step to bring shellac in for business use in Japan?For business imports, importers must submit an import notification (“Notification Form for Importation of Foods, etc.”) under the Food Sanitation Act to the MHLW quarantine station, where the shipment undergoes document examination (and inspection when required) before a certificate of notification is issued.
Which specification checkpoints are commonly referenced for bleached shellac used as a glazing agent (INS 904)?Compendial references include identity/solubility characteristics and purity limits such as acid value ranges and maximum wax content (with tighter limits for wax-free grades), along with toxic-element limits (e.g., lead, and in JSFA also arsenic) and rosin-related purity checks.