Classification
Product TypeRaw Material
Product FormDried
Industry PositionPrimary Agricultural Product
Raw Material
Commodity GroupOilseed crop (Lamiaceae)
Scientific NamePerilla frutescens (L.) Britton
PerishabilityLow (as dried seed); higher oxidation sensitivity when processed into high-ALA oil
Growing Conditions- Annual crop cultivated across subtropical to temperate Asian regions, with strong cultivation presence in East Asia
- Grown in a range of Asian environments within its documented native distribution, with commercial plantings concentrated where culinary demand and processing capacity exist
Main VarietiesPerilla frutescens var. frutescens (oilseed type), Perilla frutescens var. crispa (shiso type; primarily leafy herb)
Consumption Forms- Whole seed for roasting and culinary use
- Ground seed/powder used in seasonings and sauces
- Perilla seed oil produced by mechanical pressing for culinary and specialty uses
- Press cake/by-product from oil extraction used as protein-rich feed ingredient or organic fertilizer (market-dependent)
Grading Factors- Foreign matter/cleanliness (stones, stems, dust)
- Moisture management to prevent quality loss during storage
- Seed integrity (broken/damaged seed proportion)
- Oil yield/oil content (buyer- or processor-defined specifications)
- Food safety compliance (pesticide residues and contaminants per destination requirements)
Planting to HarvestAnnual crop; seed is harvested within a single growing season.
Market
Perilla seed (Perilla frutescens) is a niche oilseed traded primarily for culinary use as whole/ground seed and for perilla seed oil, with market relevance concentrated in East Asia. Commercial cultivation is most strongly associated with South Korea, China, and Japan, with additional cultivation reported in parts of South and Southeast Asia. Product differentiation in trade is often tied to oil yield and fatty-acid profile (notably high alpha-linolenic acid in the oil), plus cleanliness and residue compliance for food use. Compared with major oilseeds, perilla’s smaller production footprint and more regional demand base can make availability and pricing sensitive to localized shocks in its core producing regions.
Major Producing Countries- 대한민국Widely cultivated oilseed crop and food plant; significant culinary use and seed-oil production.
- 중국Commercial cultivation reported; part of the core East Asian cultivation zone for perilla.
- 일본Cultivation and food use reported; perilla-related varieties are established in Japanese food culture.
- 인도Cultivation reported in Asian regions; included in the broader perilla cultivation/distribution footprint.
Specification
Major VarietiesPerilla frutescens var. frutescens (oilseed type; egoma/deulkkae), Perilla frutescens var. crispa (shiso type; primarily leaf-focused; limited relevance to seed trade)
Physical Attributes- Small oil-bearing seeds typically traded as dried, cleaned seed for food use and/or oil pressing
- Seed quality commonly assessed by cleanliness (foreign matter), seed integrity, and absence of off-odors
Compositional Metrics- Seeds commonly reported to contain ~35–45% oil (basis varies by study and genotype)
- Perilla seed oil is commonly reported to be very high in alpha-linolenic acid (omega-3), often reported in the ~54–64% range and in some reports >60% of total fatty acids
- Edible oil quality is commonly monitored using indices such as peroxide value and acid value (Codex reference quality factors for edible fats and oils)
Packaging- Dried seed typically shipped in food-grade bags/sacks or bulk packaging depending on buyer specifications
- Perilla seed oil (when traded) commonly packed in food-grade drums/IBCs for industrial/food processing, or retail bottles for consumer markets
ProcessingOil commonly produced via mechanical pressing/expelling; virgin/cold-pressed variants may be marketed where permitted by buyer requirementsFor bulk edible oil movements, storage/transport practices emphasize minimizing oxygen exposure and avoiding catalytic metals (e.g., copper alloys) to reduce oxidation risk
Supply Chain
Value Chain- Harvest -> drying -> threshing -> cleaning/sorting -> moisture-controlled storage -> export/import handling -> (a) roasting/grinding for food use or (b) oil pressing/filtration -> packaging -> distribution
Demand Drivers- Established culinary demand in East Asian cuisines for seeds and seed oil
- Functional-oil positioning driven by published evidence of high omega-3 (alpha-linolenic acid) content in perilla seed oil
Temperature- Dried seed: maintain low moisture and protect from heat to limit quality loss during storage and transit
- Bulk edible oil: oxidation risk increases with air contact and higher temperatures; handling guidance emphasizes reducing aeration and limiting unnecessary heating
Atmosphere Control- Bulk edible oil: inert gas blanketing may be used for higher-quality products or longer storage periods to reduce oxidation exposure
Risks
Supply Concentration HighCommercial perilla seed supply is most closely associated with a relatively limited set of core producing countries in East Asia (notably South Korea, China, and Japan). With fewer globally diversified alternative origins than major oilseeds, localized weather shocks, policy shifts, or logistics disruptions in these core regions can quickly tighten availability and raise price volatility for import-dependent buyers.Maintain multi-origin sourcing strategies (where feasible), use forward contracts for core origins, and hold contingency inventory for seed/oil to buffer short-term disruptions.
Quality Deterioration MediumPerilla seed oil’s very high alpha-linolenic acid content can increase susceptibility to oxidation and rancidity if exposed to oxygen, heat, or catalytic metals during storage and transport. Quality failures can trigger claims, rejections, or downgrades, especially in longer-distance shipments.Apply bulk-oil handling good practices: minimize aeration, control temperatures, avoid copper/alloy contact, and monitor peroxide/acid values against buyer specifications.
Regulatory Compliance MediumFood-use perilla seeds and oils must meet contaminant limits and pesticide residue requirements in destination markets; non-compliance can result in border rejections or recalls. Labeling claims (e.g., cold-pressed/virgin) may also face scrutiny depending on jurisdiction and standard definitions.Implement residue monitoring aligned with destination MRLs, validate supplier GAP programs, and document processing/label claims with batch-level traceability.
Market Transparency LowTrade statistics for perilla seed may be difficult to isolate because many reporting systems emphasize HS categories at the 2-, 4-, or 6-digit level that can aggregate multiple minor oilseeds. This can reduce price discovery and complicate benchmarking versus competitor origins.Use contract and supplier intelligence (origin-by-origin) alongside HS-category trade dashboards, and validate volumes via customs-line or buyer shipment records where available.
Sustainability- Oxidation-related quality loss and waste risk in perilla seed oil supply chains; bulk handling standards emphasize oxygen exposure control and exclusion of catalytic metals
- Agrochemical stewardship and compliance with maximum residue limits for pesticide residues in food-use seeds and oils
FAQ
Where is perilla seed most commonly cultivated for commercial use?Commercial cultivation and market relevance are most strongly associated with East Asia—especially the Republic of Korea, China, and Japan—with cultivation also reported in parts of South and Southeast Asia. Because the crop’s commercial footprint is narrower than major oilseeds, sourcing often centers on a small set of core origins.
Why is perilla seed oil often described as an omega-3-rich vegetable oil?Published studies report that perilla seed oil contains a very high share of alpha-linolenic acid (ALA), an omega-3 fatty acid—commonly reported in the mid-50% to mid-60% range of total fatty acids, with some reports above 60%. This composition is a key differentiator in culinary and functional-oil positioning.
What quality checks matter most in international trade for perilla seed and perilla seed oil?For dried seed, buyers typically focus on cleanliness (foreign matter), moisture control, and residue compliance. For oil, common quality controls include oxidation and freshness indicators (such as peroxide value), acidity (acid value), and compliance with contaminant and pesticide-residue requirements, with Codex standards often used as reference points for edible oil quality factors.