
Judgment axis | detail |
| Item Identity | Yams are a group of tuberous and starchy crops whose tubers are edible and processed from the genus Dioscorea of the Dioscoreaceae family. |
| Basic registration range | Manages raw yam, washed and cut yam, frozen yam, dried yam, yam powder, flakes, and paste, and cooking and HMR ingredients. |
| Core separation | Scientific name, country of origin, variety group, edible parts, and raw materials, pre-processed products, frozen products, dried products, powders, and pastes are separated into Product and Lot units. |
| Separation of similar items | Taro is managed as a rhizome in the family Araceae, cassava as a tuber in the family Euphorbia, and domestic yam as a separate detailed entity centered on Dioscorea polystachya. |
| Purchase criteria | Scientific name, country of origin, specifications, appearance, cross-section, viscosity, cooking time, moisture, microorganisms, residues, packaging, and delivery time. |
| Industry Opportunities | These include imported raw materials and frozen products, pre-processed ingredients for the food service and catering industries, demand for African, Caribbean, and Southeast Asian foods, powder and paste materials, and HMR and private label products. |
| Operational direction | It connects origin – import/quarantine – sorting – pretreatment – processing – quality – RFQ – delivery/repurchase. |
division | Registration details |
| Korean name | Yam |
| English name | Yam |
| plant groups | Dioscoreaceae, Dioscorea spp. |
| Representative management scientific name | Dioscorea alata L., Dioscorea rotundata Poir., Dioscorea cayenensis Lam., Dioscorea bulbifera L., etc. |
| Domestic mixed use under review | Dioscorea polystachya Turcz. |
| Edible parts | underground tuber |
| Areas/Conditions of Caution | Since some Dioscorea species require verification of conditions such as pre-treatment and heating for consumption, raw materials with unconfirmed scientific names are not definitively registered as food products. |
| Harvesting stage | Harvesting after tuber enlargement and maturation / Washing and sorting / Storage and import receiving / Pre-processing and processing receiving |
| Product form | Fresh yam, washed yam, sliced yam, frozen yam, dried yam, flakes, powder, paste, HMR |
| Processing stage | Harvesting, washing, sorting, storage, peeling, cutting, heating, cooling, freezing, drying, milling, grinding, packaging |
| Basic use | Home-cooked meals, dining out, and school meals; soups, porridge, steamed dishes, grilled dishes, and fried dishes; regional and ethnic foods; HMR; powdered and paste food ingredients |
| Separation target | Adjacent root and starch crops such as taro, cassava, potato, sweet potato, domestic yam, konjac, and maranta |
The scientific name is registered based on the Kew Plants of the World Online verification system. The species is not determined solely by the trade name 'Yam'; instead, the country of origin, customs documents, supplier's scientific name notation, photos, and sample review are linked together.
Product Master | Key Management Standards |
| Raw yam | Scientific name, country of origin, harvest year, specifications, shape, outer skin, decay |
| Washed yam | Raw Material Lot · Washing Date · Packaging · Refrigeration Conditions · Release Date |
| Peeled and cut yam | Peeling time, cutting specifications, browning, stickiness, quality before and after cooking |
| Frozen yams | Pretreatment, heating status, freezing conditions, shape after thawing, texture |
| Dried yam flakes | Raw Material Lot · Drying Method · Moisture · Color · Foreign Matter · Storage Properties |
| Yam powder | Heat treatment, milling, particle size, moisture, viscosity, microorganisms |
| Yam paste | Heating, grinding, viscosity, color, refrigeration, and freezing stability |
| HMR·PB | Yam content · Cooking method · Packaging · Best before date · Repurchase rating |
Classification criteria | Subdivision type | Management principles |
| plant species | Dioscorea alata, D. rotundata, D. cayenensis, etc. | Separating species and variety groups from trade names |
| Edible parts | underground tubers | Separation of taro rhizomes and bulblets from cassava tubers |
| origin | Domestic · Asia · Africa · Caribbean · Others | Separation of supply, quarantine, and quality history by country of origin |
| Harvest purpose | Raw ingredients for raw consumption / For pre-processing/freezing / For drying/powdering | Separation of specifications and processing conditions by purpose |
| Raw material status | Raw material / Washing / Peeling/Cutting / Heating/Freezing / Drying | Connecting Raw Material Lot and Process Lot |
| Product form | Fresh / Frozen / Dried / Flakes / Powder / Paste / HMR | Separation of quality, labeling, and distribution standards by product |
| Final use | Home-style / Dining Out / School Meals / HMR / Private Brand / Food Ingredients | Separation of Cookability, Packaging, MOQ, and Delivery Time |
| Transaction type | Import/Customs Clearance / Source Procurement / Bulk for Processing / OEM/PB / Buyer RFQ | Quantity, unit price, and contract are processed as Verified/NDA. |
step | Essential Dataset | Management purpose |
| Cultivation and Procurement | Scientific name, variety group, country of origin, place of production, cultivation method, production purpose | Verification of raw material identity and procurement suitability |
| harvest | Harvest date, harvest year, tuber condition, appearance, damage | Raw Material Lot Generation and Sorting |
| Import/Receipt | Country of shipment · Customs clearance date · Quarantine · Date of arrival · Packaging condition | Linking Import Lot and Domestic Distribution History |
| Selection | Weight, length, diameter, shape, outer skin, decay, foreign matter | Grade and release judgment by usage |
| save | Temperature, humidity, storage period, weight loss, spoilage | Determining shipment and processing priority |
| Preprocessing | Cleaning, peeling, cutting, heating, and cooling history | Hygiene, Cookability, and Process Tracking |
| Freezing and processing | Freezing, drying, milling, and grinding conditions | Product-specific stability and yield management |
| Packaging and shipping | Packaging Date · Storage Conditions · Use-by Date · Release Lot | Tracking recalls, claims, and repurchases |
Cultivated area and production volume by country are entered by verifying the country, base year, and unit in FAOSTAT Crops and Livestock Products . Korean production and distribution statistics are reflected after verifying the survey subjects and product classifications from the KOSIS National Statistical Portal and official raw data. Unverified figures are not arbitrarily entered in v1.0.
Quality items | Raw yam | Pre-processed and frozen products | Dry, powder, paste | Public rating |
| Scientific name, variety group, country of origin | core | core | core | Verified |
| Harvest, Customs Clearance, and Arrival Date | core | core | importance | Verified |
| Specifications, weight, shape, and outer shell | core | importance | importance | Verified/NDA |
| Peeling, cutting, heating, and freezing history | corresponding | core | core | NDA |
| Color, viscosity, and texture after cooking | importance | core | core | Verified/NDA |
| Moisture, particle size, viscosity | importance | importance | core | Verified/NDA |
| Residual Substance, Microorganism, and Foreign Matter Test Report | core | core | core | NDA |
| Packaging, storage, and distribution stability | core | core | core | Verified/NDA |
Lot Master Required Field
Lot ID · Item Name · Basis for Scientific Name Verification · Variety Group · Country of Origin/Origin · Edible Part · Harvest Year/Harvest Date · Import/Customs Clearance Date · Product Form · Final Use · Dimensions/Weight/Shape · Skin/Damage/Spoilage · Storage/Receipt History · Washing/Peeling/Cutting/Heating/Freezing History · Moisture/Color/Viscosity/Texture · Residual Substances/Microorganisms/Foreign Matter Test Report · Packaging Date · Best Before Date · Shipment/Return/Claim
Customers | Purchase criteria | Cooperation opportunities |
| Import and wholesale distributors | Scientific name, country of origin, customs clearance, specifications, shelf life | Raw Material and Frozen Goods Supply Chain Registration |
| ethnic food and restaurant businesses | Variety, Cooking Time, Texture, Stickiness, Stable Delivery Time | RFQ for African, Caribbean, and Asian Ingredients |
| School meal and food ingredient distributors | Peeling · Cutting Specifications · Hygiene · Freezing · Test Report | Pre-processed · Frozen Yam RFQ |
| HMR manufacturers | Cutting specifications, shape after heating, refrigeration, and freezing stability | Ingredients for porridge, soup, steamed dishes, and side dishes |
| food ingredient companies | Powder, flake, paste moisture, particle size, viscosity | Confectionery, bakery, porridge, and sauce ingredients |
| PB · Online Distribution | Small packaging · Cooking instructions · Country of origin labeling · Quality | Freeze, dried, and powder private brand products |
| Research and development institutions | Ingredients, Processability, Safety, and Commercialization by Category | Testing, Analysis, and Joint Development Cooperation |
The size of the domestic yam market, sales volume by channel, and import volume by specific species are not compiled until official statistics or verifiable business data are secured. Initially, a demand map is constructed by accumulating data on import, processing, RFQ, delivery, and repurchase.
step | Key variables | Operational judgment |
| Production/Origin | Scientific name, variety group, country of origin, harvest season, cultivation method | Confirmation of food ingredient identity |
| Import and Customs Clearance | HS Item · Customs Clearance Date · Quarantine · Packaging · Quantity | Separation of Raw, Frozen, and Powdered Products |
| Receiving and Storage | Date of arrival, temperature and humidity, damage, spoilage, weight loss | Determining shipment and processing priorities |
| Screening and Preprocessing | Specifications, peeling, cutting, and heating history | Verification of suitability for school meals, dining out, and HMR |
| Freezing and processing | Freezing, drying, milling, and grinding conditions | Product-specific yield and quality stability management |
| Quality and Safety | Scientific name basis · Residual substances · Microorganisms · Foreign matter · Test report | Buyer Submission and Claim Prevention |
| Buyer RFQ | Country of Origin · Type · Specifications · MOQ · Packaging · Delivery Time | Matching suitability other than price |
| Repurchase | Delivery · Cookability · Returns · Claims · Reorders | Supplier, Lot, and Processor Evaluation Update |
Raw import and export data are entered by verifying the HS product range, base year, quantity and value units, and product descriptions from the Korea Customs Service's Import and Export Trade Statistics . Fresh yams, frozen yams, dried products, powders, and prepared foods are not aggregated as their HS and food requirements may differ.
Products and processes | Key conditions | RFQ conversion |
| Raw yam | Scientific name, country of origin, specifications, outer skin, spoilage, shelf life | Import, Wholesale, and Food Service RFQ |
| Washed, Peeled, and Cut Yam | Cutting specifications · Browning · Stickiness · Hygiene · Storage | School Meals, Dining Out, and HMR RFQ |
| Frozen yams | Pretreatment, heating status, freezing conditions, and thawing texture | Food Ingredients & Convenience Food RFQ |
| Dried yam flakes | Drying method, moisture, color, foreign matter, resilience | RFQ for ethnic foods and food materials |
| Yam powder | Heat treatment, milling, particle size, moisture, viscosity, microorganisms | RFQ for Porridge, Confectionery, Sauces, and Ingredients |
| Yam paste | Heating, grinding, viscosity, color, and freezing stability | HMR·Dessert·Sauce RFQ |
| HMR·PB | Menu · Yam content · Texture after cooking · Packaging | OEM·PB·Online RFQ |
| Utilization of by-products | Potential for utilizing peels and non-edible parts | For uses other than food, a separate entity will be formed after verification of laws and safety. |
The suitability of yams for processing depends on the species and variety group, harvest and storage conditions, pretreatment and heating conditions, and the final cooking method. Suitability for a specific use is not determined until actual test results and reports for each lot are verified.
first of all | Execution item | Performance indicators |
| 1 | Scientific Name, Country of Origin, Product Type, and Lot ID are required values. | Required value input rate |
| 2 | Separation of Product Entities: Raw Yam, Pre-processed, Freezing, Drying, Powder, and Paste | Misclassification reduction rate |
| 3 | Linking Import/Receiving – Storage – Preprocessing – Quality – Outgoing History | Lot tracking rate |
| 4 | Datafication of specifications, viscosity, cookability, and test reports | Quality document connection rate |
| 5 | Connecting RFQs and repurchases with importers, processors, food service, catering, and private brand buyers | Matching rate · Repurchase rate |
Problem group | Problem Definition | Required data |
| Yam and Ma mixed | Identical trade names used on products of different Dioscorea species and countries of origin | Scientific name, country of origin, trade name, photo, and basis for customs clearance |
| Confusion between taro and cassava | Edible parts and processing requirements are mixed due to being similar starch crops | Plant classification · Edible parts · Product form · Processing history |
| Discontinuation of import lot | Origin, customs, quarantine, receiving, and shipping information are not linked | Shipment·Customs Clearance·Inbound·Outbound Lot |
| Preprocessing quality deviation | Peeling, cutting, browning, stickiness, and heating history are separated from delivery information | Process records, cooking tests, and test reports |
| Lack of safety verification | Risk of raw materials with unidentified species or processing conditions being distributed as food | Records of scientific name basis, processing, and safety review |
| Inconsistency in cooking ability of frozen products | The shape and texture differ from the customer's requirements after thawing and heating. | Freezing conditions, cooking tests, and buyer evaluations |
| Repurchase data disconnection | Returns, cooking complaints, and reorders are not fed back into supplier or lot evaluations | Delivery · Claims · Reorders · Evaluation |
RFQ Type | Public Registration | Verify/NDA |
| Procurement of raw yams | Scientific name · Country of origin · Specifications · Use · Packaging · Delivery date | Actual quantity, unit price, producer, harvest, customs clearance date |
| Import and distribution cooperation | Product Type · Country of Origin · Quarantine · Storage · Delivery Date | Importer · Shipment · Volume · Unit Price · Contract |
| Pre-processed yam for school meals | Peeling, cutting specifications, hygiene, refrigeration, and freezing conditions | Test Report · Quantity · Unit Price · Contract |
| Frozen yams | Specifications, Pretreatment, Refrigeration Method, Application | Samples, Thawing Tests, Unit Prices, and Reports |
| Dry, powder, paste | Moisture · Particle Size · Viscosity · Color · Blending Purpose · MOQ | Test Report · Prescription · Unit Price · Contract |
| HMR · Food Service OEM | Target Menu · Specifications · Packaging · Delivery Time | Cost, Sample, Process, Contract |
| National Food · Private Brand | Country of origin, product type, packaging, sales channel | MOQ · Unit Price · Trademark · Contract |
| Import-Processing-Buyer Cooperation | Required Specifications, Inspection, and Delivery Areas | Supplier · Processor · Volume · Contract |
① Need Products & Materials
Companies and institutions seeking necessary products, agricultural products, raw materials, and processed goods register purchasing demands. Registered requests are utilized to review cooperation with potential suppliers and producers based on the RFQ Intelligence Library.
Process:
RFQ Registration → Supplier/Product Review → Collaboration Connection → Future AI Matching
Register
② We are looking for production and manufacturing partners. (Need Suppliers & Manufacturers)
Register a request to find necessary production and supply partners, ranging from farms and producer organizations to processing companies, OEM, ODM, and private label manufacturers.
Process:
RFQ Registration → Review of Production & Manufacturing Capabilities → Collaboration Connection → Future AI Partner Matching
Register
③ We are looking for domestic and international buyers. (Need Buyers)
Farmers, producer organizations, and manufacturing companies are requesting cooperation with new buyers, such as domestic and international distributors, importers, brand companies, and food service and catering businesses.
Process:
RFQ Registration → Product & Supply Capability Review → Market & Buyer Connection → Future AI Buyer Matching
Register
Contact : mail@markethub.org
Version | Main contents | situation |
| v1.0 | Registration of Basic Structure for Raw Yam · Import · Pre-processing · Freezing · Drying · Processing · RFQ | complete |
| v1.1 | FAOSTAT · Verification of Customs Service raw data and domestic import and distribution structure | expected |
| v2.0 | Separation of specifications for fresh, frozen, dried, powder, and paste by species and country of origin | expected |
| v3.0 | Import–Processing–Food Service·Tourism·PB Buyer Verified Container Combination | expected |









