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HS Code |
705747 |
| Botanicalname | Nigella sativa |
| Commonname | Black Cumin Seed |
| Family | Ranunculaceae |
| Seedcolor | Black |
| Taste | Slightly bitter, peppery |
| Aroma | Earthy, nutty |
| Texture | Crunchy |
| Primaryuse | Culinary spice |
| Ediblepart | Seed |
| Shelflife | 1-2 years |
| Origin | Southwest Asia |
| Nutritionalcontent | Rich in thymoquinone, iron, calcium |
| Averageseedsize | 2-3 mm |
| Cultivationseason | Winter to early spring |
| Storagecondition | Cool, dry place |
As an accredited Black Cumin Seed factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sturdy white plastic jar with screw cap, labeled "Black Cumin Seed, 500g," featuring clear batch number, expiry, and handling instructions. |
| Shipping | Black Cumin Seed is typically shipped in sealed, food-grade containers or sacks to preserve freshness and prevent contamination. The packaging is labeled according to regulatory requirements, including product name and handling instructions. During shipping, the product is kept dry, away from direct sunlight, and stored at a controlled temperature to maintain quality. |
| Storage | Black cumin seed should be stored in an airtight container in a cool, dark, and dry place, away from direct sunlight, heat, and moisture. Proper storage helps to preserve its flavor, aroma, and therapeutic qualities. If possible, keep in tightly sealed glass jars, and for extended shelf life, refrigeration is recommended. Always avoid exposing seeds to air and light. |
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Purity 99%: Black Cumin Seed with Purity 99% is used in dietary supplement formulations, where it provides enhanced bioactive compound concentration for improved antioxidant activity. Particle Size <100 µm: Black Cumin Seed with Particle Size <100 µm is used in cosmetic emulsions, where it ensures uniform dispersion and increased skin absorption efficiency. Cold Pressed Grade: Black Cumin Seed of Cold Pressed Grade is used in functional food products, where it retains high volatile oil content for optimal therapeutic efficacy. Moisture Content <6%: Black Cumin Seed with Moisture Content <6% is used in spice blends, where it prevents microbial growth and extends shelf life stability. Volatile Oil Content ≥1.5%: Black Cumin Seed with Volatile Oil Content ≥1.5% is used in traditional medicine extracts, where it delivers significant antimicrobial and anti-inflammatory benefits. Stability Temperature up to 60°C: Black Cumin Seed with Stability Temperature up to 60°C is used in heat-processed baked snacks, where it maintains its nutritional and aromatic profile. Ash Content ≤5%: Black Cumin Seed with Ash Content ≤5% is used in pharmaceutical preparations, where it ensures compliance with purity standards and minimizes undesired residues. Solvent Residue <0.01%: Black Cumin Seed with Solvent Residue <0.01% is used in certified organic food production, where it supports regulatory compliance and consumer safety. Essential Fatty Acid Content ≥65%: Black Cumin Seed with Essential Fatty Acid Content ≥65% is used in nutraceutical capsules, where it aids in cardiovascular health management. Bulk Density 0.45 - 0.55 g/cm³: Black Cumin Seed with Bulk Density 0.45 - 0.55 g/cm³ is used in powder beverage mixes, where it facilitates accurate dosing and improved mixing properties. |
Competitive Black Cumin Seed prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
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Years in the field and inside our factories have taught us plenty about natural raw materials. People in the production team spend much of their day with bulk shipments, machinery clatter, steam from oil presses. Our job covers not just turning crops into powders or oils, but making sure each batch meets modern food, pharma, and cosmetic needs. Some ingredients never go out of fashion, and black cumin seed is one of them.
Black cumin seed, known to many by its scientific name Nigella sativa, has fueled global demand across industries. Our team grows and processes this seed with strict attention to purity. Seeds press into oil or grind into meal right on site, under our own eyes. The aroma is spicy and earthy—rich enough to fill the warehouse before it even hits the cold press. Over the last decade, supply chains have drawn more scrutiny. Customers have good reason to care about what’s inside the bag or bottle. We test lots for moisture, oil threshold, and contaminant-free status. Each run travels a short, documented path from field to mill.
Seeds themselves appear black and angular, sometimes confusing to those used to poppy or chia. Black cumin seeds contain thymoquinone, linoleic acid, and fixed oils, with fatty acid counts confirmed by gas chromatography in our on-site lab. This makes the difference for supplement makers, food brands, and skin care firms chasing natural pro-health claims. Whether ground or pressed for oil, the density and smoothness signal proper harvest and careful cleaning. You open a sack here and find fragrant, unbroken seeds—none of the dust and husk fragments found from rushed bulk handlers.
Scaling up doesn’t have to mean cutting corners. In midsummer, we process tons a week, but we don’t rush. Harvested seeds sit only a few days before drying, keeping moisture at bay. After shifting through multi-stage cleaning lines, seeds go to dedusting drums and magnetic separators. Each shipment needs to pass aflatoxin screening before hitting the mill. Only select models reach ultra-low microbial load, suitable for advanced pharmaceutical runs. Starting about a decade ago, we upgraded systems to avoid high-temperature roasting. Cold pressing preserves the bioactives in the seed oil, which health product customers prize.
Much of the business markets either whole seed or pressed oil. Some partners want coarsely ground meal for supplement blending, others specify oil filtered to match cosmetic color grades. Flake and powder options come straight from our new hammer mill, calibrated for consistent granule size. Our QC specialists sample every big batch to rule out foreign odors, pesticide residues, or off colors. Seed, oil, or powder all come from single-lot origin—tracked from seeding to finished product. Down to the barrel, we know the batch history. Traceability compares favorably when customers visit, and it helps us catch lots that fall outside our specs for fatty acid ratios or viscosity.
Confusion creeps in when orders request “black seed” without specifics. True black cumin seed (Nigella sativa) stands apart from black caraway, black sesame, and regular cumin. These others turn up in spice blends, but only Nigella sativa packs the concentration of thymoquinone and fixed oils that labs test for supplement use. We’ve run standard panels on these species. Only black cumin seed grown in controlled contracts reaches the consistency the nutritional industry expects. Middlemen sometimes mix batches for bulk volume—but that doesn’t fly here. Each of our lots holds a traceable, single-species identity; that’s what food and supplement auditors look for.
On aroma alone, black cumin seed announces itself—a musty, almost camphorous kick, earthy undertones, none of the overblown sweetness or bland profile found in cumin or coriander. Glance at the oil content. True black cumin holds anywhere from 30 to 38 percent fixed oil—higher than black sesame, which rarely clears 20 percent. Our models break down into wholesale seed, food-grade oil, and pharmaceutical preps (low micro, filtered, thymoquinone-titered). Big supplement firms want meal with minimum under-processing, while soap crafters prefer broad-spectrum cold pressed oil. We learned long ago not to cut in local caraway or lookalikes; not just for honest dealing, but because only pure Nigella sativa matches end-customer label claims.
Customers ask for black cumin seed in three main forms: raw, ground, or as cold-pressed oil. Food processors add the seed itself to breads, crackers, and spice blends, taking advantage of the strong flavor and characteristic crunch. Oil finds its way to supplement capsules and massage balms. We get requests to modify grind size or press with custom filtration. Our upgrade in membrane technology a few years ago lets us dial in turbidity and color for cosmetic brands that want a golden hue without sediment. Food safety rules and origin-certification mean more paperwork, but we see those as protection for both us and our partners.
Bakery chains have boosted seed demand by adding black cumin to flatbreads and health bars—high in traditional regions, recently trending further abroad. Nutraceutical clients chase a reliable fatty acid and thymoquinone profile, since random blends cannot meet their spec sheets or supply regular capsule lines. Bulk buyers for pressed oil usually come from skin care and hair oil segments. These oil customers actually push us hardest on grading; they want cold-pressed batches with minimal oxidized fatty acids, no trace of paraffins, and a mild, natural scent. Having our own on-site research crew helps—clients have full data on peroxide value, acid number, specific density, and even organoleptic certificates before they receive any delivery.
It’s easy to lose sight of fieldwork with today’s just-in-time shipment cycles. In truth, product quality starts before a single truck hits our gates. Seasoned field agents—most have been with us for years—audit contract farms for soil health, disease risk, and sustainable inputs. Heavy rains in spring or delayed harvest can tilt fungal profiles or lower oil content. We’ve learned to invest up front, placing on-the-ground inspectors at harvest and paying for clean wooden bins rather than loose truck beds. This old-fashioned approach seems slow, but it means our acquirer teams get full-weight seeds without excess dirt, insects, or early sprout. Our European clients, in particular, examine each customs declaration and want seed batches with clear, farm-level origin backstories.
In the lab, our analysts use mid-infrared and HPLC screens for both contaminants and active compounds. Farm-level intervention weeds out trouble batches before kilning and pressing—once they fail ochratoxin screening or oil content checks, we don’t book them for production. After seed cleaning, we pack seed or meal in double layer food-safe bags; oils go into nitrogen-flushed steel drums under inert cap, stopping oxidation. That translates to lower risk for food or supplement partners under strict end-market regulation. Product traceability tends to be an overused term, but here, every kilo can be tracked from seed plot to finished drum—a step that most traders can’t claim.
Modern end-users have high bars to clear. Food industry partners routinely send audits into our production warehouses. They challenge us to back up nutritional claims and check for undeclared carriers or pesticides. Every year, we invest more in micro-clear systems to hit yeast, mold, and bacteria clearance for supplement and soft gel runs. Cold-pressed oil destined for beauty customers draws its own scrutiny: firms demand peroxide values well below market average, a light touch on filtration, and full migration and metal residue reports. Not every oil pressing house can meet those specs. Many small-scale producers lack the controlled environments needed for high-value markets. Our business model fixes that gap, offering advanced filtration, strict lot separation, and rapid result certificates.
The black cumin world also deals with contamination risks. We have invested heavily in batch-level aflatoxin and PAH testing and bring in outside labs for periodic verification. Since global climate is shifting, fungal and chemical stressors on a given crop year force us to reject some lots and diversify sources. That costs us in the short term but pulls up long-term credibility when the market lurches due to contamination scares.
Over the years, direct conversation with our clients reveals changing expectations. Five years back, price per ton ruled negotiations. Now, batch documentation, test data, and source transparency dominate calls and emails. Nutritional manufacturers demand more about origin than ever. We answer these requests with detail: harvest date, drying method, soil status, field inspections, and final lab numbers. Cosmetic clients query fatty acid ratios and scent grade. Few global signals matter more than repeat orders from companies who’ve visited our line, scrutinized records, and come back year after year.
Some customers come to us after experiencing wild swings in quality from brokers—cloudy oil, unexpected aromas, or batch-to-batch differences in color and efficacy. Unlike typical commodity traders, we hold a line on accepted lots, maintain stable relations with both contract farms and accredited labs, and keep samples and test results on file for every barrel or bag. This hands-on approach means if a company flags an issue, we track the answer to its exact origin—in some cases, to a specific row of a field.
On-site, small failures lead to big lessons. Some years we experimented with faster drying to boost throughput and found it cost too much in fatty acid quality. We invested in variable temperature control and automated seed flow tracks. Softer handling means more intact seeds and less powder contamination, which matters to both food producers and supplement packers. Several iterations in pressing led us to install advanced cold presses and new-cylinder oil filters, reducing color change and improving shelf life.
Standards keep evolving. A few nutraceutical firms care most about thymoquinone levels, others emphasize pesticide-free declarations. We adopted rapid analytic equipment for real-time batch checks. Customers can request certificates with each order, knowing these come right from our on-premises lab—with backup analysis sent to outside partners. We also work directly with recipe developers. For example, one client needed a seed meal with slightly higher moisture to mix with flax and sunflower in a gluten-free crispbread. Our plant revised the drying and grinding process for that run, again running full micro and compositional controls before clearing the batch for shipment.
Global raw material sourcing faces plenty of friction. This holds for black cumin, too. We see periods where demand outpaces controlled harvests, especially when harvest yields tighten in the producing regions. Unscrupulous middlemen sometimes blend lookalikes or scraped seconds into their shipments; as hands-on manufacturers, we filter for that risk at field, warehouse, and lab check stages. The larger risk for end-users runs beyond contamination: it’s about keeping consistent nutrient and active compound values despite changes in weather, soil, and harvest conditions. Our field officers push for balanced rotation and controlled input regimes to blunt this risk across farm lots.
We accept that lab confirmation sometimes slows batch release. The payoff is reliable quality: no buyer wants to roll out a new black seed capsule or launch a skin oil line only to face label compliance issues after their first big order. We caution our partners against market “bargains” on open bourses, as those rarely bring product with reliable test documentation. To keep a healthy pipeline, we expand contract farming footprint each year and hedge with advance storage for pressing seed, stabilizing the supply chain when other sources run dry.
Direct sourcing connects us with farmers, field hands, and technical consultants in growing regions. Our company pays above-market rates for highest grade seed, ensuring grower buy-in. Over the years, we’ve funded soil health courses and brought in agronomists to help fight seed pest outbreaks. A transparent trading system supports growers when drought hits or pests spike. This approach not only supports social equity but boosts batch integrity; experienced farmers know their fields and deliver cleaner harvested seed than bulk commodity aggregators.
Responsible sourcing practices keep gaining visibility. Major buyers want supplier codes of conduct, origin statements, or pesticide non-use declarations. Our processing houses regularly host farm partners for training on post-harvest hygiene, seed storage, and field health surveys. We believe a cleaner seed starts at planting. In recent years, we’ve introduced more eco-friendly storage and biodegradable inner packaging liners to cut down waste, especially for partners in the health and beauty industries. Supporting local supply chains helps both our company and wider communities by keeping funds and skills at origin.
We aim for consistency, transparency, and reliability. Changes in climate, labor markets, and regulations push us to adapt year after year. Our business doesn’t rest on one crop or region, allowing us to lever backup sources in years when one country faces setbacks. Decades of industry presence let us offer partners a level of security and insight that speculative brokers cannot. Through all market cycles, we ship only black cumin seed, oil, or meal from single-origin, tested lots. People today—consumers, brands, partners—value long-term trust over short-term gain. We share data, support local partners, and build resilience in our own supply based on what works in real operations.
We open our doors—real and virtual—to suppliers, buyers, auditors, and researchers. Tours through the plant show how seed moves from bulk reception through cleaning, sorting, milling, cold pressing, filtration, and packing. We invite partners to inspect lab facilities, watch traceability mapping, and speak to the actual team curating their batch. In the long run, this degree of engagement builds more than a sales relationship: it’s confidence that every seed, oil drum, or meal bag delivered matches the highest bar the industry can set.
We like to say our business was built on seed, sweat, and lab results. Black cumin seed may be ancient in world history, but today’s supply requires scientific know-how, commitment to every batch, and clear-eyed honesty with every partner. By sticking with rigorous origin control, direct farmer relationships, and state-of-the-art production, we provide the steadiest answer for brands who care about what goes into their products—and into people’s hands. If it’s black cumin you’re after, transparency, stability, and batch-to-batch certainty come from those who know the material, not just trade it.