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Lycopene: Physical Characteristics and Key Details

What is Lycopene?

Lycopene shows up in fruits like tomatoes, watermelons, and pink grapefruits, creating the bright red color people recognize. This natural carotenoid pigment doesn’t dissolve in water, blending more easily into fats and oils. Researchers and food producers value lycopene thanks to its antioxidant activity. Over the years, I’ve seen more supplements and food products labeling lycopene as a highlight, often citing the pigment for potential health benefits and powerful color.

Products, Forms, and Specifications

Producers often supply lycopene as a fine powder, solid, flakes, crystals, or as tiny pearls. Some dissolve it in oils to create liquid concentrates or solutions, especially for convenience in food manufacturing. I notice that the appearance shifts depending on the form — powders and solids look deep pink or red, sometimes approaching purple shade in concentrated crystals. Pearls and flakes help companies dose the ingredient in specific batches, avoiding dust and spills. Each form meets different needs, whether for adding to a beverage, cosmetic, or supplement capsule. Manufacturers demand purity up to 98% or greater, and levels of residual solvents, moisture, or other impurities rarely exceed strict food or pharma standards.

Molecular Details and Structure

The molecular formula of lycopene reads C40H56. Its structure contains a chain of conjugated double bonds — 11 in total — contributing to its antioxidant strength and bright color. Chemists appreciate its linear structure, which reacts with free radicals efficiently, as I’ve read in several food science studies and technical specifications. Lycopene’s molecular weight stands at about 536.9 g/mol. Its density hovers around 0.93–0.99 g/cm3 in solid states; melting point sits near 172°C, with some variation depending on crystalline form and purity. It’s nearly insoluble in water, dissolving instead in organic solvents such as hexane, chloroform, and various oils.

Physical Properties and Behavior

Working with lycopene, I’ve seen that heat, light, and oxygen all threaten its stability. Once exposed, its color fades and chemical potency drops. In the lab, keeping solutions refrigerated in amber bottles extends shelf life. In finished goods, packaging that blocks light and air preserves color and activity for many months. Since lycopene clumps in water-based mixtures, emulsifiers or dispersants help it blend in beverages and salad dressings. In dry mixes and supplements, microencapsulation can shield lycopene from oxidation, a technique food science uses to maintain shelf stability. Production lines need careful humidity and temperature control for consistent end product.

HS Code, Raw Material Sourcing, and Safety

Shipping and customs track lycopene using the HS Code 2936.90, which covers other provitamins and vitamins, natural or synthetic. On a global scale, most raw lycopene comes from tomatoes—either processed as byproducts from the juice industry or grown specifically for pigment extraction. Traceability means a lot in this space; consumers want to know their lycopene starts as non-GMO and uncontaminated produce. In my work with nutraceuticals, third-party certifications and regular testing matter for safety and quality. I always stress that lycopene itself, in its natural sources and approved supplement doses, poses little risk. Acute toxicity sits extremely low, and it isn’t considered hazardous or harmful when handled as a food additive or ingredient. Overexposure, especially in workplace dust or concentrated extracts, needs normal chemical-handling procedures—gloves, goggles, basic ventilation—the same as for powdered spices or food coloring.

Chemical Material and Industrial Applications

In manufacturing, lycopene arrives in several carriers—corn oil, sunflower oil, or microcrystalline cellulose—depending on the application. Major uses stretch from coloring foods and beverages to premium skincare and dietary supplements. Pharmaceutical companies tap into the molecule’s molecular properties to design antioxidant formulations. I’ve seen chefs use microencapsulated lycopene in luxury oils, giving dishes a vibrant hue without altering taste. Cosmetics brands highlight it for anti-aging creams. One thing stands out: ingredient transparency and assurance of non-GMO, allergen-free sourcing remain priorities as consumers and regulators demand more detail about chemical materials in their food and products.

Chemical Safety and Consumer Health

Lycopene holds a strong safety profile in dietary uses. Countless safety reviews by groups like the FDA and EFSA confirm negligible toxicity in recommended dosages. I sometimes notice people worry over its synthetic production or extraction methods, but thorough analysis and refining steps leave no worrisome residues when conducted according to standard food safety laws. For the very rare case of hypersensitivity or excessive supplement intake, the only known effect usually relates to a deep orange skin tint, which disappears after stopping intake. From my experience and scientific reading, workers need to avoid breathing in dust and otherwise rely on common protective equipment. Finished products destined for consumers, whether powders or oil solutions, show negligible risks so long as storage conditions remain dry, cool, and dark.

Density, Purity, and Storage

Quality lycopene keeps its best qualities when stored below 30°C, shielded from direct sunlight and humidity. Laboratories and food labs pay attention to density in technical specs, generally falling just under 1 g/ml for concentrated crystals or powders. A sharp smell or color shift signals premature oxidation. I always check certificate of analysis documents for each batch—manufacturers often include heavy metal scanning and microbiological testing as proof of quality. Custom blends or premixes sometimes require even tighter purity standards, especially for sensitive applications in infant food or medical nutrition.