Technical guide · For bulk buyers

Camellia oil technical guide — composition, stability, handling

A working reference for teams evaluating Grade 1 cold-pressed Camellia Oleifera seed oil at volume — what is in it, how it behaves in storage and processing, and where it fits by application. Measured values here come from accredited third-party laboratory reports and are labelled with the batch they were taken from.

Composition at a glance

Camellia Oleifera seed oil is an oleic-dominant oil with naturally occurring tocopherols — the composition that made it a traditional culinary and carrier oil across southern China and Japan. Cold pressing at low temperature, with no solvent stage and no downstream refining, leaves that native profile intact. On the quality and safety set, measured by 深圳中检联检测有限公司 (Shenzhen SAG), CNAS/CMA-accredited: on batch 2024-11-20 (report AFSQE110932001C), acid value 0.49 mg/g against a 2.0 limit, peroxide value 0.024 g/100g against 0.25, moisture and volatiles 0.06%, insoluble impurities 0.02%, relative density 0.9143 — a wide processing margin on every line. Arsenic, lead, benzo[a]pyrene and aflatoxin B1 were not detected in both tested batches; solvent residue was not detected in batch 2023-02-06, as you would expect of a genuinely solvent-free press. Full tables are on the specifications page; compositional data for your intended application is provided with your quotation.

Thermal behaviour

Worth understanding before you design a process around any cold-pressed oil: unrefined oils retain free fatty acids and minor components that refining strips out, and those sit lower on the thermal scale than the refined equivalent of the same oil. That is a trade — native profile and a clean input record on one side, a lower thermal ceiling on the other — and which side you want depends on the line it is going into. Thermal data for your intended process is provided on request, and we'd encourage confirming it on your own equipment against your own method, since measured smoke point varies with test protocol as much as with the oil.

Oxidation and shelf life

Every natural oil oxidises; the question is your starting margin and your handling. A low initial peroxide value (0.024 g/100g on batch 2024-11-20, 10× under the limit) buys shelf life — oil that arrives already ageing gives it away. From there, handling dominates: store cool and dark; keep drums sealed and headspace minimal after opening (nitrogen blanketing for long holds); avoid prolonged contact with reactive metals — lined steel drums or HDPE are standard; and rotate stock first-in, first-out. The oil's native tocopherols provide some antioxidant buffer; buyers running long finished-product shelf lives typically add their own antioxidant system downstream and validate with their own accelerated testing. Shelf-life statements and packaging formats are confirmed with your quotation.

Applications by buyer type

Refining feedstock. The flagship oil ships as pressed — unrefined. Its low acid and peroxide values make it clean input for buyers refining to cosmetic or pharmaceutical specifications on their own lines, and a single-cultivar, single-plantation supply means your refining parameters aren't chasing a changing blend. Culinary manufacturing. A neutral, golden oil for premium retail and food manufacturing, with the thermal considerations above. Soap and oleochemical. Predictable saponification behaviour for an oleic-type oil; as with any natural feedstock, confirm on a sample before locking recipe parameters. Cosmetic and personal-care manufacturing. A cosmetic-grade refined version of the same oil is available — refined from our own single-origin cold-pressed feedstock, not bought-in crude; its specifications are supplied with your quotation. The unrefined oil remains available if you prefer to refine in-house and own the grade claim yourself. See single-origin vs blended for what the origin claim covers.

Evaluating at volume

The sequence we recommend to every buyer: request the accredited laboratory reports (AFSQD020215001C and AFSQE110932001C) and a sample drum in the grade you intend to buy; run your own laboratory verification and a line trial; then scale through the volume bands (trial → scale → strategic) as your process confirms fit. Where your specification calls for parameters or a testing frequency beyond the published panel, raise it at inquiry — the testing schedule is set as part of the supply agreement and confirmed in writing with your quotation. How to read the reports when they arrive is covered in the COA guide.