Refined Thraustochytrid Microbial Fat
Fat from Thraustochytrid protists, refined for omega-3 supplements. This physically refined microbial fat fraction is not chemically modified, falling under tariff item 1515.60.00 for microbial fats and their fractions.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the fat is chemically modified or blended with other oils
Chemically modified fats are excluded from heading 15.15.
If the fat is encapsulated or mixed into a supplement formulation
Finished supplement preparations fall under Chapter 21.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the fat is not chemically modified; provide a certificate of analysis
• If sold as a supplement, check if it requires a Natural Product Number (NPN)
• Ensure the microbial source is clearly stated to avoid confusion with fish oils
Related Products under Tariff item 1515.60.00
Bulk Microbial Triglyceride Oil
Bulk microbial triglyceride oil produced by engineered microbial hosts, intended for industrial lubricant applications. This fixed microbial fat is unrefined and not chemically modified, falling squarely under tariff item 1515.60.00 for microbial fats and oils.
Crypthecodinium Cohnii Microbial DHA Oil
Whole microbial oil from Crypthecodinium cohnii dinoflagellates, rich in DHA, used in aquaculture feeds. Supplied unrefrigerated and not fractionated or chemically altered, this oil qualifies as a microbial fat under tariff item 1515.60.00.
Fermented Yeast Derived Microbial Fat
Unrefined microbial fat extracted from oleaginous yeast cultures such as Yarrowia lipolytica, intended for biodiesel and oleochemical production. As a fixed microbial fat not chemically modified, it is classified under tariff item 1515.60.00.
Fungal Beta-Carotene Rich Oil Fraction
A fraction from fungal fermentation high in beta-carotene oils, used for food fortification. This microbial oil fraction is not chemically modified and falls under tariff item 1515.60.00 for microbial fats and their fractions.
Microalgal EPA Oil Concentrate
EPA-concentrated fraction from microalgae, refined for heart health supplements. This refined microbial oil fraction is not chemically modified, qualifying under tariff item 1515.60.00 for microbial fats and their fractions.
Oleaginous Fungal Lipid Fraction
Lipid fraction from oleaginous fungi like Blakeslea trispora, rich in beta-carotene precursors for nutraceuticals. Physically refined and maintaining its natural fat profile, this fraction falls under tariff item 1515.60.00 for microbial fats and their fractions.