Chapter 3507 — Customs Tariff Headings
Products classified under Tariff item 35.07
Bovine Rennet Tablets
Compressed tablets of concentrated calf rennet, formulated for home cheesemakers and small-scale producers. Each tablet delivers precise milk coagulation, qualifying as a rennet concentrate under tariff item 3507.10.00.
3507.10.00Dry Rennet Blend for Artisanal Cheese
Powdered rennet concentrate blended minimally for stability in artisanal cheesemaking. The primary rennet component exceeds concentrate thresholds, keeping it under tariff item 3507.10.00 as a rennet concentrate.
3507.10.00Fermentation-Produced Chymosin Concentrate
High-purity liquid concentrate of chymosin produced via genetically engineered yeast fermentation. Specifically for milk coagulation, it is classified as a rennet concentrate under tariff item 3507.10.00.
3507.10.00Liquid Calf Rennet
Liquid rennet extracted from calf stomachs, used primarily in cheesemaking to coagulate milk into curds. It is a natural enzyme preparation specifically classified as rennet under tariff item 3507.10.00.
3507.10.00Microbial Rennet Paste
Thick paste concentrate of microbially produced chymosin, mimicking calf rennet for vegan cheesemaking. Labeled and sold as a rennet substitute, it falls under tariff item 3507.10.00.
3507.10.00Rennet Powder Concentrate
Dried powder form of rennet concentrate from bovine sources, standardized for cheesemaking applications. Its high concentration of chymosin enzyme qualifies it under tariff item 3507.10.00.
3507.90.00Amylase Bread Improver Enzyme
Amylase Bread Improver Enzyme is a fungal alpha-amylase that improves bread dough by breaking down starches into fermentable sugars. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes, with the dextrin exclusion verified by low reducing sugar content.
3507.90.00Beta-Glucanase Beer Filtration Enzyme
Beta-Glucanase Beer Filtration Enzyme reduces viscosity in barley mash for better beer filtration. It is an industrial prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes.
3507.90.00Bromelain Digestive Enzyme Supplement
Bromelain Digestive Enzyme Supplement is a proteolytic enzyme extracted from pineapples, used in dietary supplements to aid protein digestion and reduce inflammation. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes, not as a medicament of Chapter 30.
3507.90.00Catalase Hydrogen Peroxide Decomposing Enzyme
Catalase Hydrogen Peroxide Decomposing Enzyme rapidly decomposes H2O2 in food bleaching, textiles, and wastewater treatment. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes.
3507.90.00Cellulase Laundry Detergent Additive
Cellulase Laundry Detergent Additive enhances laundry detergents by removing cotton fuzz and brightening colors. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes, not as a washing preparation of Chapter 34.
3507.90.00Immobilized Penicillin G Amidase Beads
Immobilized Penicillin G Amidase Beads consist of Penicillin G amidase attached to agarose or silica beads, enabling continuous flow biocatalysis in pharmaceutical manufacturing. The principal enzyme is specifically Penicillin G amidase, which is not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as an enzyme not elsewhere specified.
3507.90.00Invertase Candy Manufacturing Enzyme
Invertase Candy Manufacturing Enzyme hydrolyzes sucrose to invert sugar for soft candy centers like those in chocolates. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes.
3507.90.00Lactase Enzyme Tablets for Lactose Intolerance
Lactase Enzyme Tablets for Lactose Intolerance contain beta-galactosidase enzymes that hydrolyze lactose for dairy-intolerant consumers. They are prepared enzymes not excluded by Chapter 35 notes and are classified under tariff item 3507.90.00, separate from Chapter 21 yeasts or Chapter 30 medicaments.
3507.90.00Lipase Fat Digestion Supplement
Lipase Fat Digestion Supplement contains pancreatic-like lipase enzymes that assist fat digestion in pancreatic insufficiency supplements. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00, excluding Chapter 30 blood fractions or medicaments.
3507.90.00Lysozyme Egg White Antimicrobial Enzyme
Lysozyme Egg White Antimicrobial Enzyme from hen egg whites is used as a natural preservative in cheese and wine. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes.
3507.90.00Mannase Animal Feed Enzyme
Mannase Animal Feed Enzyme is endo-1,4-beta-mannanase that improves poultry feed digestibility of soy mannans. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes.
3507.90.00Papain Meat Tenderizer Powder
Papain Meat Tenderizer Powder is a plant-derived protease enzyme extracted from papaya latex, prepared as a powder for breaking down meat proteins. It is classified under tariff item 3507.90.00 as an 'other' prepared enzyme, as it is not excluded by Chapter 35 notes (e.g., not a medicament of Chapter 30).
3507.90.00Pectinase Wine Clarifying Enzyme
Pectinase Wine Clarifying Enzyme is a liquid concentrate containing pectinase enzymes that break down pectin in fruit juices, aiding wine and cider clarification. It is classified under tariff item 3507.90.00 as an 'other' prepared enzyme, not covered by Chapter 35 exclusions like enzymatic washing preparations of Chapter 34.
3507.90.00PenG Amidase Solution 50% Glycerol Stabilized
PenG Amidase Solution is a liquid formulation of Penicillin G amidase stabilized in 50% glycerol, designed for cold storage and easy dispensing in lab-scale antibiotic synthesis. This specific amidase preparation is not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as an enzyme not elsewhere specified.
3507.90.00Penicillin G Amidase 100,000 U/g Preparation
Penicillin G Amidase 100,000 U/g Preparation is a high-activity enzyme preparation in stabilized powder form, used for large-scale fermentation processes in antibiotic production. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes.
3507.90.00Penicillin G Amidase Enzyme Powder
Penicillin G Amidase Enzyme Powder is a purified enzyme used in the biopharmaceutical industry to hydrolyze penicillin G into 6-aminopenicillanic acid (6-APA), a key intermediate for semi-synthetic antibiotics. This powder form is specifically Penicillin G amidase and is classified under tariff item 3507.90.00 as an enzyme not elsewhere specified.
3507.90.00Protease Biofuel Production Enzyme
Protease Biofuel Production Enzyme is an industrial protease that hydrolyzes proteins in biomass pretreatment for biofuel ethanol production. It is classified under tariff item 3507.90.00 as an 'other' prepared enzyme for commercial end-uses, not excluded by Chapter 35 notes.
3507.90.00Recombinant Penicillin G Acylase Lyophilized
Recombinant Penicillin G Acylase Lyophilized is a freeze-dried form of Penicillin G acylase produced via E. coli expression, used for industrial biotransformation of beta-lactam antibiotics. It is a prepared enzyme not excluded by Chapter 35 notes and is classified under tariff item 3507.90.00 as other enzymes.
3507.90.00Serrapeptase Systemic Enzyme Capsules
Serrapeptase Systemic Enzyme Capsules contain serrapeptase, an enzyme derived from silkworm bacteria, prepared in capsules for anti-inflammatory support. They are classified under tariff item 3507.90.00 as 'other' prepared enzymes, excluding therapeutic medicaments of Chapter 30 per Section Note 2.
3507.90.00Xylanase Pulp Bleaching Enzyme
Xylanase Pulp Bleaching Enzyme is an industrial enzyme that degrades hemicellulose in pulp for eco-friendly paper bleaching. It is classified under tariff item 3507.90.00 as an 'other' prepared enzyme, not excluded by Chapter 35 notes.