Mexican Yam Diosgenin Concentrate
Diosgenin concentrate from Dioscorea villosa (wild yam) tubers, serving as natural precursor for progesterone synthesis while qualifying as progestin intermediate. Obtained indirectly from vegetable materials through solvent extraction. HTS 2937.23.1050 includes such natural steroid precursors used hormonally.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If glycoside form predominates
Steroidal glycosides classify with other steroid derivatives in 2938.
If unextracted tuber material
Bulk yam plants or tubers remain as medicinal plants.
If post-microbial conversion
Diosgenin hydrolyzed via fermentation loses natural material classification.
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Import Tips & Compliance
• Provide phytosanitary certificates for yam tuber imports verifying disease-free status
• Declare diosgenin content percentage with NMR validation of natural stereochemistry
• Avoid conversion claims that suggest synthetic processing beyond natural extraction
Related Products under HTS 2937.23.10.50
Natural Estrone Powder
Estrone is a naturally occurring estrogen hormone extracted from animal or vegetable sources such as pregnant mare urine. This powder form is used primarily as a hormone replacement therapy ingredient. It falls under HTS 2937.23.1050 as an estrogen obtained directly or indirectly from natural materials, classified as 'other' within this subheading.
Equine Pregnenolone Crystals
Pregnenolone derived from equine adrenal glands serves as a precursor to other steroid hormones including progestins. These crystals are obtained indirectly through natural extraction processes from animal materials. Classified under HTS 2937.23.1050 as a progestin precursor from natural sources.
Phyto-Progesterone Extract 98%
High-purity progesterone extracted from wild yam (Dioscorea species) through diosgenin conversion processes. This plant-derived progestin maintains natural material origin despite processing. HTS 2937.23.1050 covers such vegetable-derived steroid hormones used primarily as hormones.
Ovine Estriol USP Grade
Estriol hormone purified from ovine (sheep) placental sources meeting USP pharmaceutical standards. Used in hormone replacement formulations, this natural estrogen qualifies under the animal-derived category. The 'other' specification in 2937.23.1050 captures such specific natural estrogens.
Soy Isoflavone Estrogenic Fraction
Concentrated genistein/daidzein fraction from soy germ exhibiting estrogenic activity, extracted via aqueous ethanol from vegetable material. Used as natural hormone analogue in supplements. Falls under HTS 2937.23.1050 as vegetable-derived estrogen structural analogues used primarily as hormones.