Soy Isoflavone Genistein Extract
Genistein, a natural estrogenic isoflavone, extracted from soybeans (Glycine max) via hydrolysis of glucosides. This steroidal hormone analogue is obtained indirectly from vegetable materials and used primarily for its phytoestrogenic hormonal effects in menopause supplements. HTS 2937.23.10 covers such chemically defined compounds per chapter notes.
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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 not qualifying as steroidal or primarily hormonal
Non-steroidal hormones go to residual 2937.99 per numerical order rule.
If sold as dietary supplement powder
Formulations for retail food use classify under food preparations.
If crude soy extract before isolation
Pectic substances or plant extracts precede purification to pure compounds.
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Import Tips & Compliance
• Submit isoflavone content assays and solvent extraction method details; ensure GMO-free certification if marketed as natural; prevent blending with synthetics to maintain natural classification
Related Products under HTS 2937.23.10
Natural Estrone from Equine Urine
Estrone is a naturally occurring estrogen hormone extracted directly from pregnant mare urine (PMU), a classic animal-derived source. It falls under HTS 2937.23.10 as a steroidal hormone obtained from animal materials, used primarily for hormone replacement therapy. This classification applies to pure forms meeting chapter 29 notes for separate chemically defined organic compounds.
Vegetable-Derived Phyto-Progesterone
Phyto-progesterone extracted from wild yam (Dioscorea species) tubers, a vegetable source yielding natural progestin precursors like diosgenin processed into progesterone. Classified under HTS 2937.23.10 for progestins obtained indirectly from vegetable materials, used primarily as hormones in supplements. Meets chapter requirements for chemically defined organic compounds from natural sources.
Mexican Yam Diosgenin Powder
Diosgenin, a steroidal sapogenin precursor to progesterone, extracted from Mexican wild yam (Dioscorea villosa) rhizomes. Obtained indirectly from vegetable materials through acid hydrolysis, used primarily as a hormone intermediate. Fits HTS 2937.23.10 for natural steroidal hormone derivatives.
PMU-Derived Conjugated Estrogens
Conjugated equine estrogens mixture (CEE) isolated from pregnant mare urine, containing estrone sulfate and equilin sulfate. This natural estrogen complex is obtained directly from animal materials for menopausal hormone therapy. HTS 2937.23.10 applies to such steroidals used primarily as hormones.
Fenugreek Seed Trigonelline Extract
Trigonelline, a vegetable alkaloid with hormonal properties, extracted from fenugreek (Trigonella foenum-graecum) seeds. Obtained indirectly via solvent extraction, used as a progestin analogue in natural supplements. Classifies under HTS 2937.23.10 for natural hormone structural analogues.
Tribulus Terrestris Saponin Protodioscin
Protodioscin, a furostanol saponin with steroidal hormone activity, extracted from Tribulus terrestris plant. Indirectly obtained from vegetable materials, used primarily as a natural testosterone/progestin enhancer. HTS 2937.23.10 for steroidal analogues used as hormones.