Pachyrhizus erosus

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Common products:
- Fresh tuber (raw or cooked) marketed as a vegetable, sold whole or sliced for snack sticks.
- Dried sliced chips, often seasoned for snack foods.
- Candied jicama and pickled preparations for culinary use.
- Tuber flour or powdered starch produced by drying and milling the root.
- Boiled or steamed tuber used as animal feed for cattle, swine and goats.

Industrial and craft applications:
- Tuber starch extracted for use as a thickening agent in food formulations.
- Dried tuber or chips incorporated into livestock feed rations to provide energy and dietary fiber.

Food and beverages (non‑medicinal):
- Consumed raw in salads, fruit platters and as a crisp snack; sliced, diced or julienned.
- Cooked in stir‑fries, soups, stews and braised dishes; retains a firm texture and mild sweet flavor.
- Used as an ingredient in relishes, pickles, candied products and processed snack mixes.

Properties relevant to use:
- Tuber comprises about 90 % water, 5–10 % carbohydrate on a fresh basis, with low starch (≈10 % of dry weight) and a predominance of inulin‑type fructans; moderate dietary fiber (≈3 %); low caloric density.
- The fresh root has a crisp, juicy texture and mild sweetness, retained after short cooking, making it suitable for both raw and cooked applications.
- Inulin provides soluble fiber without gelatinizing at typical cooking temperatures, enabling use as a low‑starch thickener.

Standards and regulation:
- Fresh and processed jicama comply with Codex Alimentarius standards for fresh produce and national food safety regulations (e.g., USDA FSIS, FDA) for handling and labeling.
- Food‑grade starch extracted from the tuber must meet carbohydrate purity and microbiological specifications established by ISO and national pharmacopeial standards where applicable.

Sustainability and sourcing:
- Pachyrhizus erosus is a legume that fixes atmospheric nitrogen via symbiotic rhizobia, reducing synthetic fertilizer needs.
- It thrives in well‑drained soils with moderate fertility and can be cultivated in inter‑cropping systems, supporting biodiversity and soil health.
- When used in rotation, the crop contributes to soil organic matter and can help suppress certain soil‑borne pests.

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