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Castor seeds are the seeds of the castor oil plant, Ricinus communis, known for their high oil content. These seeds are typically oval in shape and have a mottled appearance, with a hard outer shell that protects the inner seed. The oil extracted from castor seeds is used in various applications, including pharmaceuticals, cosmetics, and industrial products. Additionally, castor seeds are cultivated for their potential as a biofuel source due to their high oil yield.
| Seed size | 10 to 15 mm in length |
| Oil content | 40% to 60% by weight |
| Germination rate | 70% to 90% |
| Purity | 95% minimum |
| Moisture content | 8% to 12% |
When selecting castor seeds, buyers should consider the intended use, such as oil production or planting. It's important to specify the desired germination rate, oil content, and purity levels when requesting a quote. Additionally, buyers may want to inquire about seed treatment options and certifications related to seed quality and origin.
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Typically, castor seeds yield about 40% to 60% oil.
Castor seeds should be stored in a cool, dry place to maintain their viability.
Raw castor seeds contain ricin, a toxic compound, and should not be consumed without processing.
Castor seeds are usually planted in the spring after the last frost.
Castor plants prefer warm climates and well-drained soil.
Common pests include aphids, caterpillars, and whiteflies.