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| Effect of microwave pretreatment of hemp seed on tetrahydrocannabinol content and quality of hemp seed oil |
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| KeyWord:hemp seed microwave pretreatment tetrahydrocannabinol quality |
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| Abstract: |
| Tetrahydrocannabinol is a kind of psycho active compound in hemp seed and it is easily dissolved in hemp seed oil during extraction so that the oil quality reduced. In order to reduce tetrahydrocannabinol content, hemp seeds were pretreated using tumble microwave equipment. The residual oil rates of hemp seed cake and the qualities of crude hemp seed oil before and after microwave pretreatment were analyzed. The results showed that under the conditions of microwave time 15 min and microwave power 1 000 W, the tetrahydrocannabinol content in crude hemp seed oil decreased from 122.63 mg/kg to 57.33 mg/kg, oxidation induction time increased from 2.28 h to 3.02 h, tocopherol content increased from 708.38 mg/kg to 716.88 mg/kg, and residual oil rate of hemp seed cake decreased from 14.36% to 9.98%, respectively. The acid value and peroxide value of crude hemp seed oil increased slightly and the fatty acid composition and content had no significant change. |
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