Vitamin E, Phytosterol, and Carotenoid Contents of Hemp (Cannabis sativa L.) Seed
2023
Kwon, Y.J. | Kim, K.N. | Heo, H.J. | Lee, J.S. | Sung, J.H.
Hemp (Cannabis sativa L.) seeds have been recognized as a high-quality source of plant-based proteins and omega fatty acids. However, currently, there are no reports on the fat-soluble phytochemical composition of hemp seeds. This study was undertaken to determine the vitamin E, phytosterol, and carotenoid contents of commercial hemp seeds. Hemp seeds were subjected to saponification extraction followed by HPLC analysis for vitamin E and carotenoid, and GC for phytosterol. α-, γ-, and δ-tocopherol and γ-tocotrienol were detected in all samples, with γ -tocopherol (6.82∼8.41 mg/100 g) being the major form of vitamin E in hemp seeds. The β-sitosterol and campesterol contents of hemp seeds were 29.62∼57.76 mg/100 g and 4.98∼11.43 mg/100 g, respectively. The lutein content was determined in the range of 462.25∼3,369.97 μg/100 g. This study provides information about the bioactive compounds(i.e., tocopherol/tocotrienol, β-sitosterol/campesterol, and lutein) present in hemp seeds. We believe that hemp seeds containing high levels of fat-soluble phytochemicals are potentially useful to be applied in the functional food industries.
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