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| oil-tea camellia seed oil from different mainproducing areas in Hainan Island |
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| DOI： |
| KeyWord:Hainan Island oil-tea camellia seed oil nutritional component quality comprehensive evaluation |
| FundProject:国家自然科学基金（31860082）；海南省省属科研院所专项（KYYS-2021-27） |
| Author Name | Affiliation | | XIA Tengfei1,2, CHEN Jiali1,2, XIONG Zijun3, SUN Xiuxiu1,2, MA Guangyao2,
WANG Chunmei2, LIANG Zhenru2, FENG Yixin2, ZHENG Daojun1,2 | 1.Sanya Institute, Hainan Academy of Agricultural Sciences, Sanya 572025, Hainan, China
2.The Key
Laboratory of Tropic Special Economic Plant Innovation and Utilization, National Germplasm Resource
Chengmai Observation and Experiment Station, Institute of Tropical Horticulture Research, Hainan
Academy of Agricultural Sciences, Haikou 571100, China
3.Institute of Tropical Bioscience and
Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China |
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| Abstract: |
| The quality of oil-tea camellia seed oil originated from Hainan Island is unique. To promote the development and utilization of oil-tea camellia resources and further provide a reference for the quality traits breeding of oil-tea camellia seed oil in Hainan Island, oil-tea camellia seed samples from the main oil-tea camellia producing areas in Hainan Island were collected. The oil content in oil-tea camellia seed kernel, the physicochemical indexes, contents of inorganic elements, fatty acid composition and bioactive substances contents in oil-tea camellia seed oil were determined. Subsequently, data on these traits were submitted to do correlation analysis, comprehensive quality evaluation and cluster analysis. The results showed that the average oil content in oil-tea camellia seed kernel was 49.13%. The oil-tea camellia seed oil was rich in inorganic elements, and the contents of unsaturated fatty acid, squalene, tea polyphenol and vitamin E were about 90%, and 78.33-96.23, 64.78-77.36, 430.7-484.4 mg/kg, respectively. Significant or extreme significant correlations were found between some traits. The comprehensive scores of oil-tea camellia seed oil originated from Ding′an and Haikou were relatively higher, while that from Qionghai was the lowest. According to cluster analysis, the main producing areas of oil-tea camellia seed oil in Hainan Island could be divided into three categories, Ding′an into one category, Tunchang, Qionghai, Chengmai and Lingao into one category, and the central mountains and Haikou into one category. In conclusion, the quality of oil-tea camellia seed oil originated from Hainan Island is high, and the oil-tea camellia oil in each main producing area has its own characteristics. |
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