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Ma J.,Guangxi Forestry Research Institute GFRI | Ma J.,Central South University of forestry and Technology | Ye H.,Guangxi Forestry Research Institute GFRI | Rui Y.,China Agricultural University | And 2 more authors.
Journal fur Verbraucherschutz und Lebensmittelsicherheit | Year: 2011

Camellia oleifera originates from China and is important for the economy of southern China. Seeds from the cultivars LCDG, YAYC, and CR3 of Camellia oleifera were analyzed for their amount of 14 different fatty acids (unsaturated, monounsaturated, polyunsaturated, and saturated). In contrast to former investigations additional kinds of fatty acids could be isolated from Camellia oleifera seeds: The composition of this oil is very similar to olive oil, comprising 67.7-76.7 % oleic acid, 82-84 % unsaturated fatty acids, 68-77 % monounsaturated fatty acids, and 7-14 % polyunsaturated acids. Moreover, Camellia oleifera oil has many advantages to rapeseed oil, peanut oil, soybean oil, safflower seed oil, and especially pig oil. © 2010 Springer Basel AG. Source


Ma J.,Central South University of forestry and Technology | Ma J.,Guangxi Forestry Research Institute GFRI | Zhang R.,Central South University of forestry and Technology | Ye H.,Guangxi Forestry Research Institute GFRI | And 5 more authors.
Asian Journal of Chemistry | Year: 2013

CameCamellia oleifera and Se elements both have health care function for human body, but Se-enriched Camellia oleifera has not been studied. The changes of trace elements and heavy metals contents of Camellia oleifera seed after selenium enriching were studied. The results showed that (1) Selenium can promote the absorption of Camellia oleifera seeds to Li, P, K, Si and Mg; (2) Selenium can promote the absorption of Camellia oleifera seeds to many trace elements beneficial for human health including Ca, Fe, Cu and Mo; (3) Selenium can reduce the absorption of Camellia oleifera seeds to Hg, Pb, Ti and Ni. It is suggested that selenium can improve the nutrition of Camellia oleifera oil and reduce the risk of heavy metals. Source


He X.Y.,Guangxi Forestry Research Institute GFRI | He X.Y.,Central South University of forestry and Technology | Ye H.,Guangxi Forestry Research Institute GFRI | Ma J.L.,Guangxi Forestry Research Institute GFRI | And 4 more authors.
Phyton | Year: 2012

Annual leaf segments of eight Camellia species were used to study the heat tolerance by an electrical conductivity method, in combination with a Logistic equation to ascertain the semi-lethal high temperature by fitting the cell injury rate curve. The relationship between the processing temperature and the cell injury rate in Camellia showed a typical "S" shaped curve, following the Logistic model. The correlation coefficient was above 0.95. The semi-lethal high temperature LT50 of the eight Camellia species, determined by the inflection point on the curve, varied from 50 to 57 LT50 / °C, following the descending order: Camellia oleifera > C. japonica > C. polyodonta > C. semiserrata > C. nitidissima > C. gigantocarpa > C. nanyongensis > C. vietnamensis. The semi-lethal high temperature of C. oleifera was 56.8 °C, and that of C. vietnamensis was 50.6 °C. Results showed C. oleifera appeared as the best suitable species for introduction in high-heat zones. Camellia vietnamensis appeared more suitable for planting in temperate regions at lower temperatures. These results can provide theoretical basis for breeding and introduction of heat-tolerant oil-tea cultivars. Source


Li K.,Guangxi Forestry Research Institute GFRI | Ye H.,Guangxi Forestry Research Institute GFRI | Zhang N.,Guangxi Forestry Research Institute GFRI | Jiang Z.,Guangxi Forestry Research Institute GFRI | And 2 more authors.
Asian Journal of Chemistry | Year: 2013

The development of Camellia oleifera has a very important role on promoting integrated mountain development and the employment of rural income in Guangxi province. The concentrations of potassium in tea leaves and soils from ten major Camellia producing areas in Guangxi were measured by atomic absorption spectrophotometry. The results showed that most of the soils in central and northern Guangxi province were very deficient for potassium, so potassium deficiency is an important reason leading to low yield of Camellia forest in central and northern Guangxi. Source


Guo-Chen C.,Guangxi Forestry Research Institute GFRI | Guo-Chen C.,Guangxi Key Laboratory of Special Nonwood Forest Cultivation and Utilization | Hang Y.,Guangxi Forestry Research Institute GFRI | Hang Y.,Guangxi Key Laboratory of Special Nonwood Forest Cultivation and Utilization | And 6 more authors.
Bangladesh Journal of Botany | Year: 2015

The comparison of fatty acid content in Camellia oleifera (L.) Kuntze oil and olive oil was done by GC. C. oleifera oil contained more C18:1n9c, C18:2n6c, C20:1 and C22:1n9 than olive oil. Olive oil did not contain C21:0 and C24:1 but more C8:0, C16:0, C16:1, C18:0, C18:3n6, C18:3n3, C20:2, C22:0, C23:0 and C24:0 than C. oleifera oil, C. oleifera oil did not contain C20:2. C. oleifera oil and olive oil are beneficial for human health for their unsaturated fatty acids content and C. oleifera oil is healthy than olive oil. Source

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