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月桂酸(英文:Lauric acid),又稱為十二烷酸,是一種飽和脂肪酸。它的分子式是C12H24O2。雖然名為月桂酸,但在月桂油含量中只佔1-3%。想要補充月桂酸,可以選擇含量高的植物油椰子油,其含量高達45-52%。
根據臨床研究發現,月桂酸具有抗微生物的作用,也就是一種天然抗病毒或者天然抗生素效果:
- Hoffman KL, Han IY, Dawson PL (2001). "Antimicrobial effects of corn zein films impregnated with nisin, lauric acid, and EDTA". J. Food Prot. 64 (6): 885–9. PMID 11403145.
- Ouattar B, Simard RE, Piett G, Bégin A, Holley RA (2000). "Inhibition of surface spoilage bacteria in processed meats by application of antimicrobial films prepared with chitosan". Int. J. Food Microbiol. 62 (1–2): 139–48. doi:10.1016/S0168-1605(00)00407-4. PMID 11139014.
- Alexey Ruzin and Richard P. Novick (May 2000). "Equivalence of Lauric Acid and Glycerol Monolaurate as Inhibitors of Signal Transduction in Staphylococcus aureus" (Free full text). J Bacteriol 182 (9): 2668–2671. doi:10.1128/JB.182.9.2668-2671.2000. PMC 111339. PMID 10762277. //www.ncbi.nlm.nih.gov/pmc/articles/PMC111339/.
此外,月桂酸可以明顯增加高密度膽固醇(HDL)的濃度,高密度膽固醇增加可以降低動脈硬化的風險:
- Mensink RP, Zock PL, Kester ADM, Katan MB (May 2003). "Effects of dietary fatty acids and carbohydrates on the ratio of serum total to HDL cholesterol and on serum lipids and apolipoproteins: a meta-analysis of 60 controlled trials". American Journal of Clinical Nutrition 77 (5): 1146–1155. ISSN 0002-9165. PMID 12716665. http://www.ajcn.org/content/77/5/1146.full?ijkey=846a72387ebc0d82545acd5442a0c3a9e9fc3566.
- Thijssen, M.A. and R.P. Mensink. (2005). Fatty Acids and Atherosclerotic Risk. In Arnold von Eckardstein (Ed.) Atherosclerosis: Diet and Drugs. Springer. pp. 171–172. ISBN 978-3-540-22569-0.
如果想透過椰子油來保健,提醒大家不要隨便拿烹飪用的椰子油來直接飲用,最好可以選擇特級冷壓初榨椰子油(Extra Virgin coconut Oil,簡稱EVCO),此外,EVCO含豐富的中鏈三酸甘油脂(MCT,Medium-chain triglycerides),幫助吸收不良的人改善吸收、增加運動員的表現以及協助體重控制,甚至在失智症的改善,臨床上也有相關報告支持,建議大家可以多加留意。
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