買農地、蓋農舍、過農莊生活
許惠珺
更新於 2022/09/14閱讀時間約 15 分鐘

奇蹟食物「台灣香檬」（三）：最珍貴的營養在果皮上（科學研究報告整理）

台灣香檬，又稱扁實檸檬，台語有人叫它「酸桔仔」、「山柑仔」。日文叫シークヮーサー，意思是「酸到難以入口」。
今天台灣有農人給它冠上一個稱號，叫「希望的果實」。為什麼把台灣香檬叫做「希望的果實」？不研究還不知道，一研究才發現，台灣香檬竟然對人體健康大有益處，而其最珍貴的營養，就在果皮上！
台灣香檬的果皮，含有四種重要的營養成份：川陳皮素(Nobiletin)、橘皮素(Tangeretin)、辛弗林(Synephrine)、橙皮苷(Hesperidin)，又稱維生素P，其中以川陳皮素帶來的養生效果最為顯著。
台灣香檬不怕蟲害（只怕天牛），所以很容易種植，它的防衛機制就在它的果皮上，可以保護裡面的籽，也可以給人類食用帶來益處。
有關「川陳皮素」的研究，始於西元兩千年，以日本的研究居多，研究人員一直想找出日本沖繩島大宜味村村民如此長壽的祕訣。
根據動物研究和試管研究的結果，發現台灣香檬對於健康，可能有下列好處：
一、有助於抗癌[9,14]（攝護腺癌[1]、皮膚癌[8]、乳癌[21,22,23]、肝癌[4]、胃癌[5]、大腸癌[2,3,6]和血癌[24]）
  • 川陳皮素似乎能夠啟動並加強身體的自我防衛機制，幫助身體對抗癌細胞。
  • 吃越多，效果越好（效果和劑量有關）。
二、有助於抗發炎[9,10,13,14]
有助於對抗肝病[25]、骨關節炎[8]、類風溼性關節炎[8]、氣喘[11]、曬傷[12]。
三、有助於降三高：高血壓、高血糖、高血脂
有助於降低血膽固醇[18]
四、有助於減肥（減少脂肪）[27]、預防骨質疏鬆[26]
五、有助於預防糖尿病[28,29]
六、有助於對抗神經性發炎：能逆轉老年失智症[15,16,17]
七、有助於對抗過敏：能減輕癢[20]
八、有助於改善青春痘[19]
以上研究，都是針對香檬果皮中萃取出來的川陳皮素，所以一定要設法食用果皮，但整顆果實都食用最好，因為果實內富含微量元素和植化素。
相關閱讀：
奇蹟食物「台灣香檬」(一)──每天喝30cc原汁自我保護 | 許惠珺 - vocus
2015年底，我們舉家從台北搬來台東長濱，想過自耕自食的田園生活。我們買下的這塊農地，有一座現成的台灣香檬果園，大約五十棵，果樹齡已有七年。當時我們並不在意這些果樹，也不認識台灣香檬是什麼。
奇蹟食物「台灣香檬」(二)──當台灣香檬果農也不是那麼容易 | 許惠珺 - vocus
台東長濱的氣候十分適合種植台灣香檬果樹，除了剛種下小苗時，需要澆水一陣子，等樹苗強壯之後，幾乎什麼都不用做，大約三四年後，就等著在產季收成。但是真的什麼都不用做嗎？是不用噴藥和施肥，但日常的照顧還是少不了，因為香檬屬於柑橘類，柑橘類果樹有個最可怕的天敵──天牛。天牛有多可怕呢？
以上資訊所參考的文獻如下：
1. Protective effects of citrus nobiletin and auraptene in transgenic rats developing adenocarcinoma of the prostate (TRAP) and human prostate carcinoma cells. Cancer Science. 2007 April;98(4):471-7
2. Citrus nobiletin inhibits azoxymethane-induced large bowel carcinogenesis in rats. Biofactors. 2004;22(1-4):111-4
3. Nobiletin, a citrus flavonoid, down-regulates matrix metalloproteinase-7 (matrilysin) expression in HT-29 human colorectal cancer cells. Bioscience Biotechnology and Biochemistry. 2005 February;69(2):307-14
4. Inhibition of cell proliferation by nobiletin, a dietary phytochemical, associated with apoptosis and characteristic gene expression, but lack of effect on early rat hepatocarcinogenesis in vivo. Cancer Science. 2004 Decemer;95(12):936-42
5. Anti-tumour effects of nobiletin, a citrus flavonoid, on gastric cancer include: antiproliferative effects, induction of apoptosis and cell cycle deregulation. Alimentary Pharmacology & Therapeutics. 2004 Jul;20 Suppl 1:95-101
6. Dietary administration of citrus nobiletin inhibits azoxymethane-induced colonic aberrant crypt foci in rats. Life Science. 2001 July 13;69(8):901-13
7. Inhibitory effect of citrus nobiletin on phorbol ester-induced skin inflammation, oxidative stress, and tumor promotion in mice Cancer Research. 2000 September 15;60(18):5059-66
8. A citrus flavonoid, nobiletin, suppresses production and gene expression of matrix metalloproteinase 9/gelatinase B in rabbit synovial fibroblasts. Journal of Rheumatoly. 2000 January;27(1):20-5
9. Anti-inflammatory property of the urinary metabolites of nobiletin in mouse. Bioorganic & Medicinal Chemistry Letters .2007 September 15;17(18):5177-81
10. Nobiletin from citrus fruit peel inhibits the DNA-binding activity of NF-kappaB and ROS production in LPS-activated RAW 264.7 cells. Journal of Ethnopharmacology. 2007 August15;113(1):149-55
11. Antagonistic effects of nobiletin, a polymethoxyflavonoid, on eosinophilic airway inflammation of asthmatic rats and relevant mechanisms. Life Science. 2006 May 1;78(23):2689-96
12. Prevention of UVB-induced photoinflammation and photoaging by a polymethoxy flavonoid, nobiletin, in human keratinocytes in vivo and in vitro. Biochemical Pharmacology. 2004 August 1;68(3):433-9.
13. Novel anti-inflammatory actions of nobiletin, a citrus polymethoxy flavonoid, on human synovial fibroblasts and mouse macrophages. Biochemical Pharmacology. 2003 June 15;65(12):2065-71
14. In vitro absorption and metabolism of nobiletin, a chemopreventive polymethoxyflavonoid in citrus fruits. Bioscience Biotechnology and Biochemistry. 2001 January;65(1):194-7
15. Nobiletin, a citrus flavonoid that improves memory impairment, rescues bulbectomy-induced cholinergic neurodegeneration in mice. Journal of Pharmacological Sciences. 2007 September;105(1):122-6
16. Nobiletin, a citrus flavonoid, reverses learning impairment associated with N-methyl-D-aspartate receptor antagonism by activation of extracellular signal-regulated kinase signaling. The Journal of Pharmacology and Experimental Therapeutics. 2007 May;321(2):784-90
17. Nobiletin restoring beta-amyloid-impaired CREB phosphorylation rescues memory deterioration in Alzheimer disease model rats. Neuroscience Letters. 2006 June 12;400(3):230-4
18. Nobiletin, a citrus flavonoid isolated from tangerines, selectively inhibits class A scavenger receptor-mediated metabolism of acetylated LDL by mouse macrophages. Atherosclerosis. 2005 January;178(1):25-32
19. A citrus polymethoxy flavonoid, nobiletin inhibits sebum production and sebocyte proliferation, and augments sebum excretion in hamsters. Journal of Investigative Dermatology. 2007 December;127(12):2740-8.
20. Nobiletin, a polymethoxy flavonoid, exerts anti-allergic effect by suppressing activation of phosphoinositide 3-kinase.
Journal of Functional Foods. Volume 6, January 2014, Pages 606–614.
21. Antiproliferative and apoptosis-inducing activity of nobiletin against three subtypes of human breast cancer cell lines.
Anticancer Res. 2014 Apr;34(4):1785-92.
22. Tangeretin and nobiletin induce G1 cell cycle arrest but not apoptosis in human breast and colon cancer cells.
Cancer Lett. 2007 Jun 18;251(1):168-78. Epub 2007 Jan 2.
23. Nobiletin suppresses cell viability through AKT Pathways in PC-3 and DU-145 prostate cancer cells
BMC Pharmacol Toxicol. 2014; 15: 59.
24. Nobiletin suppresses the proliferation and induces apoptosis involving MAPKs and caspase-8/-9/-3 signals in human acute myeloid leukemia cells.
Tumour Biol. 2014 Dec;35(12):11903-11. doi: 10.1007/s13277-014-2457-0. Epub 2014 Aug 28.
25. The Citrus Flavonoids Hesperetin and Nobiletin Differentially Regulate Low Density Lipoprotein Receptor Gene Transcription in HepG2 Liver Cells
J Nutr. 2008 Jul; 138(7): 1274–1281.
26. Nobiletin Prevents Body Weight Gain and Bone Loss in Ovariectomized C57BL/6J Mice
Pharmacology & Pharmacy, Vol.5 No.10, September 2014
27. Regulation of adipocytokine secretion and adipocyte hypertrophy by polymethoxyflavonoids, nobiletin and tangeretin
Life Sci. 2011 March 28;88(13-14):613-8.
28. Nobiletin Attenuates VLDL Overproduction, Dyslipidemia, and Atherosclerosis in Mice With Diet-Induced Insulin Resistance
Diabetes. 2011 May; 60(5): 1446–1457.
29. Nobiletin improves hyperglycemia and insulin resistance in obese diabetic ob/ob mice
Biochem Pharmacol. 2010 Jun 1;79(11):1674-83.
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