海巴戟天(Morinda citrifolia)，屬於茜草科（Rubiaceae），其俗名為Noni，主產於夏威夷群島、大溪地與熱帶亞洲國家，依據民間傳統療法的資料顯示，海巴戟天的樹皮、莖、根、葉、果皆可調製，相傳有糖尿病、高血壓與癌症的預防及治療等醫療保健功效。本研究的目的是評估海巴戟天葉粗萃取物在保護生物細胞膜免於氧化性傷害之能力，本實驗結果顯示海巴戟天葉之絕對酒精粗萃取物對 LYD 三品系肉猪肝臟微粒體脂質過氧化具有顯著性的抑制能力，此結果可能與其清除氫氧自由基的能力為主有關，並與多酚類物質相關。 Morinda citrifolia（Rubiaceae）, commonly
known as Noni, is a plant typically found in the
Hawaiian, Tahitian and tropical Asia. The bark,
stem, roots, leaves, and fruits have been used
traditionally as a folk remedy for many diseases
including diabetes, hypertension, and cancer.
This study was to prove the leaves of Noni
crude extracts in the protection ability of
biological cell membrane which were attacted
by oxidative damage. The results indicated that
the absolute ethanol extracts of Noni’s leaves
display significantly the inhibition ability of
lipid peroxidation of microsomes from LYD pig
liver. The scavenging mechanism of the
absolute ethanol extracts of Noni’s leaves might
have relation with hydroxyl radical. The
antioxidant components might be attributed to
higher content of polyphenolic compounds.
