Ten different samples of five Hypericum sp. were tested on brine shrimps, human colon carcinoma and human hepatoma cell lines for their cytotoxic activities. H. triquetrifolium Turra. (Rafina) showed the highest activity (LC50 = 22 mg/mL) on brine shrimps, while the extracts of the other nine samples showed significant to moderate activities (LC50 from 37 to 107 mg/mL). H. empetrifolium Wild. (Parnon) showed the highest activity in human colon carcinoma and human hepatoma cell lines, with LC50 values 29 and 25.1 mg/mL, respectively, while the LC50 values of the other samples were more than 45 mg/mL. It is very interesting to observe that most Hypericum samples showed good antioxidant activity in vitro. Copyright (C) 2002 John Wiley Sons, Ltd.
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Chiang Mai Univ, Fac Sci, Ctr Excellence Bioresources Agr Ind & Med, Dept Biol, Chiang Mai 50202, ThailandChiang Mai Univ, Fac Sci, Ctr Excellence Bioresources Agr Ind & Med, Dept Biol, Chiang Mai 50202, Thailand
Pumiputavon, Kitti
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Chaowasku, Tanawat
Saenjum, Chalermpong
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Chiang Mai Univ, Fac Pharm, Dept Pharmaceut Sci, Chiang Mai 50202, ThailandChiang Mai Univ, Fac Sci, Ctr Excellence Bioresources Agr Ind & Med, Dept Biol, Chiang Mai 50202, Thailand
Saenjum, Chalermpong
Osathanunkul, Maslin
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Chiang Mai Univ, Fac Sci, Ctr Excellence Bioresources Agr Ind & Med, Dept Biol, Chiang Mai 50202, ThailandChiang Mai Univ, Fac Sci, Ctr Excellence Bioresources Agr Ind & Med, Dept Biol, Chiang Mai 50202, Thailand
Osathanunkul, Maslin
Wungsintaweekul, Boonsong
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Walailak Univ, Sch Pharm, Nakhon Si Thammarat 80160, ThailandChiang Mai Univ, Fac Sci, Ctr Excellence Bioresources Agr Ind & Med, Dept Biol, Chiang Mai 50202, Thailand
Wungsintaweekul, Boonsong
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Chawansuntati, Kriangkrai
Lithanatudom, Pathrapol
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Chiang Mai Univ, Fac Sci, Ctr Excellence Bioresources Agr Ind & Med, Dept Biol, Chiang Mai 50202, ThailandChiang Mai Univ, Fac Sci, Ctr Excellence Bioresources Agr Ind & Med, Dept Biol, Chiang Mai 50202, Thailand
Lithanatudom, Pathrapol
Wipasa, Jiraprapa
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Chiang Mai Univ, Res Inst Hlth Sci, Chiang Mai 50202, ThailandChiang Mai Univ, Fac Sci, Ctr Excellence Bioresources Agr Ind & Med, Dept Biol, Chiang Mai 50202, Thailand
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Univ Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, ItalyUniv Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, Italy
Dhanya, Dhanyalayam
Giuseppe, Palma
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Fdn G Pascale, IRCCS, Ist Nazl Tumori, SSD Sperimentaz Anim, Via M Semmola, I-80131 Naples, NA, ItalyUniv Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, Italy
Giuseppe, Palma
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Rita, Cappello A.
Annaluisa, Mariconda
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Univ Salerno, Dept Chem & Biol, I-84084 Fisciano, SA, ItalyUniv Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, Italy
Annaluisa, Mariconda
Stefaniaa, Sinicropi M.
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Univ Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, ItalyUniv Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, Italy
Stefaniaa, Sinicropi M.
Francesca, Giordano
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Univ Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, ItalyUniv Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, Italy
Francesca, Giordano
Vitale, Del V.
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Fdn G Pascale, IRCCS, Ist Nazl Tumori, SSD Sperimentaz Anim, Via M Semmola, I-80131 Naples, NA, ItalyUniv Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, Italy
Vitale, Del V.
Anna, Ramunno
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Univ Salerno, Dept Pharmaceut & Biomed Sci, I-84084 Fisciano, SA, ItalyUniv Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, Italy
Anna, Ramunno
Claudio, Arra
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Fdn G Pascale, IRCCS, Ist Nazl Tumori, SSD Sperimentaz Anim, Via M Semmola, I-80131 Naples, NA, ItalyUniv Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, Italy
Claudio, Arra
Pasquale, Longo
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Univ Salerno, Dept Chem & Biol, I-84084 Fisciano, SA, ItalyUniv Calabria, Dept Pharm Hlth & Nutrit Sci, Via Pietro Bucci,Edificio Polifunz, I-87036 Arcavacata Di Rende, CS, Italy