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題 名 | High Performance Liquid Chromatographic Determination of Anthocyanin Pigments in Some Varieties of Black Rice=高效液相層析探討黑米之花青素 |
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作 者 | 何其儻; | 書刊名 | 藥物食品分析 |
卷 期 | 6:4 1998.12[民87.12] |
頁 次 | 頁729-736 |
分類號 | 412.37 |
關鍵詞 | 花青素; 黑米; 高效液相層析; Anthocyanins; Pigmented rice; Black rice; Cyanidin 3-glucoside; Peonidin 3-glucoside; HPLC analysis; |
語 文 | 英文(English) |
英文摘要 | Anthocyanin pigments in ten pigmented rice cultivars were isolated with cellulose thin-layer chromatography and preparative high performance liquid chromatography (HPLC), and further identified with conventional chromatographic techniques. Individual anthocyanins were then quantified by HPLC using a reversed ODS-5 column and detected at 280 nm. Ten rice varieties contained two major anthocyanins, cyanidin 3-glucoside and peonidin 3-glucoside. Total anthocyanin contents varied greatly in the range of 0-493 mg/100 g grain among varieties. Cyanidin 3-glucoside, an agent having important oxygen radical absorbing capacity (ORAC), was most abundant in Suwon #415 variety (470 mg/100 g grain), while Jawangdo (10 mg/100 g grain) and Ilpumbyeo (not detected) had the smallest amount of anthocyanin among the samples examined. As for the distribution ratio of individual anthocyanin, Suwon #415 was characterized by a relatively high percentage of cyanidin 3-glucoside (95.3%); whereas, Suwon #425 and Heugjinmi were characterized by a relatively larger amount of peonidin 3-glucoside. |
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