Rodov V, Vinokur Y, Gogia N, Chkhikvishvili I
Department of Postharvest Science of Fresh Produce, ARO - The Volcani Center, Bet Dagan, Israel.
Georgian Med News. 2010 Feb(179):61-6.
Georgian cuisine is famous for its spices for meat dishes. Many spices are rich in polyphenols and other antioxidants that reduce the formation of carcinogenic products during thermal processing of meat and counteract its adverse health effects. In spite of the relative popularity of meat dishes, Georgia is characterized by low incidence of the colorectal cancer. We suggest that this phenomenon may be at least partially related to antioxidant-rich spices and other products of plant origin copiously used in Georgian cuisine during preparation and consumption of meat. The present study characterized the content of phenolic compounds and antioxidant capacities of hydrophilic and lipophilic fractions from commercial samples of Georgian spices. Hydrophilic antioxidant capacity and total content of phenolic compounds in the spices were closely correlated. High values of the both parameters were found in kviteli kvavili (marigold, Tagetes patula L.), kondari (summer savory, Satureja hortensis L.) and kotsakhuri (barberry, Berberis vulgaris L.), as well as in kvliavi (caraway, Carum carvi L.) and tsiteli tsitsaka (red pepper, Capsicum annuum L.). High lipophilic activity was revealed in the red pepper and especially in kviteli kvavili (marigold). The analysis of the active principles of the spices and their mode of action is in progress.
格鲁吉亚美食以其用于肉类菜肴的香料而闻名。许多香料富含多酚和其他抗氧化剂,这些物质可减少肉类热加工过程中致癌产物的形成,并抵消其对健康的不利影响。尽管肉类菜肴相对受欢迎,但格鲁吉亚的特点是结直肠癌发病率较低。我们认为,这种现象可能至少部分与格鲁吉亚美食在肉类制备和食用过程中大量使用的富含抗氧化剂的香料及其他植物源产品有关。本研究对格鲁吉亚香料商业样品中亲水性和亲脂性部分的酚类化合物含量及抗氧化能力进行了表征。香料中的亲水性抗氧化能力和酚类化合物总含量密切相关。在金盏花(万寿菊,孔雀草)、夏香薄荷、伏牛花(伏牛花,伏牛花属)以及香菜和红辣椒中发现这两个参数的值都很高。红辣椒尤其是金盏花表现出较高的亲脂活性。对香料的活性成分及其作用方式的分析正在进行中。