MİNERAL MADDE KAYNAĞI OLARAK BAZI BİTKİ VE BİTKİ ÇAYLARININ ARAŞTIRMASI

Pek çok bitki çayının sağlık üzerine olumlu etkilere sahip olduğu bilinmektedir. Fakat mineral madde içerikleri hakkında sınırlı sayıda çalışma bulunmaktadır. Bu çalışmada Türkiye'de tıbbi amaçlarla kullanılan kekik (Thymus vulgaris L.), nane (Mentha piperita), sinameki (Cassia angustifolia), biberiye (Rosmarinus officinalis), rezene (Foeniculum vulgare), papatya (Matricaria chamomilla), ıhlamur (Tilia vulgaris), adaçayı (Salvia officinalis), yeşilçay (Camellia sinensis) ve ısırgan otu (Urtica dioical) bitkisinin ve bunlardan infüzyon yöntemiyle elde edilen çayların mineral madde içerikleri (Zn, Mn, Na, K, Cu, Ca, Fe, Mg ve P) araştırılmıştır. Mineral maddelerin infüzyon yöntemiyle bitki çayına ekstrakte edilme oranları tespit edilmiştir. Bitki ve bitki çaylarının mineral madde içerikleri geniş bir aralıkta değişkenlik göstermiştir. Mineral maddelerin ekstrakte edilebilirliği % 41,57 - % 60,37 arasında değişmiştir. Ekstrakte edilebilirliği en yüksek olan mineral K (% 32,73 - % 70,69), en düşük olan ise Fe (% 12,05 - % 0,39) olarak belirlenmiştir. Düzenli bitki çayı tüketimiyle, günlük mineral ihtiyacını karşılamaya katkı sağlanabilir.

Anahtar Kelimeler:

bitki, bitki çayı, infüzyon yöntemi, mineral madde

INVESTIGATION OF SOME HERBS AND THEIR INFUSIONS AS MINERAL RESOURCES

Many herbal teas are known to have positive health effects. However, there are limited studies on their mineral contents. In this study, the mineral contents (Zn, Mn, Na, K, Cl, Ca, Fe, Mg and P) of thyme (Thymus vulgaris L.), mint (Mentha piperita), senna (Cassia angustifolia), rosemary (Rosmarinus officinalis), fennel (Foeniculum vulgare), chamomile (Matricaria chamomilla), linden (Tilia vulgaris), sage (Salvia officinalis), greens (Camellia sinensis) and nettle (Urtica dioical) herbs used for medicinal purposes in Turkey and their infusions were investigated. The extraction rate of minerals into herbal tea by infusion method was determined. The mineral contents of herbs and their infusions showed a wide variability. The extractability of minerals varied between 41.57 % and 60.37 %. The mineral with the highest extractability was K (32.73 % -70.69 %) and the lowest one was Fe (12.05 % - 0.39 %). Regular herbal tea consumption can contribute to meeting the daily mineral requirements.

Keywords:

Herb, herbal tea, infusion method, mineral,

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