两种金花茶香气成分的对比分析
Modern Food Science and Technology(2013)
Abstract
对两种金花茶的生化成分进行了对比分析,结果表明普通金花茶的含水量、水浸出物、总黄酮、水溶性糖的含量分别为6.18%、30.16%、0.214%、10.09%,而显脉金花茶的对应含量则为10.06%、18.97%、0.445%、3.69%.普通金花茶的游离氨基酸为6.5014 mg/g,显脉金花茶游离氨基酸的含量为1.2575 mg/g.二者茶多酚的含量均较少,总体上是显脉金花茶多于普通金花茶.在香气成分上,普通金花茶鉴定出45种,而显脉金花茶则只有26种.由上面的对比可以看出普通金花茶与显脉金花茶的差异性还是很大,普通金花茶的开发价值更大.
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Key words
Aroma compositions,Camellia chrysantha (Hu) Tuyama,Free amino acid,Total flavonoids
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