Effects of Codonopsis pilosula Dosage on Qualities of Babao Tea
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摘要: 研究纹党参剂量对八宝茶品质的影响。在八宝茶中添加纹党参5、10和15 g/份,以未添加纹党参的八宝茶作为对照组,比较纹党参八宝茶的颜色、可溶性固形物含量、风味、滋味和感官评价得分等品质特征。结果显示纹党参八宝茶呈现红色偏黄的颜色。随着剂量提高,纹党参八宝茶的颜色变黄,可溶性固形物含量提高,其中,添加纹党参10和15 g八宝茶中的可溶性固形物含量显著性高于对照组(P<0.05)。纹党参八宝茶的甜味、苦味和咸味随纹党参剂量的增加而减弱,而酸味呈现增强趋势。其中,甜味、酸味、鲜味、苦味回味和鲜味回味是造成纹党参八宝茶滋味差异的主要原因。其中,纹党参10 g/份剂量组八宝茶的甜味和香气明显优于对照组和其它各组,表现出纹党参原有的味道,并且与八宝茶的茶香融合,感官得分比对照组提高了35%。因此,适当剂量的纹党参可以提高八宝茶的品质。Abstract: The effects of Codonopsis pilosula dosage on qualities of Babao tea was evaluated. The Codonopsis pilosula dosage of 5, 10 and 15 g were applied to the Babao tea, and the color, soluble solid content, flavor, taste, and sensory evaluation of the tea were compared with the tea without Codonopsis pilosula as the control. Codonopsis pilosula Babao tea was red with a little yellow. When the dosage of Codonopsis pilosula was increased, the color of the tea turned yellow, and the soluble solid content was increased. The soluble solid content of the tea with 10 and 15 g of Codonopsis pilosula was significant higher than that of the control (P<0.05). The sweetness, bitterness and saltiness of the tea decreased with the increase of the dosage, while the acidity increased. The sweetness, sourness, umami, bitter aftertaste, and fresh aftertaste were the key factors leading to the taste differences of the Babao tea. The sweetness and aroma of Babao tea with the dosage of 10 g was significantly better than those in the control and other dosages, showing the original taste of Codonopsis pilosula, and integrating with the tea aroma of Babao tea. The sensory score of the dosage of 10 g was 35% higher than that of the control. Therefore, a proper dosage of Codonopsis pilosula benefited qualities of Babao tea.
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Key words:
- Codonopsis pilosula /
- Babao tea /
- flavor /
- aroma /
- bitterness /
- sweetness
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表 1 风味传感器阵列性能描述
Table 1. Flavor sensor array performance description
阵列序号 传感器名称 性能描述 1 W1C 对芳香成分灵敏,苯类 2 W5S 对氮氧化合物很灵敏 3 W3C 对芳香成分灵敏,氨类 4 W6S 对氢化物灵敏 5 W5C 对短链烷烃芳香成分灵敏 6 W1S 对甲基类灵敏 7 W1W 对硫化物灵敏 8 W2S 对醇类、醛酮类灵敏 9 W2W 对芳香成分、有机硫化物灵敏 10 W3S 对长链烷烃灵敏 表 2 感官品质评价标准
Table 2. Sensory quality evaluation criteria
评分(分) 口感 甜味 香气 颜色 8~9 具有茶叶特征涩味,纹党参苦涩味较弱 蔗糖的甘甜和纹党参的回甘味显著 茶香和纹党参甘甜浓郁 金黄色、澄清透明 6~7 具有茶叶特征涩味,纹党参苦涩味明显 蔗糖的甘甜和纹党参的回甘味明显 茶香和纹党参甘甜明显 金黄色,透明度低 4~5 具有茶叶特征涩味不明显,纹党参苦涩味明显 蔗糖的甘甜明显,纹党参的回甘味不明显 茶香明显、具有纹党参的土腥味 暗黄色、略浑浊 2~3 纹党参苦涩味明显 蔗糖的甘甜不明显,纹党参的回甘味不明显 茶香和纹党参的土腥味明显 暗黄色、浑浊 0~1 纹党参苦涩味显著 蔗糖的甘甜不明显,无纹党参回甘味 纹党参的土腥味明显 深黄色、非常浑浊 表 3 纹党参剂量对八宝茶各处理组颜色的影响
Table 3. Effects of Codonopsis pilosula dosage on color of Babao tea each treatment
组别 L* a* b* C hº 对照组 93.97±0.20b −0.31±0.05a 18.94±0.29a 90.95±0.18a 18.93±0.10a 纹党参-5 91.91±0.02a 0.03±0.01d 20.31±0.02b 90.66±0.39a 21.93±0.12ab 纹党参-10 93.16±0.02b −0.22±0.00b 21.93±0.21c 89.92±0.29a 20.08±0.23ab 纹党参-15 92.30±0.31b −0.13±0.08c 23.05±0.01d 90.35±0.15a 23.05±0.19b 注:同列不同小写字母表示具有显著性差异(P<0.05),表4同。 表 4 纹党参剂量对八宝茶滋味的影响
Table 4. Effect of Codonopsis pilosula dosage on taste of Babao tea
组别 甜味 苦味 苦味回味 涩味 涩味回味 鲜味 鲜味回味 咸味 酸味 对照组 14.52±0.29b 9.41±0.13c −0.36±0.03b 3.10±0.96a 7.51±0.20a 9.30±0.11b 2.61±0.22ab 7.21±0.36c 30.07±0.21a 纹党参-5 14.20±0.07b 8.26±0.09b −0.16±0.05c 9.32±0.44d 9.96±0.25c 7.76±0.53a 2.77±0.03b 5.73±0.39b 31.25±0.06b 纹党参-10 11.26±1.44a 7.63±0.14a −0.33±0.01b 6.90±0.98c 8.69±0.42b 9.40±0.05b 2.70±0.16b 3.48±0.35a 31.77±0.05b 纹党参-15 10.99±0.19a 7.96±0.08a −0.45±0.05a 4.60±0.67b 8.00±0.23b 10.29±0.05c 2.46±0.17a 3.50±0.37a 34.73±0.10c 表 5 纹党参剂量对八宝茶感官评分的影响(分)
Table 5. Effect of Codonopsis pilosula dosage on sensory score of Babao tea (score)
组别 口感 甜味 香气 颜色 感官得分 对照组 7.0 5.0 5.0 7.0 6.0 纹党参-5 8.0 5.0 7.0 8.0 6.7 纹党参-10 8.0 8.0 9.0 8.0 8.1 纹党参-15 3.0 3.0 1.0 5.0 3.0 表 6 纹党参八宝茶滋味与可溶性固形物含量和感官得分的相关系数矩阵
Table 6. Correlation coefficient matrix of the taste and soluble solid content and sensory score of Codonopsis pilosula Babao tea
注:红色的表格代表特征间具有正相关性;蓝色的表格代表特征间具有负相关性;颜色的饱和度越高代表相关系数绝对值越大。 -
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