 | 北京盈盛恒泰科技有限責(zé)任公司 |
19
13810615661
當(dāng)前位置：首頁>>技術(shù)中心>>資料下載>>Predicting Sensory Quality of Longjing Tea on the Basis of Physiochemical Data
在線溝通：
市場部 （市場部經(jīng)理）
- 電話：
- 010-83993593
- 手機(jī)：
- 13810615661
- 傳真：
- 010-83993562
- 聯(lián)系我時，
- 告知來自化工儀器網(wǎng)
- 個性化：
- www.ensoultech.com
- 手機(jī)站：
- m.ensoultech.com
- 商鋪網(wǎng)址：
- http://www.mtfinger.com/st7254/
- 公司網(wǎng)站：
- http://www.ensoultech.com
Predicting Sensory Quality of Longjing Tea on the Basis of Physiochemical Data
閱讀：2967發(fā)布時間：2013-05-14
| 提 供 商： | 北京盈盛恒泰科技有限責(zé)任公司 | 資料大?。?/th> | 1.1MB |
|---|---|---|---|
| 資料圖片： | 下載次數(shù)： | 1053次 | |
| 資料類型： |
PDF 文件  |
瀏覽次數(shù)： | 2967次 |
詳細(xì)介紹
Sensory evaluation can provide integrated, direct measurements of the perceived
quality of food products. However, a sensory panel is subjective and suffers from
inconsistency and inaccuracy. In this paper, we propose a sensory evaluation simulation
model for Longjing tea （a Chinese brand of green tea）. The physiochemical quality
indicators of Longjing tea were determined by instrumental analysis, including color,
aroma, and taste. Meanwhile, the sensory quality of the tea was evaluated by an expert
sensory panel. An artificial neural network was conducted to approximay predict
sensory evaluation scores on the basis of physiochemical data. The results showed
that physiochemical factors, including hue, fluorescence peak 5, hue chromascale, b,
L, 3-（methylthio） propionaldehyde, α-terpineol, linalool, dimethyl sulfide, total aroma
value, caffeine, quinic acid, theanin, gallic acid and total catechins were best correlated
with sensory evaluation scores. Furthermore, physiochemical features that were chosen
according to important factor weights were used to classify Longjing tea into two grades.
Experimental results demonstrated that instrumental analysis could be complementarily
used in the evaluation and control of sensory quality by establishing a reasonable
sensory-instrument correlation and human-simulated predictive model.
北京盈盛恒泰科技有限責(zé)任公司主營產(chǎn)品：電子鼻,電子舌,質(zhì)構(gòu)儀,脂肪儀
化工儀器網(wǎng) 設(shè)計(jì)制作，未經(jīng)允許翻錄必究.Copyright(C) http://www.mtfinger.com, All rights reserved.
以上信息由企業(yè)自行提供，信息內(nèi)容的真實(shí)性、準(zhǔn)確性和合法性由相關(guān)企業(yè)負(fù)責(zé)，化工儀器網(wǎng)對此不承擔(dān)任何保證責(zé)任。 溫馨提示：為規(guī)避購買風(fēng)險，建議您在購買產(chǎn)品前務(wù)必確認(rèn)供應(yīng)商資質(zhì)及產(chǎn)品質(zhì)量。