国产欧美精品一区二区-国产欧美精品一区二区三区-国产欧美精品一区二区三区-老狼-国产欧美精品一区二区三区–老狼-热99re久久精品精品免费-热99re久久精品天堂vr

產(chǎn)品目錄
服務熱線:010-83993593
手機號碼:13810615661
地 址:北京市西城區(qū)廣安門外大街168號朗琴國際大廈B座603室
資料下載
當前位置:首頁 > 資料下載 > Determination of Ginseng with Different Ages Using a Taste-Sensing System
Determination of Ginseng with Different Ages Using a Taste-Sensing System

資料大小: 下載次數(shù): 849
點擊次數(shù): 3070 圖片類型:
文件下載    
 

 In the medicinal herb market, adulteration of ginseng at different ages is commonly

observed, which harms the health of consumers. Changes in the taste properties of

ginseng at different ages were investigated using an inligent taste-sensing system

with artificial lipid-based membrane sensors and an ultraviolet spectrophotometer. It

was found that the ginsenoside content increased linearly with increasing age, with the

determination coefficient (R2) reaching 0.951. Results from the taste-sensing system

provided rich information for the tested ginseng samples. The radar curve of taste value

indicated that ginseng samples of different ages showed various taste characteristics

and some certain tendencies. A linear correlation was established between ginseng

age and the taste values of sourness, saltiness, and umami, with the determination

coefficients (R2) being 0.941, 0.943, and 0.974 respectively. Taste data were analyzed

using principal component analysis (PCA) and discriminant function analysis (DFA). A

difference was obtained among groups with the first two PCs reaching 92.25%. While

in DFA a significant difference was observed with the first two function scores reaching

99.4%. From the viewpoint of sensor response, the responses of the umami sensor AAE,

saltiness sensor CTO, and sourness sensor CAO increased over the first 30 s, while those

of the bitterness sensor COO and astringency sensor AE1 decreased and remained at

maximum in the negative value continuously, which provided additional information for

the determination of ginseng samples at different ages. On the basis of integrated and

special taste information, the ginseng growing year might be identified from the taste

evaluation angles. A flow chart for further research on the taste features was suggested.

This study intimated possible indexes for determining adulteration of ginseng at different

ages by using an inligent taste-sensing system.

 

分享到:

加入收藏 | 返回列表 | 返回頂部
北京盈盛恒泰科技有限責任公司版權所有|京ICP備09053995號-5
公司為您推薦電子鼻,電子舌,質(zhì)構儀,脂肪儀,VELP脂肪測定儀,膳食纖維測定儀等系列產(chǎn)品
GoogleSitemap
主站蜘蛛池模板: 久热精品在线视频 | 日本精品免费 | 丝袜美腿视频一区二区三区 | 国产手机精品自拍视频 | 中文字幕 在线观看 | 97在线免费观看视频 | 四虎成人在线 | 免费99视频有精品视频高清 | 国产小视频在线免费观看 | 全黄a免费一级毛片人人爱 全国最大色成免费网站 | 国产欧美精品一区二区三区四区 | 老汉tv永久视频福利在线观看 | 日韩一级在线观看 | 欧美一级在线视频 | 亚洲精品自在在线观看 | 国产精品一级二级三级 | 免费欧洲毛片a级视频老妇女 | 亚洲欧美国产一区二区三区 | 亚洲精品永久www忘忧草 | 婷婷丁香色综合狠狠色 | 国产中文字幕一区 | jizz破处| 亚洲成人一级片 | 四虎精品免费久久 | 啦啦啦在线观看免费观看4 啦啦啦手机在线播放视频 啦啦啦视频在线视频免费4 | 精品一区二区三区四区五区 | 我不卡影院在线观看 | 久久99国产精一区二区三区 | 国产h视频在线观看免费 | aaa毛片在线 | 办公室被老板调教bd | 两个人的视频全免费观看在线 | 日韩新片王网 | 日本欧美强乱视频在线 | 日韩在线 中文字幕 | 男人的天堂久久 | 成人免费黄色网 | 中文在线免费不卡视频 | 色免费在线 | 他是谁电视剧免费观看 天堂 | 日本高清中文字幕视频在线 |