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<strong style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">生姜油(8007-08-7)的制备方法:</strong><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;"> <br />
由姜醇、龙脑、</span><a href="http://www.ichemistry.cn/chemistry/5392-40-5.htm" style="color: rgb(0, 0, 255); font-family: tahoma, arial, 宋体; font-size: 14px;" target="_blank">柠檬醛</a><span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">、甲基庚烯酮、姜酮、姜烯酚(Shogaol)、姜烯、</span><a href="http://www.ichemistry.cn/chemistry/7732-18-5.htm" style="color: rgb(0, 0, 255); font-family: tahoma, arial, 宋体; font-size: 14px;" target="_blank">水</a><span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">芹烯、壬醛等组成。</span><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;"> 以原产于牙买加、印度和我国等地的姜科多年生宿根草本植物姜的根茎为原料,经干燥、磨碎和水蒸气蒸馏而得,得油率约为1.5%~3.0%。也可用冷磨或冷榨法提取,得油率为0.27%~0.33%,且质量优于蒸馏法。</span><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<strong style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">质量指标(GB 8318-87):</strong><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;"> 色状为淡黄色至黄色液体;香气为具有生姜某些特征香气;酸值≤20;砷(以As计)≤0.0002%;重</span><a href="http://www.ichemistry.cn/chemistry/7440-57-5.htm" style="color: rgb(0, 0, 255); font-family: tahoma, arial, 宋体; font-size: 14px;" target="_blank">金</a><span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">属(以Pb计)≤0.001%;相对密度d</span><sub style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体;">25</sub><sup style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体;">25</sup><span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">0.870~0.882;折射率n</span><sub style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体;">D</sub><sup style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体;">20</sup><span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">1.488~1.494;比旋光度a</span><sub style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体;">D</sub><sup style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体;">20</sup><span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">-28°~-45°。</span><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<strong style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">限量:</strong><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;"> FEMA:饮料,17mg/kg;冷饮,20mg/kg;糖果,14mg/kg;焙烤食品,47mg/kg;调味料,13mg/kg;肉类制品,12mg/kg。</span><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<strong style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">安全性:</strong><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;"> 1.GRAS(FEMA;FDA,§182.20,2006)。</span><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;"> 2.PADI:6.154mg(FEMA)。</span><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<strong style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;">参考用量:</strong><br style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;" />
<span style="color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体; font-size: 14px;"> FEMA(1994):含醇饮料,11~15mg/kg;焙烤制品,21.8~36.9mg/kg;胶姆糖,32mg/kg;调味料,13~21.2mg/kg;冷饮,22.4~29.5mg/kg;凝胶、布丁,24.6~37.9mg/kg;硬糖,17.8~46mg/kg;肉制品,11.5~19.7mg/kg;无醇饮料,5.8~10.6mg/kg;软糖,16.4~27.6mg/kg。</span> |