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为了对毛霉型豆豉发酵过程中风味进行综合评价,本试验采用顶空固相微萃取/气相色谱-质谱法(HS-SPME/GC-MS)结合电子鼻、电子舌对其发酵过程进行研究。结果表明,毛霉型豆豉不同发酵时期的11个样品共鉴定出68种挥发性风味成分,其中包括酯类18种、醛类7种、酸类3种、醇类26种、酮类4种、其他类10种。挥发性风味成分的种类由前发酵的15种上升至豆豉发酵成熟时(35~42 d)的31种,含量由前发...
HS-SPME-GC/MS分析两种萨拉米香肠中挥发性化合物。
HS-SPME/GC/MS profiles of convectively and microwave roasted Ivory Coast Robusta coffee brews
coffee brew HS-SPME/GC/MS roasting, microwaves volatile compounds
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2014/2/25
Robusta coffee beans were convectively, microwave, and convectively-microwave heated at 230°C, 700 W, and 230°C/700 W (coupled heating), respectively, over periods of time ensuring the optimum sensory...
Determination of Sterols in Dairy Products and Vegetable Fats by HPLC and GC Methods
cholesterol sterols milk dairy products RP HPLC GC
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2014/3/10
Cholesterol concentrations in goat milk, goat milk cheeses, ewe’s milk, ewes milk cheeses, dairy bioproducts, and concentrations of cholesterol, stigmasterol and sitosterol in butter, butter with adde...