发芽及挤压膨化对糙米挥发性风味物质的影响

陈焱芳,张名位,张雁,邓媛元,魏振承,唐小俊,刘光,李萍

Effects of Germination and Extrusion on Volatile Flavor Compounds in Brown Rice

CHEN YanFang,ZHANG MingWei,ZHANG Yan,DENG YuanYuan,WEI ZhenCheng,TANG XiaoJun,LIU Guang,LI Ping

表3 主成分载荷系数

Table 3 Principal component load factor

编号 Number 化合物 Compounds 主成分1 Principal component 1 主成分2 Principal component 2 醛类 Aldehydes A1 3-甲基丁醛 Butanal, 3-methyl- 0.762 0.642 A2 戊醛 Pentanal 0.557 0.825 A3 己醛 Hexanal 0.859 0.509 A4 庚醛 Heptanal 0.976 -0.171 A5 苯甲醛 Benzaldehyde 0.975 0.218 A6 壬醛 Nonanal 0.993 -0.006 A7 癸醛 Decanal -0.282 0.937 醇类 Alcohols B1 正丁醇 1-Butanol -0.09 0.988 B2 3-甲基丁醇 1-Butanol, 3-methyl- 0.936 -0.06 B3 正己醇 1-Hexanol 0.827 -0.32 B4 1-辛烯-3-醇 1-Octen-3-ol -0.997 -0.071 B5 2-乙基-1-己醇 1-Hexanol, 2-ethyl- 0.983 -0.182 萜烯类与酯类Terpenes and Esters C1 α-蒎烯 α-Pinene 0.636 0.772 C2 4-乙基己烯 1-Hexene, 4-ethyl- 0.148 -0.888 C3 β-蒎烯 β-Pinene -0.597 0.557 C4 D-柠檬烯 D-Limonene -0.072 -0.997 C5 对薄荷-1(7),3-二烯 β-Terpinene 0.742 0.668 D1 乙酸乙酯 Ethyl acetate 0.994 0.069 D2 乙酸丁酯 Acetic acid, butyl ester 0.986 -0.074 其他Others E1 甲苯 Toluene 0.973 -0.149 E2 乙苯 Ethylbenzene 0.968 0.093 E3 对二甲苯 p-Xylene 0.989 0.143 E4 邻二甲苯 o-Xylene 0.922 0.315 F1 吡啶Pyridine 0.951 -0.271 F2 2-乙酰-1-吡咯啉 2-Acetyl-1-pyrroline 0.949 -0.202 F3 2-戊基呋喃 Furan, 2-pentyl- 0.951 -0.271 G1 二甲基硫醚 Dimethyl sulfide -0.135 0.991 G2 正丁醚 n-Butyl ether 0.596 0.775