基于色香味与质地的冻梨品质分析

王阳,王文辉,佟伟,贾晓辉,杜艳民

Quality Analysis of Frozen Pear Based on Color, Aroma, Taste and Texture

WANG Yang,WANG WenHui,TONG Wei,JIA XiaoHui,DU YanMin

表4 鲜尖把梨与冻尖把梨果皮及果肉香气成分

Table 4 Aroma components of fresh Jianbali and frozen Jianbali

香气成分 Aroma component 果皮中含量 Peel content (μg/100 g) 香气成分 Aroma component 果肉中含量 Flesh content (μg/100 g) 鲜尖把梨 Fresh Jianbali 冻尖把梨 Frozen Jianbali 鲜尖把梨肉 Fresh Jianbali 冻尖把梨肉 Frozen Jianbali 酯类 Lipids 乙酸乙酯 Ethyl acetate 1365.88±826.79a 1129.52±200.75b 乙酸甲酯 Methyl-2-ethylacetoacetate — 47.77±22.78 丙酸乙酯 Ethyl propionate 9.81±0.82a 8.34±1.86a 乙酸乙酯 Ethyl 2-phenylacetate 1202.12±217.45a 1099.42±5.15b 乙酸丙酯 Propyl acetate 8.07±3.90b 10.78±2.33a 丙酸乙酯 Ethyl propionate 10.14±2.30a 10.77±0.18a 丁酸甲酯 Methyl butyrate 9.96±3.98a 6.32±2.34b 乙酸丙酯 Propyl acetate 7.79±1.09b 15.08±1.45a 乙酸异丁酯 Isobutyl acetate 20.88±10.40 — 丁酸甲酯 Methyl butyrate 7.55±1.03 — 丁酸乙酯 Ethyl butyrate 113.21±65.62a 45.90±9.03b 2-甲基丁酸甲酯 Methyl 2-methylbutyrate — 36.37±3.06 乙酸丁酯 Butyl acetate 46.64±2.29a 40.51±1.95b 丁酸乙酯 Ethyl butyrate 87.06±17.42a 74.33±8.30b 2-甲基丁酸乙酯 Ethyl 2-methylbutanoate 93.92±59.87a 70.42±14.81b 乙酸丁酯 Butyl acetate 44.33±9.09b 76.25±4.38a 乙酸异戊酯 Isoamyl acetate 12.30±1.03a 10.70±1.09a 甲基丁酸乙酯 Ethyl 2-methylbutanoate 55.67±13.85b 149.99±9.00a 2-甲基丁基酸乙酯2-Methylbutylacetat 24.31±1.58b 29.69±2.23a 乙酸异戊酯 Isoamyl acetate 5.95±1.74b 18.25±1.11a 己酸甲酯 Methyl hexoate 49.81±16.20 — 2-甲基丁基乙酸酯2-Methylbutylacetat 19.62±1.79b 60.70±7.35a 己酸乙酯 Ethyl hexanoate 89.98±55.41a 23.49±6.33b 己酸乙酯 Ethyl hexanoate 18.82±4.08a 17.94±4.34a 3-羟基丁酸乙酯 Ethyl-3-hydroxybutyrate 8.00±3.28a 8.03±1.51a 羟基丁酸乙酯 Ethyl-3-hydroxybutyrate — 5.79±0.54 乙酸己酯 Hexyl acetate 152.77±66.20a 27.76±3.77b 乙酸己酯 Hexyl acetate 26.49±9.79b 58.54±6.01a 辛酸甲酯 Methyl octylate 52.09±11.55a 11.08±3.94b 3-羟基己酸乙酯 Ethyl 3-hydroxyhexanoate 15.66±3.12a 12.35±1.22a 辛酸乙酯 Ethyl caprylate 47.22±6.32a 24.82±6.55b 辛烯酸乙酯 Ethyl 2-octenoate 16.29±8.33 — 2,4-癸二烯酸乙酯 Ethyl (2E,4Z)-deca-2, 4-dienoate 24.77±11.39a 13.69±5.60b 醛类 Aldehydes 2-甲基丁醛 2-Methylbutanal — 10.90±3.03 正己醛 Hexanal 1146.59±34.75a 53.54±12.23b 戊醛 Valeraldehyde 5.83±1.02 — 己烯醛 Trans-2-hexenal 142.74±32.14 — -2-庚烯醛 Heptenal 42.70±21.95 — 反-2-辛烯醛 (2E)-2-Octenal 14.92±3.04a 13.48±2.62a 壬醛 Nonanal 5.85±1.73b 10.51±2.79a 其他 Other 正己醇 Hexanol 128.94±45.88a 44.03±11.98b 正己醇 Hexanol — 49.44±4.93 3-羟基-2-丁酮 Acetoin — 130.72±27.21 3-羟基-2-丁酮 Acetoin — 89.72±2.68 甲基庚烯酮6-Methylhept-5-en-2-one 631.22±193.48a 230.29±49.68b 香叶基丙酮 Geranylacetone — 8.83±3.01