《食品化学与分析 Food Chemistry and Analysis》课程PPT教学课件（英文版）Protein

Aliphatic Amino Acids Glycine (GLY) (a - amino ethanoate) NH3 + C COO￾H H Alanine (ALA) (a - amino propionate) NH3 + C COO￾H CH3

Aliphatic Amino Acids Glycine (GLY) (a - amino ethanoate) NH3 + C COO￾H H Alanine (ALA) (a - amino propionate) NH3 + C COO￾H CH3

Aliphatic Amino Acids Valine (VAL) (a - amino isovalerate) Leucine (LEU) (a - amino isocaproate) NH3 + C COO￾H CH CH3 CH3 NH3 + C COO￾H CH CH3 CH3 CH2

Aliphatic Amino Acids Valine (VAL) (a - amino isovalerate) Leucine (LEU) (a - amino isocaproate) NH3 + C COO￾H CH CH3 CH3 NH3 + C COO￾H CH CH3 CH3 CH2

Aliphatic Amino Acids Isoleucine (ILE) (a - amino b - methyl-valerate) NH3 + C COO￾H CH CH3 CH2 CH3 CH2

Aliphatic Amino Acids Isoleucine (ILE) (a - amino b - methyl-valerate) NH3 + C COO￾H CH CH3 CH2 CH3 CH2

Amino Acids with Alcohol Serine (SER) (a - amino b - hydroxy propionate) Threonine (THR) (a - amino b - hydroxy butyrate) NH3 + C COO￾H CH2 OH N H3 + C COO￾H CH3 CH O H

Amino Acids with Alcohol Serine (SER) (a - amino b - hydroxy propionate) Threonine (THR) (a - amino b - hydroxy butyrate) NH3 + C COO￾H CH2 OH N H3 + C COO￾H CH3 CH O H

Amino Acids with additional Acidic Group Aspartic Acid (ASP) (a - amino succinate) Glutamic Acid (GLU) (a - amino glutarate) NH3 + C COO￾H CH2 COO￾NH3 + C COO￾H CH2 COO￾CH2

Amino Acids with additional Acidic Group Aspartic Acid (ASP) (a - amino succinate) Glutamic Acid (GLU) (a - amino glutarate) NH3 + C COO￾H CH2 COO￾NH3 + C COO￾H CH2 COO￾CH2