Immunochemical quantitation of alpha-amylase and secretory IgA in parotid saliva from people of various ages.
The alpha-amylase (128 subjects) and secretory IgA (118 subjects) concentration in stimulated parotid saliva of healthy individuals aged 23-84 years, was determined. They were divided into three age groups: I, 23-39; II, 40-59; and III, 60-84 years old. The concentrations (microgram/ml) of alpha-amylase for group I = 803.6; II = 648.0; and III = 652.4; the concentrations for secretory IgA for group I = 96.2; II = 101.8; and III = 97.7. The Kruskal-Wallis test revealed no significant differences between groups for alpha-amylase or secretory IgA.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D005779:Immunodiffusion; D007071:Immunoglobulin A, Secretory / Q000032:analysis*; D008875:Middle Aged; D010306:Parotid Gland; D012463:Saliva / Q000032:analysis*; D012471:Salivary Proteins and Peptides / Q000032:analysis; D000516:alpha-Amylases / Q000032:analysis*
D007071:Immunoglobulin A, Secretory; D012471:Salivary Proteins and Peptides; D000516:alpha-Amylases