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. 2020 Sep 1;9(9):1213. doi: 10.3390/foods9091213

Table 2.

Lexicon of the sensory descriptors.

Attribute Definition References Previous Publications
After taste Longevity of key attributes intensity after swallow the sample 5 s = 1.0; 30 s = 4.0; 60 s = 8.0 [17,22]
Bitter The basic taste associated with a caffeine solution 0.008% caffeine solution = 1.0
0.15% citric acid solution = 2.0
[17,22,26]
Sour The taste factor associated with some organic acid, specifically citric acid 0.043% citric acid solution = 2.0
0.064% citric acid solution = 3.0
0.120% citric acid solution = 5.0
0.168% citric acid solution = 7.0
[17,22]
Sweet The basic taste associated with a sucrose solution 3% sucrose solution = 2.0
6% sucrose solution = 4.0
12% sucrose solution = 8.0
[17,22]
Aloe Aromatic associated with aloe Diluted aloe juice (1:1) = 5
Fresh aloe juice = 10
[26]
Apple Aromatic compounds associated with processed apple juice and cooked apples Hacendado mango–apple nectar = 5.5 [17]
Banana Aromatic associated with bananas Fresh peeled banana = 10 [26]
Beetroot The damp, musty/earthy, slightly sweet aromatics commonly associated with canned/cooked beets Diluted kroger canned beet juice (1:2) = 4.0 [24]
Carrot The aromatics commonly associated with canned, cooked carrots Del monte sliced canned carrots = 7.0 [26]
Citric Volatile compounds associated with lemon or lime Fresh-squeezed orange juice = 8
Fresh-squeezed orange juice diluted 1:1 = 4
[22]
Earthy Musty, somewhat sweet, full aromatics commonly associated with decaying vegetative matter and damp black soil Geosmin (4,000 ppm) = 9.0 [27]
Green-vinery Green, fresh aromatics associated with green vegetables and newly cut vines and stems; related to cucumber Trans-2-hexen-1-ol 5000 ppm = 4.0
Heinz tomato ketchup (vinegar) = 4.5
Freshly sliced tomatoes = 10.0
[24]
Mango A sweet, fruity aromatic associated with mango Fresh peeled mango = 10 [26]
Orange The aromatics associated with oranges; including juice, pulp and peel Fresh-squeezed orange juice = 9 [26]
Passion fruit A sweet, fruity aromatic associated with passionfruit Fresh passionfruit = 10 [26]
Peach Aromatic compounds from ripe peach Fresh peeled peach = 10 [26]
Pear Sweet, slightly musty, floral, honey/caramel-like, fruity aromatic associated with ripe pears Hacendado pear nectar = 6.5 [17]
Lumpiness The perception of large particles that are not dissolved in the product Yoplait Strawberry Yogurt = 4.0
Mouth coating The amount of film left on the mouth surfaces Whipped cream = 6
Pureed potato = 10
Pulpy A soft moist residue Del Monte slices peaches = 2
Tooth etch A sensation of abrasion and drying of the surface of the teeth. Welch’s grape juice diluted (1:1) = 6.0 [24,25]
Viscosity The force required to move the product across the tongue Distilled water = 1
Condensed milk diluted (1:1) = 5
Condensed milk =10