Which acid causes the sourness of green apples?

citric acid
malic acid
lactic acid
formic acid
Malic acid is more sour than citric acid, and is the source of extreme tartness in so-called extreme candy. Malic acid occurs naturally in all fruits and many vegetables.
Kasia
0
Correct this question
3
Very interesting!
reach: rather globalacidsappleschemistryfoodfruitsnatureorganic acidsorganic chemistrysweets

Answers by country

citric acid
malic acid
lactic acid
formic acid
answers
flagGermany
27%
58%
3%
10%
29
flagPoland
25%
55%
7%
10%
21376
flagNew Zealand
33%
53%
6%
6%
15
flagthe Netherlands
20%
53%
13%
13%
15
flagIndia
33%
49%
7%
8%
560
flagSouth Africa
35%
42%
21%
0%
14
flagNigeria
30%
40%
23%
6%
30
flagPakistan
47%
38%
9%
4%
73
flagRomania
46%
38%
0%
15%
13
flagUnknown
40%
34%
14%
12%
50
flagthe United Kingdom
50%
33%
6%
9%
220
flagAustralia
50%
30%
12%
6%
62
flagthe United States
51%
29%
9%
7%
666
flagMalaysia
56%
29%
5%
8%
37
flagthe United Arab Emirates
61%
27%
5%
5%
18
flagRepublic of Ireland
53%
26%
6%
13%
15
flagSingapore
70%
25%
3%
0%
27
flagIndonesia
50%
25%
25%
0%
20
flagCanada
59%
22%
6%
11%
44
flagthe Philippines
56%
21%
10%
10%
46