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
flagthe Netherlands
17%
58%
11%
11%
17
flagPoland
25%
55%
7%
10%
21982
flagGermany
30%
54%
4%
9%
42
flagNew Zealand
33%
53%
6%
6%
15
flagIndia
33%
50%
7%
7%
642
flagFrance
26%
46%
6%
20%
15
flagSouth Africa
33%
40%
26%
0%
15
flagAustralia
47%
37%
10%
5%
78
flagPakistan
50%
37%
8%
3%
78
flagNigeria
33%
36%
21%
9%
33
flagUnknown
40%
34%
14%
12%
50
flagMalaysia
53%
34%
4%
6%
43
flagthe United Kingdom
49%
33%
6%
10%
236
flagthe United States
50%
29%
9%
7%
694
flagthe United Arab Emirates
61%
27%
5%
5%
18
flagSingapore
67%
25%
7%
0%
28
flagRepublic of Ireland
50%
25%
10%
15%
20
flagthe Philippines
56%
22%
10%
12%
50
flagCanada
60%
22%
6%
11%
45
flagIndonesia
54%
22%
22%
0%
22