Different Symptoms and Cuases in Crops

Crop	Symptom	Responsible Compound
Rice	Aroma	D-acetyl-1-proline
Aonla	Sourness	Tannin / Gallic acid
Arbi (Colocasia)	Acidification / Bitterness	Calcium oxalate
Badam	Bitterness	Emyladin
Bael	Liquefaction	Marmelosin
Bitter gourd	Bitterness	Memordicoside
Chilli	Pungency	Capsaicin (present in placenta)
Cucumber	Red colour	Capsaithin
Carrot	Bitterness	Cucurbitacin
Garlic	Pungency	Allicin / Allinase (TRP)
Onion	Pungency	Allyl propyl disulphide (APD)
Papaya	Yellow colour	Carica xanthin pigment
Potato	Greenish colour	Olecracin
Tomato	Red colour	Lycopene
Turmeric	Yellow colour	Curcumin