| The label moves from red, which means the fruit is unripe, to an orangey-red to yellow. |
| The fruit, a drupe with fleshy pulp and a high fat content, contains a glucoside which makes olives, especially unripe ones, very bitter. |
| Moreover, when unripe, they contain amygdalin, which is also present in bitter almonds, and are toxic. |
| Half cooked rice and meat, unripe fruit, stale food, untreated and contaminated water are the sources of indigestion. |
| The team also ruled out other sensory clues, like smell, by focusing only on the trees with unripe but insect-rich fruit. |
| These thicker-skinned grapes revealed unripe fruit aromas and flavours, green tannins and mean acidity. |
