| Word | Description |
| yabbie | Species of freshwater crayfish that are found in Australia. |
| Yam | Refers to tubers of perennial climbing plants of a number of species of Dioscorea, d. rotundata, white yam, and D.cayenensis, yellow or Guninea yam, a major food in parts of Africa and also the Far East. In the United States sweet potatoes are sometimes |
| Yeast adenylic Acid | Adenosine e-phosphoric acid. Muscle adnylic acid is adenosine - 5-phosphoric acid. |
| Yeast Extract | Refers to a preparation of the water-soluble fraction of autolysed yeast which is valuable both as a rich source of the B vitamins and for its strong savoury flavour. Yeast (commercially brewers' yeast) is allowed to autolyse, extracted with hot water an |
| yeast Fermentation, Bottom | Refers to fermentation during the manufacturing of beer with a yeast that sinks to the bottom of the bank. Most beers are produced this way; ale, porter and stout being the principal beers produced by top fermentation. |
| Yeast | Grouped with the fungi although they are unicellular. Various types are of major importance in the food industry. |
| Yellow Colours | Oil Yellow GG-mixture of 4-phenylazoresorcinol and 4,6 -di (phenylazo) resorcinol. Sunset Yellow FCF -disodium salt of 1-p-sulphophenylazo-2-naphthol-6-sulphonic acid; yellow-orange colour used to simulate the colour of eggs or orange; called Yellow No.6 |
| Yoghurt | Milks, fermented. |
| Yolk Index | Index of freshness of an egg. Refers to the ratio between height and diameter of yolk under defined contidions. As the egg deteriorates, the yolk index gets decreased. |
| Yuksov Disease | Another name for Haff disease. |
