| Word | Description |
| NAD, NADP | Abbreviation of nicotinamide adenine dinucleotide; nicotinamide adenine dinucleotide phosphate. |
| Naphthoquinone | basic part of the molecule of vitamin K; the various forms of vitamin K are termed as substituted naphthoquinones. |
| Naringin | Thrihydroxyflavonone rhamnoglucoside. It is found in grapefruit, especially in the immature fruit; extremely bitter and dilutions of 1 part in 10000 parts of water can be detected. Sometimes found in canned grapefruit segments as tiny, white beads. It g |
| Natto | Fermented soya bean 9Japan) |
| Neats Food | Ox or calf's food which is used for making soups and jellies. Now called cow's heels. |
| Neat's foot oil | Oil obtained from the knuckle bones of cattle. It is used in lather working and for canning sardines. |
| NEO-DHC | Neohesperidin dihydrochalcone; non nutritive sweetener. |
| Neohesperidin Dihydrochalcone | 1000 times as sweet as sucrose. It is formed by hydrogenation of naturally occurring flavonoidneohesperidin. |
| Neomycin | Refers to antibiotic isolated 1049 from Streptomyces fradii. It is used to some extent in controlling infections in food processing. |
| Neroli Oil. | Prepared from blossoms of the bitter orange by steam distillation Yellowish oil with intense odourof orange blossom |
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