Raw Honey Guide · sugar science

The Fructose Trick

F/G ratio vs. perceived sweetness across 17 varieties

70% F/G spread~7% sweetness spread
F/G ratio(fructose ÷ glucose)Perceived sweetness(index per gram, 20 °C)0.901.101.301.501.700.780.820.860.90TupeloTupelo: F/G ratio 1.6541.65Tupelo: perceived sweetness index 0.8660.866ChestnutChestnut: F/G ratio 1.5451.55Chestnut: perceived sweetness index 0.8350.835Heather (Calluna)Heather (Calluna): F/G ratio 1.5001.50Heather (Calluna): perceived sweetness index 0.8300.830AcaciaAcacia: F/G ratio 1.4641.46Acacia: perceived sweetness index 0.8280.828SageSage: F/G ratio 1.2761.28Sage: perceived sweetness index 0.8500.850LindenLinden: F/G ratio 1.2741.27Linden: perceived sweetness index 0.8270.827WildflowerWildflower: F/G ratio 1.2221.22Wildflower: perceived sweetness index 0.8210.821EucalyptusEucalyptus: F/G ratio 1.2191.22Eucalyptus: perceived sweetness index 0.8240.824AvocadoAvocado: F/G ratio 1.2121.21Avocado: perceived sweetness index 0.8510.851ManukaManuka: F/G ratio 1.2001.20Manuka: perceived sweetness index 0.8240.824BuckwheatBuckwheat: F/G ratio 1.1361.14Buckwheat: perceived sweetness index 0.8090.809SourwoodSourwood: F/G ratio 1.1291.13Sourwood: perceived sweetness index 0.8470.847Orange blossomOrange blossom: F/G ratio 1.1101.11Orange blossom: perceived sweetness index 0.8400.840CloverClover: F/G ratio 1.0581.06Clover: perceived sweetness index 0.8390.839SunflowerSunflower: F/G ratio 1.0561.06Sunflower: perceived sweetness index 0.8430.843Rapeseed / canolaRapeseed / canola: F/G ratio 1.0001.00Rapeseed / canola: perceived sweetness index 0.8690.869LavenderLavender: F/G ratio 0.9710.97Lavender: perceived sweetness index 0.8310.831

Why this matters in the kitchen

Swapping acacia for rapeseed honey in a cold recipe barely changes the sweetness you taste — only a ~7% gap across all 17 varieties. But the F/G ratio spans ~70%, which is why rapeseed crystallizes in days while tupelo stays liquid for years. Pick your honey for texture, flavour, and shelf life — not sweetness intensity.

Kitchen substitution — honey for 1 cup granulated sugar

Use caseHoney for 1 cup sugar
Cold drinks & iced tea⅔ cup (67%)
Room-temp glazes & marinades¾ cup (75%)
Baking (reduce liquid by ¼ cup)⅞ cup (88%)

Fructose loses sweetness above 40 °C as the sweet β-anomer rearranges. Hot applications need more honey to match granulated sugar.