Raw Honey Guide · sugar science

The Fructose Trick

F/G ratio vs. perceived sweetness across 17 varieties

74% F/G spread~7% sweetness spread
F/G ratio(fructose ÷ glucose)Perceived sweetness(index per gram, 20 °C)1.001.201.401.601.800.780.820.860.90AcaciaAcacia: F/G ratio 1.7401.74Acacia: perceived sweetness index 0.8410.841TupeloTupelo: F/G ratio 1.6981.70Tupelo: perceived sweetness index 0.8390.839SageSage: F/G ratio 1.5931.59Sage: perceived sweetness index 0.8460.846ChestnutChestnut: 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 0.8300.830LavenderLavender: F/G ratio 1.3051.30Lavender: perceived sweetness index 0.8270.827LindenLinden: 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 0.8240.824Orange blossomOrange blossom: F/G ratio 1.2191.22Orange blossom: perceived sweetness index 0.8270.827AvocadoAvocado: F/G ratio 1.2121.21Avocado: perceived sweetness index 0.8510.851ManukaManuka: F/G ratio 1.2001.20Manuka: perceived sweetness index 0.8240.824CloverClover: F/G ratio 1.1641.16Clover: perceived sweetness index 0.8310.831BuckwheatBuckwheat: F/G ratio 1.1361.14Buckwheat: perceived sweetness index 0.8090.809SourwoodSourwood: F/G ratio 1.1291.13Sourwood: perceived sweetness index 0.8470.847SunflowerSunflower: F/G ratio 1.0561.06Sunflower: perceived sweetness index 0.8430.843Rapeseed / canolaRapeseed / canola: F/G ratio 1.0001.00Rapeseed / canola: perceived sweetness index 0.8690.869

Why this matters in the kitchen

Swapping acacia for rapeseed honey in a cold recipe barely changes the sweetness you taste — less than a 6% gap across all 17 varieties. But the F/G ratio jumps 74%, which is why rapeseed crystallizes in days while acacia 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.