Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 58, Issue 15, Pages 8776-8781Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jf101583s
Keywords
Honey; apalbumin1; royal jelly; ELISA; adulteration
Funding
- EU [022568]
- Max-Planck Society for Partner Group of Slovak Academy of Sciences
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The 55 kDa major protein of royal jelly, named apalbumin 1, is an authentic protein of honey and pollen pellet, and for its quantification an enzyme-linked immunosorbent assay (ELISA) was developed using specific polyclonal anti-apalbumin 1 antibody. The limit of detection for apalbumin 1 was 2 ng mL(-1). The floral honeys contained apalbumin 1 as follows: acacia, 0.011%; linden, 0.010%; chestnut, 0.029%; rape, 0.010%; and dandelion, 0.014%. The saccharose syrup honey contained only 0.001% of apalbumin 1. The average amount of apalbumin 1 relating to the total protein content of analyzed honey samples was 23.39%, whereas in SCCH apalbumin 1 presented only 4.81% of total proteins of honey. Apalbumin 1 is thermostabile in honey at 80 degrees C incubated for 40 min. ELISA results show good precision in the evaluation of apalbumin 1 quantity in honey (CV ranged from 0.69 to 4.25%).
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