C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/82 (2006.01)
Patent
CA 2748767
The present invention is directed to methods and compositions to eliminate cold storage-induced sweetening of potato or sweet potato. The invention is accomplished in part by silencing the vacuolar acid invertase gene using RNAi technology. The resulting potatoes withstand cold storage without significant hexogenesis, producing potatoes or sweet potatoes that have reduced Maillard reactions when fried in hot oil. The fried products accumulate significantly lower levels of acrylamide compared to controls.
La présente invention concerne des procédés et des compositions visant à éviter le sucrage induit par les basses températures chez la pomme de terre ou la patate douce. L'invention est mise en uvre, pour partie, par un silençage, grâce aux ARNi, du gène de l'invertase acide vacuolaire. Les tubercules obtenus résistent bien à la conservation au froid sans exogénose significative et les pommes de terre et patates douces ainsi produites sont moins sujettes à la réaction de Maillard lorsqu'elles sont frites dans l'huile bouillante. La teneur en acrylamide des produits frits est significativement inférieure à celle de produits témoins.
Bhaskar Pudota Bala
Jiang Jiming
Torys Llp
Wisconsin Alumni Research Foundation
LandOfFree
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