Best Sources of Carotenoids. Carotenoids are found in orange, yellow, and red fruits and vegetables, like pumpkin, carrots, and tomatoes. For beta-carotene, carrots and pumpkins are forefront; however, spinach, sweet potatoes, cantaloupe, and dandelion greens also represent excellent sources.est Sources of Carotenoids. Carotenoids are found in orange, yellow, and red fruits and vegetables, like pumpkin, carrots, and tomatoes. For beta-carotene, carrots and pumpkins are forefront; however, spinach, sweet potatoes, cantaloupe, and dandelion greens also represent excellent sources.
Dakin's solution. an aqueous solution containing sodium hypochlorite and sodium bicarbonate; used in enormous quantities when veterinary surgery was a barnyard and kitchen table practice, and infected wounds were the norm. It was in general use as a local antibacterial and to irrigate wounds.
Â© Deakin University SCIENCE CONCEPTS: YEARS 5â10 CHEMICAL REACTIONS 41 Reactions involving acids and/or bases Key idea: This recipe will produce a solution that will indicate the presence of an acid, a base or a neutral solution.