Growing Yuccas in Zone 5. The slightly dangerous looking Yucca is a large group of sun-loving plants. There are tall specimens, such as Joshua tree, and ground hugging little plants, like Adamâs Needle. Most are found in regions with little rain, plenty of sunshine and hot days.
Definition of CAROTENE. : any of several orange or red crystalline hydrocarbon pigments (as C40H56) that occur in the chromoplasts of plants and in the fatty tissues of plant-eating animals and are convertible to vitamin A â compare beta-carotene.See carotene defined for kids. ADVERTISEMENT. any of several orange or red crystalline hydrocarbon pigments (as C40H56) that occur in the chromoplasts of plants and in the fatty tissues of plant-eating animals and are convertible to vitamin A â compare beta-carotene. See carotene defined for kids. ADVERTISEMENT.
Approximately 50 carotenoids have been found in the human diet and 20 have been identified in. plasma and tissues.2. Î²-carotene has been shown to act as an immune modulator, quench singlet oxygen, and. reduce peroxyl radicals at a low partial oxygen pressure.3 Î²-carotene also enhances gap-junc-.