Document Type : Research article
Authors
1
Agronomy Department, Faculty of Agriculture, Al-Azhar University, 71524 Assiut, Egypt
2
Biochemistry Department, Faculty of Agriculture, Minia University, Minia, Egypt
Abstract
In the present study, bitter dry beans of lupine seeds (Lupinus termis L.) cultivar Giza-1, and powder of turmeric rhizomes, (Curcuma longa L.,), and grains of yellow corn (Zea mays L.) cultivar Giza-368 were used to prepare three tercumin capsules. Chemical composition and elementary analysis of all capsules and their sources were done. The tercumin capsules composed from three portions, the first one, is fine powdered lupine seeds (FPLS), the second portion is turmeric powdered (TP) and the third one is the grain husks of yellow corn (GHYC). Generally, these data ` that the three chosen crops studied here are good, complementary and inexpensive sources for composed capsules. While the crude protein (6.69 -34.15 %) and lipids (3.82-11.07%) and TSS (21.16-25.32%). From obtained, results turmeric rhizomes contain the highest content of lutein, zeaxanthin, β-cryptoxanthin and β-carotene followed by bitter lupines Giza-1, and husks of yellow corn grain. Lupine seeds, turmeric rhizomes andyellow corn grains contain large quantities of carotenoid pigments, which can be used as dietary supplements or as safe food additives. Results of carotenoid levels in three tercumin capsules show that lutein, zeaxanthin, β-cryptoxanthin and β-carotene content in tercumin capsule-2 are higher than those determined in tercumin capsule-3 and tercumin capsule-1. TPCs in both tercumin capsules and their sources tercumin capsules ranged from 2.18 to 29.48 mg/100g. TPCs in the yellow corn grains are higher than those found in the bitter lupine seeds Giza-1 (2.185 mg/100g) and turmeric rhizomes. TPCs concentrations in thetercumin capsules-3 are higher than those found in the tercumin capsules-1 and tercumin capsules-2. The levels of TPCs in the tercumin capsules-1, capsules-2 and capsules-3 are 20.1, 25.63 and 29.480 mg/100g respectively. Total flavonoid contents in tercumin capsules and their sources were assayed and the results indicate that turmeric powdered contained the highest level 4.97 mg/100 g CE followed by grain husks of yellow corn (GHYC) and the lowest level (1.396) was found in the powder of lupine seed Giza-1.The results also showed that tercumin capsule-3 contain the highest concentration (5.142) of TFs followed by tercumin capsule-1and tercumin capsule-2 contain the lowest concentration. These results showed that total alkaloids in turmeric rhizomes (1.82%) are higher than those determined in yellow corn grains (1.203%). The levels of TAs in turmeric rhizomes are always higher than those determined in yellow corn grains.
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