Reference

Use of the b-carotene rich alga Dunaliella bardawil as a source of retinol

Use of the b-carotene rich alga Dunaliella bardawil as a source of retinol. Ben-Amotz, A.; Edelstein, S.; Avron, M. (Biochem. Dep., Weizmann Inst. Sci. 68-26-8 and 127-40-2 are cas registry numbers. These chemicals are also mentioned in this article., Rehovot 76100, Israel). Br. Poult. Sci., 27(4), 613-19 (English) 1986. CODEN: BPOSA4. ISSN: 0007-1668. DOCUMENT TYPE: Journal CA Section: 18 (Animal Nutrition) Section cross-reference(s): 17 D. bardawil, A b-carotene [7235-40-7] accumulating halotolerant alga, has been tested as a source of retinol [68-26-8] in a chick diet. Chicks were fed diets deficient in retinol or supplemented with retinol, synthetic b-carotene or dry algae. After an initial lag, chicks grew equally well on diets supplemented with algae, retinol or b-carotene. Serum and liver analyses revealed a normal content of retinol in all chicks except those grown on the retinol-deficient diet. Chicks fed the algae-supplemented diet contained lutein [127-40-2] but no b-carotene in their serum, even though the ratio of b-carotene to lutein in the algae was over . Laying hens fed with an algae-supplemented diet showed enhanced egg yolk color attributable to a higher lutein content. No b-carotene was present in the egg-yolk. These studies demonstrate the possibility of using dried D. bardawil as a dietary supplement which can fully satisfy the retinol requirement and also serve as a yolk-color enhancing agent. .

Effects of glyphosate on pigment biosynthesis in leaf disks of pea plants

Effects of glyphosate on pigment biosynthesis in leaf disks of pea plants. Honzawa, Shooichi; Matsunaka, Shooichi (Grad. Sch. Sci. Technol., Kobe Univ., Kobe 657, Japan). Zasso Kenkyu, 31(1), 30-5 (Japanese) 1986.There are some reagents with their cas registry numbers 72746-33-9 and 63-91-2 are used in this study. CODEN: ZASKAN. ISSN: 0372-798X. DOCUMENT TYPE: Journal CA Section: 5 (Agrochemical Bioregulators) The mechanism of action of glyphosate (I) [1071-83-6] on pigment biosynthesis in pea plants was studied. Phenylalanine (II) [63-91-2], tyrosine (III) [60-18-4], and tryptophan (IV) [73-22-3] were taken up by pea leaf disks, but hardly alleviated the physiol. and biochem. changes induced by I. Simultaneous applications with II + III + IV, phosphoenolpyruvate [138-08-9], and d-aminolevulinic acid [106-60-5] effectively depressed redn. in chlorophyll (V), anthraquinone, and carotenoid (VI) levels and abnormal accumulation of shikimates caused by I in pea leaf disks. Methoxyphenone [41295-28-7] caused redn. in the b-carotene (VII) [7235-40-7] content and accumulation of phytoene (VIII) [540-04-5], phytofluene (IX) [27664-65-9], and z-carotene [72746-33-9] in pea leaf disks, whereas I did not cause accumulation of VIII, IX, or X, but reduced VII content, which suggested that I did not inhibit the final step in VI biosynthesis. I inhibited incorporation of acetyl-CoA [72-89-9] into V, Vi, and xanthophyll [127-40-2] to the same extent. Inhibition of the initial steps of plant pigment biosynthesis by I was suggested. .