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Stevia rebaudiana: Its agricultural, biological, and chemical properties
Stevia rebaudiana is a member of the Compositae, native to Paraguay. It produces a number of high-potency low-calorie sweeteners in its leaf tissue. The sweeteners are diterpene glycosides and range… Expand
Rebaudioside F, a diterpene glycoside from Stevia rebaudiana.
The sweet diterpenoid glycoside, rebaudioside F, was isolated from leaves of a high rebaudioside C producing line of Stevia rebaudiana, and its structure was established by chemical and spectral… Expand
New observations on the secondary chemistry of world Ephedra (Ephedraceae).
- S. Caveney, D. Charlet, H. Freitag, M. Maier-Stolte, A. Starratt
- Biology, Medicine
- American journal of botany
- 1 July 2001
For several millennia, stem extracts of Ephedra (Ephedraceae, Gnetales) have been used as folk medicines in both the Old and New World. Some species were used in treatments of questionable efficacy… Expand
Diterpene synthesis in Stevia rebaudiana: recruitment and up-regulation of key enzymes from the gibberellin biosynthetic pathway.
- A. Richman, M. Gijzen, A. Starratt, Z. Yang, J. Brandle
- Biology, Medicine
- The Plant journal : for cell and molecular…
- 1 August 1999
Stevia rebaudiana Bertoni leaves accumulate a mixture of at least eight different glycosides derived from the tetracyclic diterpene steviol. These natural products taste intensely sweet and have… Expand
RAPID MINERALIZATION OF THE ENDOCRINE-DISRUPTING CHEMICAL 4-NONYLPHENOL IN SOIL
The persistence of the xenoestrogenic compound 4-nonylphenol in agricultural, noncultivated temperate, and Arctic soils was assessed in laboratory microcosm incubations. At 30°C, [ring-U- 14… Expand
Structure of the pentapeptide proctolin, a proposed neurotransmitter in insects.
Abstract Proctolin, a myotropic substance with potent activity on the proctodeal (hindgut) muscles of the cockroach, Periplaneta americana (L.), has been identified by the use of Edman degradation… Expand
Identification of a chromosomal region required for biosynthesis of the phytotoxin coronatine by Pseudomonas syringae pv. tomato
Pseudomonas syringae pv. tomato produces the chlorosis-inducing phytotoxin coronatine. Five of 3700 (0.13%) kanamycin-resistant mutants generated by random Tn5 mutagenesis were unable to synthesize… Expand
Identification of Tomato Leaf Factors that Activate Toxin Gene Expression in Pseudomonas syringae pv. tomato DC3000.
ABSTRACT Coronatine is a non-host-specific chlorosis-inducing phytotoxin produced by the tomato and crucifer pathogen Pseudomonas syringae pv. tomato DC3000. How the chromosomal gene cluster… Expand
The Effect of Tricyclazole and Culture Medium on Production of the Melanin Precursor 1,8-Dihydroxynaphthalene by Sclerotinia sclerotiorum Isolate SS7
The fungal plant pathogen Sclerotinia sclerotiorum (Lib.) de Bary, isolate SS7, produced pentaketide melanin precursor 1,8-dihydroxynaphthalene (DHN) and the polyketide sclerin when grown on potato… Expand
In vitro methylation of DNA by the fumigant methyl bromide.
- A. Starratt, E. J. Bond
- Chemistry, Medicine
- Journal of environmental science and health. Part…
- 1 October 1988
Investigations have shown that the physical state of the DNA strongly influences the pattern of methylation observed when DNA or a substance containing DNA is treated with the fumigant methyl… Expand