Results 41 to 50 of about 1,451 (153)
This study compares the content of basic nutrients (proteins, fats, digestible carbohydrates, dietary fiber and ash), steviol glycosides, selected antioxidants (vitamin C, total polyphenols) and antioxidant activity in dried leaves of Stevia rebaudiana ...
Teresa Leszczyńska +3 more
doaj +1 more source
Effects of methyl jasmonate, on stevioside and rebaudioside A content and expression of the ent-Kaurenoic acid 13-hydroxylase gene in Stevia rebaudiana Bert. in vitro [PDF]
Glycosides are a form of secondary metabolites that consist variety compounds and in some cases can play a role in primary metabolism. Steviol is lipophilic skeleton of Stevioside and Rebaudioside A, two main glycosides of Stevia rebuadiana.
Mehrdad Behmanesh +2 more
doaj
A minor product, rebaudioside M2 (2), from the bioconversion reaction of rebaudioside A (4) to rebaudioside D (3), was isolated and the complete structure of the novel steviol glycoside was determined.
Indra Prakash +6 more
doaj +1 more source
Structures of Some Novel α-Glucosyl Diterpene Glycosides from the Glycosylation of Steviol Glycosides [PDF]
Four new minor diterpene glycosides with a rare α-glucosyl linkage were isolated from a cyclodextrin glycosyltransferase glucosylated stevia extract containing more than 98% steviol glycosides. The new compounds were identified as 13-[(2-O-β-D-glucopyranosyl-3-O-(4-O-α-D-glucopyranosyl)-β-D-glucopyranosyl-β-D-glucopyranosyl)oxy] ent-kaur-16-en-19-oic ...
Prakash, Indra, Chaturvedula, Venkata
openaire +3 more sources
Following a request from the European Commission, EFSA carried out an exposure assessment of steviol glycosides (E 960) arising from their use as a food additive, taking into account the proposed extension of uses.
EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS)
doaj +1 more source
Stevia rebaudiana (Bertoni) is a Paraguayan perennial herb of the family Asteraceae. The leaves contain a great amount of secondary metabolites with a wide range of important biological activities commonly known as steviol glycosides which differ in ...
Ena GUPTA +4 more
doaj +1 more source
Modification of steviol glycosides using α-amylase
Abstract Stevia extract usually contains a high content of stevioside which produces a significant bitter aftertaste, thus limiting its commercial application as a high-potency sweetener in foods. In order to improve its organoleptic properties, the stevia extract (containing 90 g/100 g stevioside) was modified by α-amylase from Aspergillus oryzae (
Fayin Ye +5 more
openaire +1 more source
Biocatalytic β-glucosylation/β-galactosylation of Rebaudioside C by glycosynthases
Extracts of Stevia rebaudiana Bertoni plant leaves contain a mixture of diterpene glycosides which possess high sweetness and are used as non-caloric sweeteners in foods and beverages.
Ye-Yang Yu +7 more
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Agrobacterium mediated transient gene silencing (AMTS) in Stevia rebaudiana: insights into steviol glycoside biosynthesis pathway. [PDF]
BackgroundSteviol glycoside biosynthesis pathway has emerged as bifurcation from ent-kaurenoic acid, substrate of methyl erythritol phosphate pathway that also leads to gibberellin biosynthesis.
Praveen Guleria, Sudesh Kumar Yadav
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Background miRNAs are major regulators of gene expression and have proven their role in understanding the genetic regulation of biosynthetic pathways. Stevioside and rebaudioside-A, the two most abundant and sweetest compounds found in leaf extract of ...
Monica Saifi +5 more
doaj +1 more source

