Search Results - "Ralf Schweiggert"
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Perspective on the Ongoing Replacement of Artificial and Animal-Based Dyes with Alternative Natural Pigments in Foods and Beverages
Published in Journal of agricultural and food chemistry (28-03-2018)“…This perspective highlights current trends, advances, and challenges related to the replacement of artificial dyes and the insect-based carmine with…”
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2
Anthocyanins from purple sweet potato (Ipomoea batatas (L.) Lam.) and their color modulation by the addition of phenolic acids and food-grade phenolic plant extracts
Published in Food chemistry (15-11-2017)“…•An outstandingly anthocyanin-rich purple sweet potato provenance is reported.•Adding co-pigments to anthocyanins allowed color modulation of aqueous…”
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3
In Vitro Bioaccessibility of Carotenoids, Flavonoids, and Vitamin C from Differently Processed Oranges and Orange Juices [Citrus sinensis (L.) Osbeck]
Published in Journal of agricultural and food chemistry (21-01-2015)“…Carotenoid, flavonoid, and vitamin C concentrations were determined in fresh orange segments and a puree-like homogenate derived thereof, as well as freshly…”
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4
Subcritical water extraction of phenolic and antioxidant constituents from pistachio (Pistacia vera L.) hulls
Published in Food chemistry (01-07-2018)“…•Subcritical water extraction of phenolic compounds from pistachio hull is presented.•Extracts rich in gallotannin and flavonols were obtained.•Liberation of…”
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5
Ultrastructural deposition forms and bioaccessibility of carotenoids and carotenoid esters from goji berries (Lycium barbarum L.)
Published in Food chemistry (01-03-2017)“…•Chloroplasts transformed to tubular chromoplasts upon ripening of goji berries.•Ripe fruits contained liquid-crystalline form of xanthophylls, mainly…”
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6
Influence of chromoplast morphology on carotenoid bioaccessibility of carrot, mango, papaya, and tomato
Published in Food chemistry (15-12-2012)“…► Different chromoplast types were confirmed for tomato, carrot, mango and papaya. ► Differences in carotenoid bioaccessibility were related to chromoplast…”
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Carotenoids and Carotenoid Esters of Red and Yellow Physalis (Physalis alkekengi L. and P. pubescens L.) Fruits and Calyces
Published in Journal of agricultural and food chemistry (02-08-2017)“…Carotenoid profiles of fruits and calyces of red (Physalis alkekengi L.) and yellow (P. pubescens L.) Physalis were characterized by HPLC-DAD-APCI-MS n …”
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Identification of Phenolic Compounds in Red and Green Pistachio (Pistacia vera L.) Hulls (Exo- and Mesocarp) by HPLC-DAD-ESI-(HR)-MS(n)
Published in Journal of agricultural and food chemistry (06-07-2016)“…Phenolic constituents of the nonlignified red and green pistachio hulls (exo- and mesocarp) were assessed by HPLC-DAD-ESI-MS(n) as well as by HR-MS. A total of…”
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9
Bioaccessibility of carotenoids from plant and animal foods
Published in Journal of the science of food and agriculture (01-05-2019)“…The frequent consumption of carotenoid‐rich foods has been associated with numerous health benefits, such as the supply of provitamin A. To exert these health…”
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10
Screening of critical factors influencing the efficient hydrolysis of zeaxanthin dipalmitate in an adapted in vitro- digestion model
Published in Food chemistry (15-08-2018)“…•Critical factors for hydrolysis of ZDP were screened in in vitro-digestion model.•Carboxyl ester lipase was crucial for the hydrolysis of ZDP.•Adequate…”
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11
Effect of chlorogenic acid on spectral properties and stability of acylated and non-acylated cyanidin-3-O-glycosides
Published in Food chemistry (01-02-2018)“…•Cyanidin-3-glycosides showed high intermolecular co-pigmentation at pH 3.6 and 4.6.•At pH 4.6, acylated cyanidins exhibited positive intermolecular…”
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12
Co-pigmentation of pelargonidin derivatives in strawberry and red radish model solutions by the addition of phenolic fractions from mango peels
Published in Food chemistry (15-12-2016)“…•Major pelargonidin derivatives (PD) were co-pigmented with mango peel phenolics.•Non-acylated PDs had a greater affinity to co-pigmentation than acylated…”
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13
Studies into the phenolic patterns of different tissues of pineapple (Ananas comosus [L.] Merr.) infructescence by HPLC-DAD-ESI-MS (n) and GC-MS analysis
Published in Analytical and bioanalytical chemistry (01-08-2015)“…In a comprehensive study, more than 60 phenolic compounds were detected in methanolic extracts from different tissues of pineapple infructescence by…”
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14
Enhanced bioavailability of lycopene when consumed as cis‐isomers from tangerine compared to red tomato juice, a randomized, cross‐over clinical trial
Published in Molecular nutrition & food research (01-04-2015)“…SCOPE: Tangerine tomatoes (Solanum lycopersicum) are rich in tetra‐cis‐lycopene resulting from natural variation in carotenoid isomerase. Our objective was to…”
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15
Impact of Cultivation Method and Cultivar Selection on Soluble Carbohydrates and Pungent Principles in Onions (Allium cepa L.)
Published in Journal of agricultural and food chemistry (05-12-2018)“…The composition of soluble carbohydrates such as fructooligosaccharides (FOS) in onions (Allium cepa L.) plays a role regarding their digestibility, long-term…”
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16
HPLC-DAD-APCI-MSn analysis of the genuine carotenoid pattern of pineapple (Ananas comosus [L.] Merr.) infructescence
Published in Food research international (01-01-2020)“…[Display omitted] •Detailed HPLC-DAD-APCI-MSn analysis of pineapple carotenoids.•Identification of 21 lipophilic pigments in the pineapple…”
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17
Studies into the Stability of 3‑O-Glycosylated and 3,5-O-Diglycosylated Anthocyanins in Differently Purified Liquid and Dried Maqui (Aristotelia chilensis (Mol.) Stuntz) Preparations during Storage and Thermal Treatment
Published in Journal of agricultural and food chemistry (07-10-2015)“…Anthocyanin stabilities in diluted and differently purified maqui preparations were assessed during storage and thermal treatment at different pH values. By…”
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18
Carotenoids from gac fruit aril (Momordica cochinchinensis [Lour.] Spreng.) are more bioaccessible than those from carrot root and tomato fruit
Published in Food research international (01-09-2017)“…Using a simulated digestion procedure in vitro, liberation and bioaccessibility of β-carotene (29.5±1.7% and 22.6±0.9%, respectively) and lycopene (51.3±2.6%…”
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19
Characterization of the Pale Yellow Petal/Xanthophyll Esterase gene family in citrus as candidates for carotenoid esterification in fruits
Published in Food chemistry (16-04-2021)“…•Xanthophylls esters are the main carotenoids in orange-pigmented citrus fruit.•Specific PYP/XES genes are ripening regulated in sweet orange and mandarin…”
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20
Genuine Carotenoid Profiles in Sweet Orange [Citrus sinensis (L.) Osbeck cv. Navel] Peel and Pulp at Different Maturity Stages
Published in Journal of agricultural and food chemistry (27-11-2019)“…The carotenogenesis in the endocarp and flavedo of Navel oranges over four consecutive maturity stages was assessed by high-performance liquid…”
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