scholarly journals Effect of Different Drying Methods on the Nutritional Value of Hibiscus sabdariffa Calyces as Revealed by NMR Metabolomics

Molecules ◽  
2021 ◽  
Vol 26 (6) ◽  
pp. 1675
Author(s):  
Sengnolotha Marak ◽  
Elena Shumilina ◽  
Nutan Kaushik ◽  
Eva Falch ◽  
Alexander Dikiy
Keyword(s):  
Nutritional Value ◽  
2D Nmr ◽  
Proximate Analysis ◽  
Ash Content ◽  
Drying Methods ◽  
Hibiscus Sabdariffa ◽  
Nmr Metabolomics ◽  
Polar Metabolites ◽  
2D Nmr Spectra ◽  
Plant Processing

Red mature calyces of Hibiscus sabdariffa were collected from 16 different locations in Meghalaya, India. Samples were processed using shade drying (SD) and tray drying (TD). NMR spectroscopy was used to assess the metabolic composition of the calyces. In this study, 18 polar metabolites were assigned using 1D and 2D NMR spectra, and 10 of them were quantified. Proximate analysis showed that the TD method is more efficient at reducing moisture and maintaining the ash content of the Hibiscus biomass. NMR metabolomics indicates that the metabolite composition significantly differs between SD and TD samples and is more stable in TD plant processing. The differences in post-harvest drying has a greater impact on the metabolite composition of Hibiscus than the plant location.

scholarly journals Quality Assessment of Five Different Brands of Chyawanprash Marketed in Nepal

2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Babita Aryal ◽  
Prem Paudyal ◽  
Krishma Ghimire ◽  
Sabitra Sharma ◽  
Dharma Prasad Khanal
Keyword(s):  
Heavy Metals ◽  
Quality Control ◽  
Vitamin C ◽  
Nutritional Value ◽  
Proximate Analysis ◽  
Physicochemical Analysis ◽  
Ash Content ◽  
Control Parameters ◽  
Quality Control Parameters ◽  
The Government

Chyawanprash, a polyherbal formulation, is popular for its nutritional value and is widely used as a tonic, rejuvenator, immunomodulator, and enhancer. This study aimed to evaluate the quality profile of five different brands of Chyawanprash marketed in Nepal. Proximate analysis, estimation of heavy metal, physicochemical analysis, determination of microbial contamination, estimation of vitamin C, and detection of heavy metals were carried out to assess the therapeutical values and compare the quality control parameters. All the analyses were carried out based on standard procedures. The data analysis revealed that the presence of moisture content (11.83 ± 1.61%–19.90 ± 0.92%), ash content (1.2–2.3%), energy (316.12 ± 1.96–363 ± 11.90 Kcal/100g), acid-insoluble ash content (0.12 ± 0.05–1.47 ± 0.26%), pH (5.12–5.34), vitamin C (9.92–28.58 mg/100g), and heavy metals was not detected in ppm in any of the brands. Chyawanprash holds tremendous amounts of nutritional value suitable for treating different types of illness. Thus, stringent quality control parameters should be implemented from the government level for product consistency and to reduce variation among different brands.

scholarly journals Morin as a Preservative for Delaying Senescence of Banana

Biomolecules ◽  
2018 ◽  
Vol 8 (3) ◽  
pp. 52 ◽  
Author(s):  
Hong Zhu ◽  
Jiali Yang ◽  
Yueming Jiang ◽  
Jun Zeng ◽  
Xuesong Zhou ◽  
...  
Keyword(s):  
Amino Acids ◽  
Principal Component Analysis ◽  
Nuclear Magnetic Resonance ◽  
Nmr Spectroscopy ◽  
Nmr Spectra ◽  
Nutritional Value ◽  
Principal Component ◽  
2D Nmr ◽  
Climacteric Fruit ◽  
2D Nmr Spectra

Banana is a climacteric fruit with desirable palatability and high nutritional value. It ripens rapidly accompanied with metabolite changes during postharvest storage. In this work, morin was applied to treat banana to delay senescence. Nuclear magnetic resonance (NMR) spectroscopy was used to monitor the changes of metabolite composition and levels in banana. The results showed that morin significantly delayed the changes of color and firmness. 1D and 2D NMR spectra reflected that the levels and composition of metabolites were changed with the senescence initiation. The principal component analysis revealed that the first principal components responsible for banana senescence were carbohydrates, amino acids, lipids and phenolics. Morin treatment delayed the transformation of starch to glucose, fructose and sucrose, accelerated the accumulations of alanine and γ-Amino-butyrate (GABA), postponed the generations of valine and l-aspartic acid, suppressed the degradation of saponin a. It indicated that morin was effective in delaying banana senescence.

scholarly journals Preparation of compost using layer droppings with different materials

2013 ◽  
Vol 41 (2) ◽  
pp. 120-123
Author(s):  
H Khatun ◽  
F Alam ◽  
MA Hashem ◽  
SME Rahman
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Nutritional Value ◽  
Ph Value ◽  
Soil Surface ◽  
Proximate Analysis ◽  
Ash Content ◽  
Saw Dust ◽  
Crude Fiber Content ◽  
Acceptable Range

The experiment was carried out by anaerobic composting with layer droppings (T1), layer droppings with straw (T2), layer droppings with fodder residues (T3) and layer droppings with saw dust (T4) under soil surface to study the suitable method with layer droppings and their nutrient composition. The sample from composted materials was collected at 0, 10, 20 and 30 d for proximate analysis. In 30 d of composting dry matter and organic matter were gradually decreased in every method and which were also differed among the treatments (p<0.01). Crude protein (CP) gradually increased in every method and was higher in T3 (19.43%) and then T1 (18.93%), T4 (15.99%) and T2 (14.61%) (p<0.01) at 20 d of composting. The crude fiber content gradually decreased in every method and was higher in T2 followed by T4, T1 and T3 (p<0.01) considerably with the composting period. Ash content was increased in all treatments with the advancing of composting period (p<0.01). The C/N ratio was higher in T4 (22.4) followed by T2 (22.2), T1 (22.0) and T3 (21.9) (p<0.01) considerably with the composting period. The PH value in all treatments decreased up to first ten days then gradually increased with the increase of composting period. The pH value was higher in T1 (8.54) followed by T2 (8.15), T3 (8.10) and T4 (8.00) (p<0.01) at 30 d of composting period. The proximate compositions of all treatments were in acceptable range up to the end of composting period. Therefore, the  results suggest that composting layer droppings with fodder residues improve the nutritional  value of compost at 20d of composting time.DOI: http://dx.doi.org/10.3329/bjas.v41i2.14131Bang. J. Anim. Sci. 2012. 41 (2): 120-123

Analisis Nutrisi Umbi Ubi Jalar (Ipomoea batatas (L.) Lam.) untuk Konsumsi Bayo dan Anak-anak Suku Dani di Distrik Kurulu Kabupaten Jayawijaya

Agrotek ◽  
2018 ◽  
Vol 3 (2) ◽  
Author(s):  
Andrew B. Pattikawa ◽  
Antonius Suparno ◽  
Saraswati Prabawardani
Keyword(s):  
Sweet Potato ◽  
Ipomoea Batatas ◽  
Nutritional Value ◽  
Animal Feed ◽  
Ash Content ◽  
Infants And Children ◽  
Chemical Analyses ◽  
Food Crop ◽  
Sweet Potatoes ◽  
Development Center

<em>Sweet potato is an important staple food crop especially for the local people of Central Highlands Jayawijaya. There are many accessions that have always been maintained its existence to enrich their various uses. Traditionally, sweet potato accessions were grouped based on the utilization, such as for animal feed, cultural ceremonies, consumption for adults, as well as for infants and children. This study was aimed to analyze the nutritional value of sweet potatoes consumed by infants and children of the Dani tribe. Chemical analyses were conducted at the Laboratory of Post-Harvest Research and Development Center, Cimanggu, Bogor. The results showed that each of 4 (four) sweet potato accessions which were consumed by infants and children had good nutrient levels. Accession Sabe showed the highest water content (72.56%), vitamin C (72.71 mg/100 g), Fe (11.85 mg/100 g), and K levels (130.41 mg / 100 grams). The highest levels of protein (1.44%), fat (1.00%), energy (154.43 kkal/100 gram), carbohydrate (35.47%), starch (30.26%), reducing sugar (3.44%), riboflavin (0.18 mg/100 g), and vitamin A (574.40 grams IU/100 were produced by accession Manis. On the other hand, accession Saborok produced the highest value for ash content (1.32%), vitamin E (28.30 mg/100 g), and ?-carotene (64.69 ppm). The highest level of crude fiber (1.81 %) and thiamin (0.36 mg/100 g) was produced by accession Yuaiken.</em>

A Cytotoxic Natural Product from Patrinia villosa Juss

2019 ◽  
Vol 19 (11) ◽  
pp. 1399-1404 ◽  
Author(s):  
Yangcheng Liu ◽  
Wei Liu ◽  
Changlan Chen ◽  
Zheng Xiang ◽  
Hongwei Liu
Keyword(s):  
Cell Cycle ◽  
Cell Lines ◽  
Silica Gel ◽  
Column Chromatography ◽  
Bioactive Compound ◽  
Antitumor Agent ◽  
2D Nmr ◽  
Preparative Hplc ◽  
Dependent Manner ◽  
2D Nmr Spectra

Background and Purpose:: Patrinia villosa Juss is an important Chinese herbal medicine widely used for thousands of years, but few reports on the ingredients of the herb have been presented. In this study, we aim to isolate the bioactive compound from the plant. Material and Methods:: The air-dried leaves of P. villosa (15kg) were extracted three times with 70% EtOH under reflux. The condensed extract was suspended in H2O and partitioned with light petroleum, dichloromethane and n-BuOH. The dichloromethane portion was then subjected to normal-phase silica gel column chromatography, ODS silica gel column chromatography and semi-preparative HPLC to yield compound 1. Cytotoxicities of 1 were assayed on HepG2, A549 and A2780 cell lines. The mechanism of apoptosis and cell cycle on A549 was confirmed subsequently. Results: A new impecylone (Impecylone A) was isolated from the leaves of Patrinia villosa Juss, and its structures were established using 1D, 2D-NMR spectra and HR-ESI-MS. Impecylone A could selectivity inhibit HepG2 and A549 cell lines. The compound could induce apoptosis of A549 and arrest the cell cycle at G2/M phase in a dose-dependent manner. Conclusion: Impecylone A is a novel compound from Patrinia villosa Juss and could be a potential antitumor agent especially in the cell lines of A549.

scholarly journals Assessment of Chemical, Physico-Chemical and Sensorial Properties of Frankfurter-Type Sausages Added with Roselle (Hibiscus sabdariffa L.), Extracts

Proceedings ◽  
2020 ◽  
Vol 70 (1) ◽  
pp. 73
Author(s):  
Anna Judith Perez-Baez ◽  
Juan Pedro Camou ◽  
Martin Valenzuela-Melendres ◽  
Raquel Lucas-Gonzalez ◽  
Manuel Viuda-Martos
Keyword(s):  
Meat Product ◽  
Control Sample ◽  
Proximate Analysis ◽  
Nutritional Composition ◽  
Meat Industry ◽  
Hibiscus Sabdariffa ◽  
High Fat ◽  
Physico Chemical ◽  
Residual Nitrite ◽  
Emulsified Meat

Frankfurters are the most widespread type of emulsified meat product in the world. However, they could be considered unhealthy due to their high-fat content (15–30%). The meat industry wishes to change the perception of these products by reformulating them. One strategy is increasing the content of compounds considered beneficial for human health. Thus, the aim of this study was to determine the chemical, physico-chemical, and sensorial properties of Frankfurter-type sausages added with roselle (Hibiscus sabdariffa L.), extracts. Frankfurter-type sausages were made following a traditional formula. Three different formulations were prepared. The original mixture was used as a control sample (CS). The other samples were formulated by adding roselle extract at 4.08% (FRE4) and 8.17% (FRE8). For proximate analysis, no statistical differences were found between FRE4 and FRE8 and CS. However, the residual nitrite levels decreased from 88.41 mg NaNO2/kg in CS to 86.31 and 69.82 mg NaNO2/kg in FRE4 and FRE8, respectively. Regarding the sensory analysis of the frankfurters, CS and FRE4 samples generally scored significantly higher than FRE8 for all the parameters considered. This study suggests that the reformulation of Frankfurter-type sausages using roselle extracts is feasible and represents a viable alternative to improve the safety and the nutritional composition of the product.

Halo-phenolic metabolites and their in vitro antioxidant and cytotoxic activities from the Red Sea alga Avrainvillea amadelpha

2021 ◽  
Vol 76 (5-6) ◽  
pp. 213-218
Author(s):  
Usama W. Hawas ◽  
Lamia T. Abou El-Kassem ◽  
Radwan Al-farawati ◽  
Fekri M. Shaher
Keyword(s):  
2D Nmr ◽  
Cytotoxic Activities ◽  
Dpph Radical ◽  
Srb Assay ◽  
Phenolic Metabolites ◽  
2D Nmr Spectra ◽  
New Compounds ◽  
Benzaldehyde Derivatives ◽  
Mcf 7

Abstract From the green alga Avrainvillea amadelpha, two new naturally halo-benzaldehyde derivatives were isolated by various chromatographic methods along with 10 known metabolites of bromophenols, sulfonoglycolipid, and steroids. Based on the 1D and 2D NMR spectra as well as on MS data, the structures of the new compounds were identified as 5-bromo-2-(3-bromo-4-hydroxybenzyl)-3,4-dihydroxybenzaldehyde named avrainvilleal (1), and 3-iodo-4-hydroxy-benzaldehyde (2). Using SRB assay, both compounds showed mild and weak cytotoxic activity against HeLa and MCF-7 cancer cell lines, compared to the good activity of their extract (IC50 values 3.1 and 4.3 μg/mL, respectively). However, avrainvilleal (1) displayed an effective scavenged DPPH radical activity with IC50 value 3.5 μM, compared to the antioxidant quercetin with IC50 value 1.5 μM.

scholarly journals Drying Characteristics and Physical and Nutritional Properties of Shrimp Meat as Affected by Different Traditional Drying Techniques

2016 ◽  
Vol 2016 ◽  
pp. 1-5 ◽  
Author(s):  
P. T. Akonor ◽  
H. Ofori ◽  
N. T. Dziedzoave ◽  
N. K. Kortei
Keyword(s):  
Ash Content ◽  
Moisture Loss ◽  
Drying Methods ◽  
Moisture Removal ◽  
Solar Drying ◽  
Nutritional Properties ◽  
Drying Characteristics ◽  
Red Color ◽  
Drying Techniques

The influence of different drying methods on physical and nutritional properties of shrimp meat was investigated in this study. Peeled shrimps were dried separately using an air-oven dryer and a tunnel solar dryer. The drying profile of shrimp meat was determined in the two drying systems by monitoring moisture loss over the drying period. Changes in color, proximate composition, and rehydration capacity were assessed. The rate of moisture removal during solar drying was faster than the air-oven drying. The development of red color during drying was comparable among the two methods, but solar-dried shrimps appeared darker (L⁎=47.4) than the air-oven-dried (L⁎=49.0). Chemical analysis indicated that protein and fat made up nearly 20% and 2% (wb) of the shrimp meat, respectively. Protein and ash content of shrimp meat dried under the two dryer types were comparable but fat was significantly (p<0.05) higher in oven-dried meat (2.1%), compared to solar-dried meat (1.5%). Although rehydration behavior of shrimp from the two drying systems followed a similar pattern, solar-dried shrimp absorbed moisture more rapidly. The results have demonstrated that different approaches to drying may affect the physical and nutritional quality of shrimp meat differently.

Differential Analysis of 2D NMR Spectra: New Natural Products from a Pilot-Scale Fungal Extract Library

2007 ◽  
Vol 46 (6) ◽  
pp. 901-904 ◽  
Author(s):  
Frank C. Schroeder ◽  
Donna M. Gibson ◽  
Alice C. L. Churchill ◽  
Punchapat Sojikul ◽  
Eric J. Wursthorn ◽  
...  
Keyword(s):  
Natural Products ◽  
Nmr Spectra ◽  
2D Nmr ◽  
Pilot Scale ◽  
Differential Analysis ◽  
Fungal Extract ◽  
2D Nmr Spectra
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