scholarly journals Java Red Rice (Oryza sativa L.) Nutritional Value and Anthocyanin Profiles and Its Potential Role as Antioxidant and Anti-Diabetic

2021 ◽  
Vol 21 (4) ◽  
pp. 968
Author(s):  
Ayu Tri Agustin ◽  
Anna Safitri ◽  
Fatchiyah Fatchiyah
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Nutritional Value ◽  
Red Rice ◽  
Frap Assay ◽  
Rice Varieties ◽  
Total Anthocyanin ◽  
Antioxidant Power ◽  
Pigmented Rice ◽  
Ic50 Value

This study investigates nutritional value, amino acid profile, and total anthocyanin in pigmented rice as an antioxidant and anti-diabetic agent. Six rice varieties were extracted using 0.1% HCl in methanol, namely four red rice, one black rice, and one white rice. Rice extract was used for proximate analysis and amino acid profiling. Total anthocyanin was measured and identified by ultraviolet-visible (UV-Vis) spectrophotometer and thin-layer chromatography (TLC). The antioxidant activity was determined using Ferric-reducing antioxidant power (FRAP) assay, and the α-amylase enzyme-inhibited by anthocyanin extract of red rice as anti-diabetic was measured. The study result showed that the proximate level (carbohydrate, protein, lipid, water, and ash) in pigmented rice was different. Cempo merah red rice is a source of amino acids, both essential and non-essential amino acids that act as good nutrition. The highest total anthocyanin level between red rice varieties of 10.87 mg/g was found in Aek sibundong red rice. High biological function activities as an antioxidant were indicated by Aek sibundong red rice with an IC50 value of 6.65 µg/mL. Aek sibundong red rice shows the lowest IC50 value of 144.46 µg/mL in anti-diabetic activity. Thus, Aek sibundong red rice may have the potential as α-amylase inhibitor for diabetes prevention.

scholarly journals Variability Russian Rice Varieties in Essential Amino Acids Composition

2021 ◽  
Vol 285 ◽  
pp. 02046
Author(s):  
Yulia Goncharova ◽  
Svetlana Verechagina ◽  
Nikolay Ochkas ◽  
Sergey Goncharov
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Amino Acid Composition ◽  
Acid Composition ◽  
Nutritional Value ◽  
Protein Composition ◽  
Essential Amino Acids ◽  
Rice Varieties ◽  
Amino Acids Composition ◽  
White Grain

Rice contains antioxidants, minerals, carbohydrates, lipids, vitamins that make it a functional food. A dozen times higher content of antioxidants was noted in black-grain and red-grain rice varieties as compared to white-grain ones. In terms of protein content, color and white-grain varieties do not differ significantly. The protein composition largely determines the nutritional value and functional properties, as well as the texture and taste of rice. Although rice contains less protein than many cereals, its biological value is highest due to balanced composition of amino acids. Nutritional value of different rice varieties varies greatly due to different amino acid composition. Determination of amino acid composition was carried out on devices Kapel 105 - M. In the work used 50 collection samples of rice. The variability was studied and the sources were identified among domestic rice varieties. To create a new generation varieties with more balanced amino acid composition, it is necessary both to isolate sources with a high content of individual amino acids, and varieties with high characteristics in terms of content complex of amino acids, especially essential ones.

Screening of amino acid constituents from date palm fruits

2016 ◽  
Vol 5 (10) ◽  
pp. 4972
Author(s):  
Lata Birlangi
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
United Arab Emirates ◽  
Nutritional Value ◽  
Date Palm ◽  
Amino Acid Content ◽  
Essential Amino Acids ◽  
Cultivated Plants ◽  
Palm Fruits ◽  
Social Part

The date palm (Phoenix dactylifera L.) is one of mankind’s oldest cultivated plants. The fruit of the date palm is an important crop of the hot arid and semi-arid regions of the world. It has always played a genuine economic and social part in the lives of the people of these areas. The present objective in examining the amino acid content of different varieties of date palm fruits from Middle-East region; is to determine whether its protein could effectively supplement the nutritional value and it is also aimed in finding which variety is rich in number of amino acids. The phytochemical screening revealed the presence of eight essential amino acids and five non-essential amino acids in the date fruits. Among all the date fruit varieties taken as samples for the study, Dabbas cultivar of United Arab Emirates found to exhibit eight types of amino acids which includes five as non-essential ones. Total of thirteen amino acids were detected in the seven date cultivars. Determination of amino acid can serve as a guide to the possible nutritional value.

scholarly journals Changes in Amino Acid Profiles and Bioactive Compounds of Thai Silk Cocoons as Affected by Water Extraction

Molecules ◽  
2021 ◽  
Vol 26 (7) ◽  
pp. 2033
Author(s):  
Chuleeporn Bungthong ◽  
Sirithon Siriamornpun
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Biological Activities ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Silk Protein ◽  
Extraction Time ◽  
Antioxidant Power ◽  
Silk Cocoon ◽  
Amino Acid Profiles

Silk proteins have many advantageous components including proteins and pigments. The proteins—sericin and fibroin—have been widely studied for medical applications due to their good physiochemical properties and biological activities. Various strains of cocoon display different compositions such as amino-acid profiles and levels of antioxidant activity. Therefore, the objectives of this study were to find a suitable silk protein extraction method to obtain products with chemical and biological properties suitable as functional foods in two strains of Bombyx mori silk cocoon (Nangsew strains; yellow cocoon) and Samia ricini silk cocoon (Eri strains; white cocoon) extracted by water at 100 °C for 2, 4, 6 and 8 h. The results showed that Nangsew strains extracted for 6 h contained the highest amounts of protein, amino acids, total phenolics (TPC) and total flavonoids (TFC), plus DPPH radical-scavenging activity, ABTS radical scavenging capacity, and ferric reducing antioxidant power (FRAP), anti-glycation, α-amylase and α-glucosidase inhibition. The longer extraction time produced higher concentrations of amino acids, contributing to sweet and umami tastes in both silk strains. It seemed that the bitterness decreased as the extraction time increased, resulting in improvements in the sweetness and umami of silk-protein extracts.

scholarly journals Comparison of hot water and methanol extraction combined with ultrasonic pretreatment on antioxidant properties of two pigmented rice cultivars

Food Research ◽  
2019 ◽  
Vol 4 (2) ◽  
pp. 547-556
Author(s):  
U. Tobgay ◽  
P. Boonyanuphong ◽  
P. Meunprasertdee
Keyword(s):  
Conventional Method ◽  
Antioxidant Activities ◽  
Hot Water ◽  
Red Rice ◽  
Rice Varieties ◽  
Ultrasonic Pretreatment ◽  
Phenolic Contents ◽  
Pigmented Rice ◽  
Methanol Extraction ◽  
Glutinous Rice

Pigmented rice is considered as the good source of phytochemicals which contains more phenolic contents and higher antioxidant activities compared with non-pigmented rice. However, those phytochemicals are normally extracted using inorganic solvent, using water was rarely found. This study was aimed to compare extraction methods on antioxidant contents and activities of two types of Thai pigmented rice (black glutinous rice and red non-glutinous rice). Pigmented rice was extracted either conventional method alone or a combination of ultrasonic plus conventional method with different solvents (methanol and hot water). Phenolic contents were analyzed by spectrophotometric assay and high-performance liquid chromatography (HPLC). Antioxidant activities were investigated by radical scavenging capacity (ABTS and DPPH). The results showed that ultrasonic pretreatment significantly enhanced the total phenolic, flavonoid, anthocyanin contents and higher antioxidant activities compared with conventional extraction irrespective of solvents and rice varieties. Ultrasonic methanol (UM) extraction proved to extract significant higher content of all the compounds analyzed in both the rice varieties. In contrast, hot water (HW) extracts exhibited the lowest amount of bioactive compounds. However, there was no significant difference between methanol extraction alone and ultrasonic pretreatment with hot water extract on antioxidant contents for black glutinous rice. The contents of individual anthocyanins and flavonoids (cyanidin 3-O-glucoside, peonidin 3-O-glucoside, and quercetin) were significantly increased with ultrasonic pretreatment compare to the conventional method in black glutinous rice while failed to detect the red rice variety. The black glutinous rice contained significantly higher contents of all analyzed compounds and antioxidant activities than red rice. In conclusions, our results demonstrated that ultrasonic pretreatment significantly enhanced antioxidant extraction with higher activities compared with conventional extraction irrespective of solvents and rice varieties. Furthermore, the efficiency of ultrasonic together with hot water extraction was almost equal to methanol extraction which was the one effective solvent for extracting antioxidant.

scholarly journals Пищевая ценность телятины как важнейший критерий оценки мясного сырья для детского питания

2018 ◽  
Vol 8 (1) ◽  
pp. 637-643
Author(s):  
T.L. Holubenko
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Amino Acid Composition ◽  
Acid Composition ◽  
Nutritional Value ◽  
Amino Acid Content ◽  
Essential Amino Acids ◽  
Baby Food ◽  
Black And White ◽  
Balanced Diet

<p><span lang="EN-US">The aim of the research is to assess the amino acid composition of veal from different genotype bull-calves concerning the usage in baby food production. A comparative analysis of the essential amino acids content in meat of calves of <span>black-and-white motley breed,</span> Aberdeen Angus breed and black and white crossbreeds grown according to the traditional technology of dairy cattle breeding hasn’t showed any significant differences. However, some differences were observed for each separate amino acid. Although the difference in amino acids was 2. 9% in favor of <span>black-and-white motley breed</span>. According to the amino acid composition, the calves meat of Charolais breed is biologically more complete than the Aberdeen Angus calves meat of the first generation in the valine content by 7.4%, isoleucine by 45.3% (P &lt;0.001), leucine by 15.2% (P &lt;0.001), lysine by 7.8%, threonine and phenylalanine + tyrosine by 6.5% (P &lt;0.05) and 7.5% (P &lt;0.01), respectively. Amino acid content was limited by the sum of amino acids phenylalanine + tyrosine (80.2%) in purebreds and methionine + cystine (83.4%) in <span>crossbreeds</span>. The other amino acids content was more than 100%; it indicates a high biological and nutritional value of veal. In the first experiment, the degree of compliance with the norms of a balanced diet is 37.4-38.2%. The human body's need for such essential amino acids as valine, isoleucine, phenylalanine + tyrosine is satisfied for more than 20%; the human body's need for leucine, lysine, and threoni9ne is satisfied for more than 30%. Veal of the Charolaise young is distinguished by higher indicators. The degree of its compliance with the norms of a balanced diet is 43.8% against 37.6% in hybrid calves. It is proved that veal obtained from young animals of different breeds in ecologically clean zones has a high biological and nutritional value, it corresponds to the indices for meat raw materials for baby food in accordance with Sanitary Norms 11-63 RB98.</span></p>

scholarly journals Composition and nutritional evaluation of amino acids in Mimai Qu rice wine

2021 ◽  
Vol 33 (2) ◽  
pp. 46-53
Author(s):  
Kaizheng Zhang ◽  
Wenchi Wu ◽  
Wei Zou ◽  
Zhenhui Kang ◽  
Qin Yan ◽  
...  
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Nutritional Value ◽  
Principal Component ◽  
Total Amino Acid ◽  
Linear Regression Method ◽  
Rice Wine ◽  
Chinese Rice Wine ◽  
Acid Ratio ◽  
And Control

An amino acid analyzer was used to detect free amino acids (FAA) in Mimai Qu rice wines (SMW and DMW) and control wine samples (Chinese rice wine [CRW] and Japanese sake [JNS]). It was found that CRW had the highest total amino acid (TAA) content (~2814 mg/L), followed by SMW (~2509 mg/L) and DMW (~1474 mg/L), while JNS had the least (~917 mg/L). Amino acid ratio coefficient method (SRCAA), linear regression method, cluster analysis (CA) and principal component analysis (PCA) were used for evaluating the nutritional value of amino acids in wine samples, giving similar results. SMW had the highest nutritional value, followed by CRW and DMW and JNS.

Effect of amino acid blend as alternative to antibiotics for growing pigs

2022 ◽  
Author(s):  
Maykelly da S Gomes ◽  
Alysson Saraiva ◽  
Dante T Valente Júnior ◽  
Leandro L de Oliveira ◽  
Amanda M Correia ◽  
...  
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Control Diet ◽  
Growing Pigs ◽  
Daily Weight Gain ◽  
Feed Ratio ◽  
Antioxidant Power ◽  
Acid Diet ◽  
Amino Acid Diet ◽  
Intermediate Results

Abstract This study aimed to evaluate the effect of supplementing arginine (Arg) + glutamine (Gln) replacing antibiotics on performance, immune response, and antioxidant capacity of pigs in the growing phase. One hundred and fifty 63-d-old pigs with initial body weight (BW) of 25.0 ± 1.46 kg were distributed in a randomized block design, with three treatments and ten replicates. The three diets were control; antibiotic, control + 100 mg/kg tiamulin and 506 mg/kg oxytetracycline; amino acid, control + 10 g/kg Arg and 2 g/kg Gln. Dietary treatments were fed from 63 to 77 d. Following the treatment period, all pigs were fed the control diet from 77 to 90 d. Data were analyzed using GLIMMIX and UNIVARIATE in SAS 9.4. From 63 to 70 d, pigs fed diets with antibiotics had improved (P &lt; 0.05) average daily feed intake (ADFI), average daily weight gain (ADG), gain to feed ratio (G:F), and 70 d BW compared to those fed control or amino acid diets. From 70 to 77 d, including antibiotics in the diet increased (P &lt; 0.05) ADG and 77 d BW. From 77 to 90 d, pigs fed the amino acid diet had greater (P &lt; 0.05) ADG and ADFI than those fed an antibiotic diet. From 63 to 90 d, although pig performance was not affected (P &gt; 0.05), growth curve of pigs fed the antibiotic diets was different (P &lt; 0.05) from those fed the control and amino acids diets. At 70 d, serum tumor necrosis factor-α and diamine oxidase (DAO) were lower (P &lt; 0.05) in pigs fed the antibiotic diet than the control diet, and pigs fed the amino acid diet had intermediate results. Ferric reducing antioxidant power (FRAP) was lower (P &lt; 0.05) in pigs fed the amino acid diet than the antibiotic diet, and pigs fed the control diet had intermediate results. At 70 and 77 d, serum urea nitrogen was higher (P &lt; 0.05) in pigs fed the amino acid diet. At 77 d, DAO and serum immunoglobulin G was lower (P &lt; 0.05) in pigs fed the antibiotic diet. FRAP was lower (P &lt; 0.05) in pigs fed the amino acid and control diets. Serum malondialdehyde was higher (P &lt; 0.05) in pigs fed the amino acid diet than those fed the control diet, and pigs fed the antibiotic diet had intermediate results. At 90 d, antibiotics or amino acids did not affect (P &gt; 0.05) serum parameters. Amino acid blend supplementation at the selected doses in this study did not positively affect growing pigs. Although from 63 to 77 d, antibiotics improved performance, when considering the overall study period, growing pigs did not benefit from a diet containing antibiotics.

scholarly journals Some Morphological and Biochemical Characteristics of Wild Grown Caucasian Whortleberry (Vaccinium arctostaphylos L.) Genotypes from Northeastern Turkey

2018 ◽  
Vol 47 (2) ◽  
pp. 378-383 ◽  
Author(s):  
Gursel OZKAN ◽  
Sezai ERCISLI ◽  
Alam ZEB ◽  
Guleray AGAR ◽  
Halil Ibrahim SAGBAS ◽  
...  
Keyword(s):  
Organic Acids ◽  
Antioxidant Capacity ◽  
Fruit Shape ◽  
Fruit Weight ◽  
Harvest Date ◽  
Total Phenolic ◽  
Frap Assay ◽  
Total Anthocyanin ◽  
Antioxidant Power ◽  
Biochemical Characteristics

Some important morphological such as fruit weight, fruit external color, fruit shape, the number of berry per cluster, cluster color, plant crown habit, harvest date and biochemical characteristics including sugars, organic acids, total phenolics, total anthocyanins, and antioxidant capacity of thirteen wild grown Caucasian whortleberry sampled from Coruh valley, in northeastern Turkey, were determined. Antioxidant capacity was measured as FRAP assay (ferric reducing antioxidant power). Significantly differences were found among genotypes for most of the selected morphological and biochemical features. The genotypes had in general black fruit color and round shape. Harvest date varied from 2 August to 12 August. Fruit weight ranged from 0.37 to 1.08 g. Genotypes had only fructose and glucose in their fruits as sugars. Citric acid was dominant organic acids and was found between 8.87 and 11.20 g per kg of fresh fruits and followed by tartaric acid (2.85-3.30 g/kg). Fruits of genotypes exhibited very high total phenolic content, which ranged from 3740 to 5541 µg per g on a fresh weight basis. Total anthocyanin contents were between 81 and 172 µg of delphinidin-3-glucoside equivalent in per g fresh fruit indicating great diversity.

scholarly journals Antioxidant and Hepatoprotective Effect of Aqueous Extract of Germinated and Fermented Mung Bean on Ethanol-Mediated Liver Damage

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Norlaily Mohd Ali ◽  
Hamidah Mohd Yusof ◽  
Kamariah Long ◽  
Swee Keong Yeap ◽  
Wan Yong Ho ◽  
...  
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Mung Bean ◽  
Serum Markers ◽  
Hepatoprotective Effect ◽  
Aqueous Extracts ◽  
Antioxidant Power ◽  
Freeze Dried ◽  
Ferric Reducing Antioxidant Power ◽  
Hepatoprotective Effects

Mung bean is a hepatoprotective agent in dietary supplements. Fermentation and germination processes are well recognized to enhance the nutritional values especially the concentration of active compounds such as amino acids and GABA of various foods. In this study, antioxidant and hepatoprotective effects of freeze-dried mung bean and amino-acid- and GABA-enriched germinated and fermented mung bean aqueous extracts were compared. Liver superoxide dismutase (SOD), malondialdehyde (MDA), ferric reducing antioxidant power (FRAP), nitric oxide (NO) levels, and serum biochemical profile such as aspartate transaminase (AST), alanine transaminase (ALT), triglycerides (TG), and cholesterol and histopathological changes were examined for the antioxidant and hepatoprotective effects of these treatments. Germinated and fermented mung bean have recorded an increase of 27.9 and 7.3 times of GABA and 8.7 and 13.2 times of amino acid improvement, respectively, as compared to normal mung bean. Besides, improvement of antioxidant levels, serum markers, and NO level associated with better histopathological evaluation indicated that these extracts could promote effective recovery from hepatocyte damage. These results suggested that freeze-dried, germinated, and fermented mung bean aqueous extracts enriched with amino acids and GABA possessed better hepatoprotective effect as compared to normal mung bean.

Nutritional value of peas (Pisum sativum L.) for broilers: apparent metabolisable energy, apparent ileal amino acid digestibility and production performance

2011 ◽  
Vol 51 (2) ◽  
pp. 150 ◽  
Author(s):  
C. L. Nalle ◽  
V. Ravindran ◽  
G. Ravindran
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Pisum Sativum ◽  
Digestive Tract ◽  
Soybean Meal ◽  
Nutritional Value ◽  
Production Performance ◽  
Partial Replacement ◽  
Pisum Sativum L ◽  
Metabolisable Energy

Two experiments were conducted to evaluate the nutritional value of four cultivars (Santana, Miami, Courier and Rex) of peas (Pisum sativum L.) for broilers. In Experiment 1, the apparent metabolisable energy (AME) and the apparent ileal amino acid digestibility of these four cultivars were determined. The cultivar effects were found to be not significant (P > 0.05) for the AME and apparent ileal digestibility of amino acids, with the exception of arginine, which was lower (P < 0.05) in Courier than other cultivars. In Experiment 2, using the energy and digestible amino acid values determined in Experiment 1, diets containing 200 g/kg of the four cultivars of peas were formulated and the effects of feeding these diets on the performance and digestive tract development of broiler starters was investigated. Weight gain, feed intake and feed per gain of broiler starters fed diets containing peas were similar (P > 0.05) to those fed the maize-soybean meal diet. In general, the digestive tract development was unaffected (P > 0.05) by the inclusion of peas. The excreta scores of birds fed diets based on Santana, Miami and Rex were similar (P > 0.05) and that of the Courier-based diet was lower (P < 0.05) than those fed the maize-soy control diet. These results suggest that peas are good sources of metabolisable energy and digestible amino acids, and that they can be included at 200 g/kg level as a partial replacement for soybean meal in broiler starter diets without adverse effects on performance.

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