scholarly journals Effects of Steam Treated Rice Straw-Based Diet on the Physico-Chemical Properties of Goats Longissimus Muscle

2021 ◽  
Author(s):  
Muhammad Naeem ◽  
Sher Ali ◽  
Nasir Ali Rajput ◽  
Muhammad Bilal ◽  
Tian Wang
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Rice Straw ◽  
Negative Impact ◽  
Chemical Properties ◽  
Monounsaturated Fatty Acids ◽  
Carcass Yield ◽  
Physico Chemical ◽  
Tbars Values

Abstract The present study was carried out to investigate the effects of steam treated rice straw-based diets on, physico-chemical properties of longissimus muscle of goat. Goats were assigned to rice straw treated with steam at 15.5 kgf/cm2 for 120 Sec (STRS) and untreated rice (UTRS) straw-based diets. After 60 days all goats were slaughtered and 50 g of muscle longissimus dorsi (LD) was removed from left side of carcass for determination of meat quality and fatty acid profile. The results showed that the steam treated rice straw diet improved (P < 0.05) carcass yield and dressing % of goats as compared to untreated rice straw fed goats. Significantly higher protein and lower moisture was observed for meat of STRS group than UTRS, however the fat, ash contents, meat color and pH were not different between the groups. The TBARS values gradually increased in stored meat. The different diet did not affect the composition of fatty acids. Total saturated (∑SFA) monounsaturated fatty acids (∑MUFA) for UTRS and total polyunsaturated fatty acid (∑PUFA) for STRS group was higher (P > 0.05). It is concluded that the goats fed on treated straw diet (STRS) maintained carcass yield, dressing % and meat composition without negative impact on meat characteristics.

scholarly journals Studies on the Physico-Chemical Properties of Siyal Kanta (Argemone mexicana linn) Seed Oil

1970 ◽  
Vol 46 (4) ◽  
pp. 561-564 ◽  
Author(s):  
Gm Ahmed ◽  
MS Rahman ◽  
MR Zaman ◽  
MA Hossain ◽  
MM Uddin ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Silicic Acid ◽  
Column Chromatography ◽  
Seed Oil ◽  
Silicic Acid Column ◽  
Neutral Lipids ◽  
Chemical Properties ◽  
Silicic Acid Column Chromatography ◽  
Physico Chemical

The physico-chemical properties of the extracted oil were studied by the conventional methods. It was observed that Siyal Kanta grown under the soil and climatic condition of Bangladesh contains about 35% of pale yellow coloured oil. The total lipids were fractionated into three major lipid groups, neutral lipids, glycolipid and phospholipids by silicic acid column chromatography. Among the lipids, the neutral lipids were varied from 92.1-92.3%, glycolipid 5.5-5.8% and phospholipid 1.5-1.7% of the total oil of the lipid applied. The oil was also fractionated into mono-, di- and triglyceride by silicic acid column chromatography. The triglycerides were varied from 90.1-90.3%, diglycerides from 2.3-2.8% and monoglycerides from 1.5-1.8%. The saturated and unsaturated fatty acids present in the oil were separated and found to be 14.2-14.5% and 84.2-84.8% respectively depending on the areas in which the plant grows. The fatty acid compositions of the oil were analyzed by Gas Liquid Chromatography (GLC). The major fatty acids found in the oil were oleic acid (23%), linoleic acid (58%), palmetic acid (7%) and ricinoleic acid (10%). Key words: Siyal kanta seed oil; Glyceride; Lipid; Fatty acid. DOI: http://dx.doi.org/10.3329/bjsir.v46i4.9607 BJSIR 2011; 46(4): 561-564

scholarly journals The Fatty Acid Composition and Properties of Oil Extracted from Fresh Rhizomes of Turmeric (Curcuma longa Linn.) Cultivars of Bangladesh

1970 ◽  
Vol 46 (1) ◽  
pp. 127-132 ◽  
Author(s):  
BK Paul ◽  
MMU Munshi ◽  
MN Ahmed ◽  
GC Saha ◽  
SK Roy
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Oleic Acid ◽  
Fatty Acid ◽  
Acid Composition ◽  
Optical Rotation ◽  
Curcuma Longa ◽  
Chemical Properties ◽  
Gas Liquid Chromatography ◽  
Physico Chemical

The fresh rhizomes of Curcuma longa Linn. (Turmeric or Holud) collected from three different places of Bangladesh were investigated to extract oil, its fatty acid composition and its physico-chemical properties. The rhizomes contained 8.76 - 10.92% oil. The percentage compositions of fatty acids were identified and quantified by GLC. The saturated and unsaturated fatty acid contents of three places were found to vary within 22.25 - 23.44% and 76.11 - 77.59%, respectively. Among identified six fatty acids, oleic acid contributed the highest proportion (56.24 - 58.88%), followed by myristic acid (16.25 - 17.71%); whilst, palmitic (5.59 - 6.00%), linoleic (10.90 - 12.82%), linolenic (4.15 - 5.46%) and ecosenoic acid (2.72 - 3.25%) together contributed the rest. Physico - chemical properties of the extracted oil were also investigated. The specific gravity, refractive index, optical rotation were recorded as 0.892 to 0.919 at 30°C, 1.431 to 1.465 at 30°C and +11.54° to +13.56° at 26°C, respectively. The chemical properties like saponification value (195.23 - 205.33), iodine value (75.53 - 90.47), peroxide value (23.25 - 36.16), acid value (11.08 - 11.32), ester value (56.30 - 64.13) and percentage of unsaponifiable matter (8.31 - 15.04%) were determined. Overall fresh Turmeric oil can be considered as a good source of oleic acid. Keywords: Curcuma longa; Fresh turmeric oil; Fatty acid composition; Oleic acid; Gas liquid chromatography. DOI: http://dx.doi.org/10.3329/bjsir.v46i1.8116 Bangladesh J. Sci. Ind. Res. 46(1), 127-132, 2011

scholarly journals Physico-Chemical and Nutritional Studies of Terminalia belerica Roxb. Seed Oil and Seed Kernel

1970 ◽  
Vol 15 ◽  
pp. 117-126 ◽  
Author(s):  
Md Tamzid Hossain Molla ◽  
MT Alam ◽  
M A-U Islam
Keyword(s):  
Fatty Acids ◽  
Oleic Acid ◽  
Fatty Acid ◽  
Seed Oil ◽  
Chemical Properties ◽  
Seed Kernel ◽  
Crude Fibre ◽  
Physico Chemical ◽  
Terminalia Belerica ◽  
Nutritional Studies

Oil was extracted from Terminalia belerica Roxb. seed kernel by solvent extraction process. The whole seed contained 12.28 % oil on dry basis. The physico-chemical properties of the oil were determined. Moisture, ash and crude fibre contents of the seed kernel were found to be 8. 43, 2.54, and 8.78% respectively. The refractive index, co-efficient of viscosity, specific gravity, and energy of activation of the oil were found to be 1.28, 403.6 millipoise at 30°C, 0.93 and 6.97 k.cal/mole respectively. The oil was found to be non-drying. Iodine value, acid value, peroxide value, saponification value, saponification equivalent, ester value, unsaponifiable matter, acetyl value, Reichert-Meissel value, Polenske value, free fatty acids as oleic acid and cholesterol content of the oil were recorded as 107, 3.69, 3.14, 189.24, 296.44, 185.55, 1.24%, 3.78, 0.719, 0.945, 0.87% and 26.59 mg per 100 g oil, respectively. The oil was qualitative and quantitative analysed for fatty acid composition by TLC and GLC. The results showed that the fatty acids of the oil had chain length between C14 to C22. The oil contained 17.70% myristic acid, 21.6% palmitic acid, 45.67% oleic acid and 14.93% stearic acid. The whole kernel was analyzed for some nutrients and minerals. The kernel contained 22.57 and 8.38% total lipid and protein respectively. It also contained 0.19mg, 0.45mg, 0.79g and 1.1mg of vitamin B1, B2, C and A respectively per 100g of kernel. Ca, Mg, K, Na, P, Fe, Mn, Zn and Cu were found to be 0.3, 0.02, 0.2, 0.2, 0.01%; 23, 1, 12 and 12 ppm respectively in kernel and 0.12, 0.05, 1.15, 0.18, 0.45%; 204, 4, 54 and 50 ppm respectively in oil. Key words: T. belerica seed oil and kernel, physico-chemical behaviour, micronutrients, fatty acid profile, GLC.   doi: 10.3329/jbs.v15i0.2211   J. bio-sci. 15: 117-126, 2007

scholarly journals Chemical characterization of oil from four Avocado varieties cultivated in Morocco

OCL ◽  
2021 ◽  
Vol 28 ◽  
pp. 19
Author(s):  
Chaimae Nasri ◽  
Yasmina Halabi ◽  
Hicham Harhar ◽  
Faez Mohammed ◽  
Abdelkabir Bellaouchou ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Chemical Properties ◽  
Principal Component ◽  
Agglomerative Hierarchical Clustering ◽  
Avocado Oil ◽  
Physico Chemical ◽  
Avocado Fruit ◽  
Chi Squared ◽  
Automatic Interaction Detector

The notable growth in the use of avocado oil in the nutritional and cosmetic field was the main objective to valorize the oil production of important varieties of avocados existing in Morocco by analyzing its chemical composition in fatty acids, sterols, tocopherols and its physico-chemical properties. Oleic acid is the main fatty acid in the oil; they constitute between 50 and 65% of the total fatty acids. The study of the unsaponifiable fraction revealed that avocado oil contains 3259.9–5378.8 mg/kg sterols and 113.13–332.17 mg/kg tocopherols. Chemo-metric tools were employed in manner optimization, such as principal component analysis, agglomerative hierarchical clustering, analysis of variance, and classification trees using Chi-squared Automatic Interaction Detector. Chemo-metric tools revealed a difference in the composition of fatty acid, sterols, and tocopherol of avocado oil samples. This difference resulted from a variety of avocado fruits. Agglomerative Hierarchical Clustering (AHC) method was efficient distinguishing avocado oil samples based on fruit variety using fatty acids, tocopherols, sterol compositions and total sterol. Principal component analysis (PCA) method allowed the distinction the set avocado oil dataset based on fruit varieties, supplied a correct discrimination rate of 95.44% for avocado fruit varieties using the fatty acid. Chi-squared Automatic Interaction Detector (CHAID) carried out using the same variables, also provided an acceptable classification rate of 50% for avocado fruit varieties using the total tocopherol content. Besides, a comparative study of the physico-chemical properties in terms of acidity index, saponification index, iodine index, chlorophylls, carotenoids, and methyl and ethyl esters was performed.

Quality and sensory characteristics of Culatello dry-cured products obtained from the Italian autochthonous pig Suino Nero Lucano and from a modern crossbred pig

2015 ◽  
Vol 55 (9) ◽  
pp. 1192 ◽  
Author(s):  
Annamaria Perna ◽  
Amalia Simonetti ◽  
Immacolata Intaglietta ◽  
Emilio Gambacorta
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Chemical Composition ◽  
Oxidative Stability ◽  
Consumer Preference ◽  
Monounsaturated Fatty Acids ◽  
Sensory Characteristics ◽  
Overall Acceptability ◽  
Tbars Values ◽  
Haem Iron

The effect of the Suino Nero Lucano (SNL) pig genotype and crossbred genotype (CG) on chemical composition, fatty acid profile, oxidative stability, and sensory characteristics of 30 Culatello samples (15 from SNL and 15 from CG pigs) was investigated. SNL pigs showed a slower growth and therefore were older and lighter at slaughter. Samples from SNL pigs showed significantly (P < 0.001) higher amounts of haem iron, intramuscular fat, and monounsaturated fatty acids than those from CG. The oxidative stability, evaluated by measuring the acid, peroxide and TBARS values, was significantly larger in SNL than in CG Culatello. Moreover, Culatello from SNL pigs showed the highest level of consumer preference in term of overall acceptability (P < 0.05), odour (P < 0.001), taste (P < 0.01), appearance (P < 0.05), and consistency (P < 0.01). The present study confirms that the SNL pig represents a useful resource both for the obtainment of products with high nutritional and sensory value and for promoting the economic development of areas where they are raised.

scholarly journals The Fatty Acid Composition and Properties of Oil Extracted from Seeds of Carum roxburghianum Benth. (Radhuni)

1970 ◽  
Vol 46 (1) ◽  
pp. 111-116
Author(s):  
BK Paul ◽  
MN Ahmed ◽  
GC Saha
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Liquid Chromatography ◽  
Oleic Acid ◽  
Fatty Acid ◽  
Acid Composition ◽  
Unsaturated Fatty Acids ◽  
Chemical Properties ◽  
Gas Liquid Chromatography ◽  
Physico Chemical

Carum roxburghianum Benth. (Radhuni) seeds of three different places of Bangladesh were investigated to determine the fatty acid composition and physico-chemical properties of extracted oil. The seeds were found to contain oil ranging from 15.31 to 20.32%. The percentage compositions of fatty acids were identified and quantified by Gas Liquid Chromatography (GLC). The saturated and unsaturated fatty acids in extracts were 4.95 to 6.27% and 93.73 to 94.89%, respectively. Among six fatty acids identified in this study, oleic acid contributed the highest portion (76.44 to 79.16%), whereas, linoleic (1.38%), linolenic (15.28 - 15.40%), stearic (0.70%), palmitic (4.95 - 5.57%) and ecosenoic acid (0.51 - 15.73%) together contributed the rest. Physico-chemical properties of the oil extracted were also investigated. The specific gravity, refractive index, optical rotation were recorded as 0.903 to 0.918 at 30°C, 1.465 to 1.470 at 30°C and +8.54° to +9.56° at 26°C, respectively. The chemical properties like saponification value (183.52 - 193.45), iodine value (80.99 - 120.90), peroxide value (23.25 - 36.16), acid value (143.84 - 162.99), ester value (48.12 - 62.03), percentage of unsaponifiable matter (3.56 - 6.51%), Reicher-Meissel value (2.00 - 3.12), Polenske value (4.12 - 6.20) and Henher value (85.12 - 95.56) were determined. Overall Radhuni seeds oil can be considered as a good source of oleic acid. Keywords: Carum roxburghianum; Radhuni seed oil; fatty acid composition; oleic acid; Gas Liquid Chromatography. DOI: http://dx.doi.org/10.3329/bjsir.v46i1.8113 Bangladesh J. Sci. Ind. Res. 46(1), 111-116, 2011

scholarly journals PROPRIEDADES FÍSICO-QUÍMICAS E PERFIL DOS ÁCIDOS GRAXOS DO ÓLEO DA ANDIROBA

Nativa ◽  
2018 ◽  
Vol 6 (2) ◽  
pp. 147
Author(s):  
Leirson Rodrigues Silva
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Chemical Properties ◽  
Iodine Content ◽  
Acid Number ◽  
Native Plant ◽  
Carapa Guianensis ◽  
The North ◽  
Physico Chemical ◽  
Functional Components

Andiroba (Carapa guianensis Aublet, Meliaceae) é uma planta nativa do Brasil, principalmente encontrada na região Norte. Esta tem sido reconhecida pelas suas propriedades fitoterápicas e medicinais, inclusive aos do óleo vegetal, mesmo assim ainda são necessários estudos mais aprofundados a respeito da caracterização pós-colheita do fruto. O objetivo deste estudo foi avaliar no óleo fixo extraído da semente de andiroba, as propriedades físico-químicas e o perfil dos ácidos graxos. O óleo fixo foi obtido sob prévia extração por prensagem a frio e caracterizado quanto a: ácidos graxos livres (%), índice de acidez (mg. NaOH/g-1), índice de peróxidos (meq/1000g), índice de saponificação (mg. KOH/g-1), índice de iodo (g. I2/100g-1), pH, polifenóis extraíveis totais (mg. 100g-1), cor (L*, a*, b* e °Hue) e composição em ácidos graxos (%). Os resultados das propriedades físico-químicas demonstraram que estes se enquadram dentro dos padrões recomendados pelos órgãos regulamentadores de identidade e qualidade de óleos vegetais. Ao mesmo tempo, a análise cromatográfica apresentou como ácido graxo insaturado majoritário, o ácido oleico cujo valor foi de 42,71%. Além disso, o óleo apresentou o ácido palmítico (31,02%) como o principal ácido graxo saturado constituinte. Portanto, o óleo aqui estudado apresentou excelentes características de qualidade, assim como grande potencial químico-farmacológico.Palavra-chave: Carapa guianensis Aublet, Meliaceae, qualidade, componentes funcionais, cromatografia. PHYSICO-CHEMICAL PROPERTIES AND PROFILE OF ANDIROBA OIL FATTY ACIDS ABSTRACT:Andiroba (Carapa guianensis Aublet, Meliaceae) is a native plant of Brazil, mainly found in the North region. This has been recognized for its phytotherapeutic and medicinal properties, including those of vegetable oil, even though further studies on postharvest characterization of fruit are still required. The objective of this study was to evaluate the oil fixed extracted from the andiroba seed, the physicochemical properties and the profile of the fatty acids. The fixed oil was obtained under prior extraction by cold pressing and characterized as: free fatty acids (%), acid number (mg. NaOH/g-1), peroxide index (meq/1000g), saponification index (mg. KOH/g-1), iodine content (g. I2/100g-1), pH, total extractable polyphenols (mg. 100g-1), color (L *, a *, b * and °Hue) and fatty acid composition (%). The results of the physico-chemical properties have shown that these are within the standards recommended by the regulating organs of identity and quality of vegetal oils. At the same time, the chromatographic analysis presented as the majority unsaturated fatty acid, the oleic acid whose value was 42,71%. In addition, the oil had palmitic acid (31,02%) as the main constituent saturated fatty acid. Therefore, the oil studied here presented excellent quality characteristics, as well as great chemical-pharmacological potential.Keywords: Carapa guianensis Aublet, Meliaceae, quality, functional components, chromatography. DOI:

scholarly journals Physico-chemical properties and fatty acid composition of Chrozophora tinctoria seeds as a new oil source

2019 ◽  
Vol 70 (4) ◽  
pp. 328 ◽  
Author(s):  
S. Hazrati ◽  
S. Nicola ◽  
S. Khurizadeh ◽  
A. Alirezalu ◽  
H. Mohammadi
Keyword(s):  
Fatty Acids ◽  
Antioxidant Activity ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Acid Composition ◽  
Seed Oil ◽  
Chemical Properties ◽  
Total Phenolic ◽  
High Unsaturated Fatty Acid ◽  
Physico Chemical

Chrozophora tinctoria L., usually known as dyer’s Croton, Turnsole or Giradol, has been used in various medicinal and food products for many years. However, no comprehensive research has been undertaken to assess its potential as a new seed oil crop. Therefore, the current study examined the fatty acid composition, physico-chemical properties and antioxidant activity of C. tinctoria seeds, grown in the southwest of Iran. The seed oil content was found to be 26.40%. The extracted oil was analyzed for fatty acid composition using gas chromatography (GC). The results showed that unsaturated fatty acids accounted for almost 91% of the total fatty acids. Linoleic acid was the dominant fatty acid (76.68%), followed by oleic acid (13.99%) and palmitic acid (5.32%). δ-tocopherol was the major tocopherol in the oil, representing 70 mg/100 g oil. The total phenolic content (151.70 mg GAE per 100 g oil) and total flavonoid content (1.17 mg QE oil) were also determined in the extracted oil. The antioxidant activity was measured by a DPPH assay and expressed as 45% of the seed oil. Due to its high oil yield and high unsaturated fatty acid content, C. tinctoria could be regarded as a new source of edible oil.

Extraction and Determination of Physico-chemical Properties of Oil from Watermelon Seeds (Citrullus lanatus L) to Use in Internal Combustion Engines

2017 ◽  
Vol 68 (11) ◽  
pp. 2676-2681
Author(s):  
Mihaela Gabriela Dumitru ◽  
Dragos Tutunea
Keyword(s):  
Fatty Acid ◽  
Internal Combustion Engines ◽  
Fossil Fuels ◽  
Citrullus Lanatus ◽  
Combustion Process ◽  
Chemical Properties ◽  
Physico Chemical ◽  
Mean Diameter ◽  
Geometrical Mean ◽  
Reduction Of Nox

The purpose of this work was to investigate the physicochemical properties of watermelon seeds and oil and to find out if this oil is suitable and compatible with diesel engines. The results showed that the watermelon seeds had the maximum length (9.08 mm), width (5.71mm), thickness (2.0 mm), arithmetic mean diameter (5.59 mm), geometrical mean diameter (4.69 mm), sphericity (51.6%), surface area (69.07), volume 0.17 cm3 and moisture content 5.4%. The oil was liquid at room temperature, with a density and refractive index of 0.945 and 1.4731 respectively acidity value (1.9 mgNaOH/g), free fatty acid (0.95 mgNaOH), iodine value (120 mgI2/100g), saponification value (180 mgKOH/g), antiradical activity (46%), peroxide value (7.5 mEqO2/Kg), induction period (6.2 h), fatty acid: palmitic acid (13.1%), stearic acid (9.5 %), oleic acid (15.2 %) and linoleic acid (61.3%). Straight non food vegetable oils can offer a solution to fossil fuels by a cleaner burning with minimal adaptation of the engine. A single cylinder air cooled diesel engine Ruggerini RY 50 was used to measure emissions of various blends of watermelon oil (WO) and diesel fuel (WO10D90, WO20D80, WO30D70 and WO75D25). The physic-chemical properties of the oil influence the combustion process and emissions leading to the reduction of NOX and the increase in CO, CO2 and HC.

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