aoac method
Recently Published Documents


TOTAL DOCUMENTS

431
(FIVE YEARS 34)

H-INDEX

18
(FIVE YEARS 1)

2021 ◽  
Vol 9 (3) ◽  
pp. 1067-1073
Author(s):  
Rajeswari N ◽  
V. Premala Priyadharshini

Barnyard millet (Echinochloa frumentacaea) is an indigenous under utilized millet variety of south India with bounty of health benefits due to the abundance of dietary fiber antioxidant and minerals like iron. This gluten free wonder millet can be a healthy alternate dietary source for diabetic, obesity and CVD patients. Scientific evidence based studies on nutritional quality of this millet both in polished and unpolished form is less. The current study aims at “Evaluation of nutritional and nutraceutical content of polished and unpolished barnyard millet”. Both polished and unpolished barnyard millets were procured from local market, cleaned to remove dirt, dust and stone. The cleaned millets were dried powdered and sieved using 60 mesh sieves (250 Micron). The powdered millet flour was stored in airtight container. Nutritional content of Barnyard millet was analysed for macro, micro nutrients and nutraceutical properties of both polished and unpolished form using standard AOAC method - 20th edition (2016). The analysed nutrient content were compared statistically at 99% and 95 % confidence interval (t-test).The result shows that, the quantum of carbohydrate present in polished barnyard millet was 11.37 % lesser than the milled parboiled rice and 9 % lesser than the brown rice and 12.45 % lesser than the raw milled rice. The total dietary fibre content of unpolished barnyard millet was 14.2 gm and polished barnyard millet was 8.5 gm. Crude fibre content of unpolished barnyard millet was noted as 11.2 gm and the same in polished barnyard millet was 4.5gm. The protein content of unpolished barnyard millet (10.4gm) was found to be superior to polished barnyard millet (6.8gm).The presence of nutraceutical components were more nutritionally superior in unpolished barnyard millet compared to polished one.


2021 ◽  
Vol 9 (A) ◽  
pp. 1208-1213
Author(s):  
Sri Sulistyawati Anton ◽  
Agussalim Bukhari ◽  
Aidah Juliaty A. Baso ◽  
Kadek Ayu Erika ◽  
Isymiarni Syarif

Background: Rebon shrimp (Acetes sp.) is a local food in the coastal areas of Southeast Asia that has good nutritional potential. It is a nutrient-rich food, high in protein, and beneficial to human health, but the utilization of rebon shrimp is still very low. Aims: This study aims to measure the proximate and mineral analysis of various rebon shrimp products that can be used as supplementary food, expected to be popularly used and consumed by the Indonesian people, particularly those of low economic income. Methods: The diversified products in this study are meatballs, floss, nuggets, fish sticks, and fish cakes made from Rebon Shrimp (Acetes sp.). The proximate levels were analyzed referring to the AOAC method, The mineral content Fe and Zn were analyzed using the AAS method. The Vitamins A and Vitamin C were determined by spectrophotometric methods and titrimetry methods. Results: This study revealed that rebon shrimp could be used in making children's healthy snacks. Snacks with rebon shrimp contributed to moisture (8.79 – 72.58 %), ash (5.06 – 10.29%), crude protein (20.41 – 27.93 %), crude fat (3.09 – 47.16%), and crude fiber (0.35 – 3.36 %). In addition, these foods also contained several important minerals and vitamins for the body, such as iron (9.47– 56.13 ppm), zinc (4.05– 40.02 ppm), Vitamin A (0.016 – 0.045%), and vitamin C (0.11 – 0.19%). Conclusion: Thus, rebon shrimp is potentially used as an alternative to local ingredients to improve the nutritional quality of children's food.


2021 ◽  
Vol 4 (2) ◽  
pp. a1-5
Author(s):  
Boon Siong Wee ◽  
Muhammad Firdaus Maligan ◽  
Zaini Assim

Stingrays are one of the marine fishes that inhabit the shallow part of the ocean. They are well known to the locals as cuisine and its parts as accessories for items such as handbags, belts, and decorations. Stingrays of species Himantura undulata and Maculabatis gerrardi are commonly caught by fishermen of Sarawak, but most of its nutritional and antinutritional factors both species are unknown. This study focused on the analysis of some proximate composition such as moisture, ash, and lipid content. Analysis of total organic matter was done as well. The stingrays were obtained from local fish market in Kuching, Sarawak. The method used for moisture (wet basis), ash, and total organic matter is of AOAC (method 930.15), while crude lipid content was based on the Chedoloh method of extraction. The study revealed that H. undulata and M. gerrardi are nutritious in terms of moisture, ash, and lipid content to be 78.44 and 80.74% (dry basis), 0.48 and 1.37%, 2.46 and 7.74% respectively.  


2021 ◽  
Vol 6 (2) ◽  
pp. 163
Author(s):  
Made Darawati ◽  
Andi Eka Yunianto ◽  
Tetty Herta Doloksaribu ◽  
AASP. Chandradewi

Local food can be used as an alternative to additional food for toddlers, namely food bars. The study was conducted in June-November 2017. The design of this research was experimental using a completely randomized design (CRD). The food bar formulation was mixed with 20g and 25g tuna, while 20g and 25g mackerel fish. Organoleptic test data were analyzed using ANOVA. Proximate analysis of food bars using the AOAC method. Food bars' essential amino acid content was carried out using LCMS and total microbial analysis using the ALT method. Food bar analysis selected from the test results by semi-trained panelists and consumer panelists is f4 with 25g tuna mixing with indicators of color (p= 0,000), aroma (p= 0,003), taste (p= 0,040), and texture (p= 0,167). Food bar in 100 grams contains: energy 470,77 kcal, 15,65% protein, 24,13% fat, 47,74% carbohydrates, 2.14% ash, and 10.33% water. The results of the total microbial test on the food bar showed a value of 4,5 x 102 cfu/g and an Aw value of 0,86. Food bar formula F4 is a formula selected by panellists that contain ten high essential amino acids


Author(s):  
C. E. Oguazu ◽  
K. H. Adimora ◽  
B. A. Anajekwu ◽  
C. C. Dike ◽  
C. G. Ikimi

Background and Objectives: Guava (Psidium guajava) belongs to the family Myrtaceae. It has been cultivated in Nigeria one of the most common fruits in Nigeria. It has become popular because of its availability almost throughout the year. The objective of this study is to evaluate the nutritional and vitamin contents of the flesh of the local and improved guava species. Materials and Methods: Proximate components were determined using the AOAC method for the moisture, ash, crude lipid, nitrogen content (crude protein) and Carbohydrate. Vitamins A, B1, B2, B3, B6 and B12 were analyzed using standard methods. Results: The result showed that moisture and carbohydrate content of the improved white guava flesh is low compared with the local white guava species (9.8825 and 14.4015%) and (56.378 and 62.802%), respectively. The ash, fat, fibre and protein content of the improved white guava flesh are high compared with the local guava species (11.25 and 5.15%), (5.55 and 1.335%), (6.6145 and 6.5865%) and (10.325 and 8.225%). Improved White guava flesh is relatively low in Vitamin A, vitamin B3, vitamin B6 and vitamin C compared to local white guava flesh, while the local white guava flesh is relatively poor in vitamin B1, vitamin B2 and vitamin E compared to improved white guava flesh. Conclusion: The present findings suggest guava flesh as a considerable source of nutrients in the diet and may have health and economic benefits due to its vitamins, and nutritional composition.


Food systems ◽  
2021 ◽  
Vol 4 (2) ◽  
pp. 144-153
Author(s):  
Ju. V. Nikitina ◽  
E. V. Topnikova ◽  
O. V. Lepilkina ◽  
O. G. Kashnikova

The features of technologies for low- and lactose-free dairy products, which provide for special operations to hydrolyze lactose or remove it using ultra- or nanofiltration followed by hydrolysis of the residual amount, are considered. Dairy products manufactured using these technologies in different countries as well as enterprises leading in this field of production are presented. The analysis of the methods used to determine the quantitative content of residual lactose in low- and lactose-free dairy products is carried out: enzymatic, HPLC, HPAEC-PAD, amperometric biosensors, Raman spectroscopy. Due to the dairy industry’s need for analytical methods for the determination of lactose in milk and dairy products with low- or lactose-free content, the AOAC Stakeholder Group on Strategic Food Analysis Methods approved Standard Performance Requirements for Biosensor Methods (SMPR®) 2018.009. These requirements were introduced for the quantitative determination of lactose in milk as well as in dairy and milk-containing products with a low or no lactose content. The biosensor method is recommended for use as the official first step of AOAC method. Additionally, it is advisable to use high performance liquid chromatography (HPLC) with mass spectrometric detection, as well as high performance anion exchange chromatography with pulsed amperometric detection (HPAEC-PAD) as an international standard method of analysis for the determination of lactose in milk with low- or lactose-free content.


Foods ◽  
2021 ◽  
Vol 10 (7) ◽  
pp. 1574
Author(s):  
Ramlah Mohamad Ibrahim ◽  
Nurul Nadiah Mohamad Nasir ◽  
Md Zuki Abu Bakar ◽  
Rozi Mahmud ◽  
Nor Asma Ab Razak

Edible bird’s nest (EBN) produced by Aerodramus fuciphagus has a high demand for nutritional and medicinal application throughout the world. The present study was to evaluate the authentication of a man-made house EBN, which are half cup and stripe-shaped by FTIR. Next, both samples were compared according to their metabolite, nutritional, and mineral composition. The results indicated that the FTIR spectra of both EBN samples were identical and similar to the reference, suggesting the authenticity of the EBN used. The metabolites that contribute to the possible medicinal properties of EBN were found by using GC-MS. The results of the proximate analysis, followed by the standard AOAC method, inferred that both EBN shapes to be rich in crude protein and carbohydrate contents. However, the proximate composition between the half cup and stripe-shaped EBN showed significant differences. Major mineral elements detected were calcium and sodium, and magnesium contents were significantly different between both EBN. Additionally, the half cup and stripe-shaped EBN had a low level of heavy metal content than the maximum regulatory limit as set by the Malaysian Food Act 1983. This study concludes that the nutritional composition varied between the samples and thus suggests that nutrient content should be considered as criteria for the grading requirement of commercialized EBN.


2021 ◽  
pp. 72-81
Author(s):  
Sira Bamba ◽  
Adama Coulibaly ◽  
Sidibe Daouda ◽  
Nyamien B. Yves ◽  
Biego Godi Henri Marius

Aims: The objective of this study is to estimate the health risk incurred by the Ivorian adult consumer as a result of exposure to AFB1 and the sum of aflatoxins (AFT) through the consumption of maize. Place and Duration of Study: During this study 375 samples of maize (grains, cobs, spathes) were taken from February 2016 to January 2017 and the analyzes were carried out at the Biotechnology Laboratory, Agriculture and Development of Biological Resources of the Félix HOUPHOUËT-BOIGNY University. Methodology: The detection of aflatoxins (AFB1, AFB2, AFG1, and AFG2) was performed by HPLC using the AOAC method. The risk analysis procedure was conducted according to the Codex Alimentarius risk analysis model. It consisted of a quantitative assessment. The quantitative estimation of the aflatoxin exposure was performed according to the deterministic approach. Results: The results indicate the presence of aflatoxins B1, B2, G1 and G2 in all forms of maize (grains, cobs, spathes) and in the five regions visited. The average concentrations of aflatoxin B1 (AFB1) and the sum of aflatoxins (AFT) ranged from 0.79 ± 0.04 µg/kg to 130.31 ± 22.56 µg/kg and from 2.63 ± 2.35 µg/kg to 169.13 ± 40.39 µg/kg, respectively. Subsequently, the Estimated Daily Intakes (EDI) by consumption of aflatoxin-contaminated maize vary according to the level of contamination. They range from 0.28±0.00 ng/kg body weight/day to 52.85±9.14 ng/kg body weight/day for AFB1 exposure. They ranged from 1.00±0.85 ng/kg body weight/day to 68.57± 16.28 ng/kg body weight/day for AFT exposure. Samples of maize grains and cobs from the Gbèkê, Poro and Hambol regions showed low daily doses below the reference values (2.028 ng/kg body weight/day and 4.056 ng/kg body weight/day). The opposite results are observed with samples (grains, ears and spathes) from Indenié-Djuablin and Gountougo. Conclusion: The results of the daily doses of aflatoxin exposure of these regions show a need for monitoring their production. Thus, the implementation of efficient technical itineraries throughout the maize distribution chain, both during production, post-harvest processing, and conservation will be able to guarantee a better sanitary quality of this agricultural food product.


2021 ◽  
Vol 4 (1) ◽  
pp. 62
Author(s):  
Arsad Arsad ◽  
Mohamad Nuh Ibrahim ◽  
Haslianti Haslianti

ABSTRACT         This study aims to determine the influence of the use of coconut fiber smoke and corn cob against the smoke-high fish and the chemical content of smoked fish. This research uses the group Random Plan (RAK) consisting of three treatments, namely (P1) Coconut husks 3 Kg, (P2) Corn Cob 3 KG, (P3) coconut husks, and Corn cob 3 Kg. Analysis of sensory tests and chemical content (AOAC method). The highest sensory test value, (color) P3 6.76, (Bau) P3 6.38, (flavor) P1 7.05 and (texture) P3 6.14. The highest value of chemical content, the moisture content in Treatment (P3) with a value of 10.06%, ash content (P3) with a value of 8.48%, protein level with value, (P1) 46.64%, and fat with a value (P2) 16.02. The real Difference test statistics (DMRT) show that there are very real influences on, Aroma, ash content, and fat content. Keywords: Sardinella fimbriata, smoke, sensory test, chemical content.ABSTRAKPenelitian ini bertujuan untuk Mengetahui pengaruh pengunaan bahan pengasap sabut kelapa dan tongkol jagung terhadap ikan tembang asap nilai sensori dan kandungan kimia ikan tembang asap. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) yang terdiri tiga perlakuan yaitu (P1) Sabut Kelapa 3 Kg, (P2) Tongkol Jagung 3 Kg, (P3) Sabut Kelapa dan Tongkol Jagung 3 Kg. Analisis uji Sensori dan kandungan kimia (metode AOAC). Nilai uji Sensori tertinggi, (Warna) P3 6,76, (Bau) P3 6,38, (Rasa) P1 7,05 dan (Tekstur) P3 6,14. Nilai kandungan kimia tertinggi, kadar air pada perlakuan (P3) dengan nilai 10,06%, kadar abu (P3) dengan nilai 8,48%, kadar protein dengan nilai, (P1) 46,64% dan Lemak dengan nilai (P2) 16,02. Dari statistik uji beda nyata (DMRT) menunjukan bahwa terdapat pengaruh sangat nyata pada, Aroma, Kadar Abu dan  Kadar Lemak.Kata kunci: Sardinella  fimbriata, asap, uji sensori, kandungan kimia


Author(s):  
Sira Bamba ◽  
Henri Marius Godi Biego ◽  
Adama Coulibaly ◽  
Nyamien B. Yves ◽  
Sidibe Daouda

Aims: The aim of this work is to assess the level of aflatoxins contamination in maize produced in five regions (Poro, Hambol, Gontougo, Gbêkê, Indénié-Djuablin) of Côte d'Ivoire. Place and duration of study: In this study 375 samples of maize (grains, cobs, spathes) were taken from February 2016 to January 2017 and the aflatoxin analyses were carried out at the Biotechnology Laboratory, Agriculture and Development of Biological Resources of the Félix Houphouët-Boigny University. Methodology: The aflatoxins (B1, B2, G1 and G2) were extracted and assayed by High Performance Liquid Chromatography (HPLC) according to the AOAC method. Results: The results indicate the presence of aflatoxins B1, B2, G1 and G2 in all forms of maize (grains, cobs, spathes) and in the five regions chosen for the study. The mean concentrations of aflatoxins B1 (AFB1) and the total aflatoxins (AFT) varied from 0.79 ± 0.04 µg/kg to 130.31 ± 22.56 µg/kg and from 2.63 ± 2,35 µg/kg to 169.13 ± 40.39 µg/kg respectively. samples from Indénié-Djuablin, Hambol and Gountougo regions showed the highest proportions of non-compliance with the european Union limit of 5 μg/kg and 10 μg/kg. Regarding AFB1, these proportions vary from 0% to 46% in the regions of Gbêkê, Poro and Hambol, while they are between 54% and 96% in the regions of Indénié-Djuablin and Gontougo. For total aflatoxins, the proportions of non-compliant samples were between 0% and 40% (Gbêkê and Poro), 12% and 56% (Hambol), 56% and 96% (Indénié-Djuablin and Gontougo). Conclusion: These results demonstrate a need for monitoring of maize production by stakeholders in the sector who should adopt good agricultural practices.


Sign in / Sign up

Export Citation Format

Share Document