Effect of protein enrichment on quality characteristics and glycemic index of gluten free sweet potato (Ipomoea batatas L.) spaghetti

Author(s):  
Namrata A. Giri ◽  
B. K. Sakhale
Foods ◽  
2021 ◽  
Vol 10 (12) ◽  
pp. 3121
Author(s):  
Alina Culetu ◽  
Denisa Eglantina Duta ◽  
Maria Papageorgiou ◽  
Theodoros Varzakas

Hydrocolloids are important ingredients controlling the quality characteristics of the final bakery products. Hydrocolloids are frequently used in gluten-free (GF) recipes, mimicking some rheological properties of gluten, improving dough properties, delaying starch retrogradation and improving bread texture, appearance and stability. Hydrocolloids addition increases viscosity and incorporation of air into the GF dough/batter. Besides their advantages for the technological properties of the GF bread, hydrocolloids addition may impact the glycemic index (GI) of the final product, thus answering the demand of people requiring products with low GI. This review deals with the application of hydrocolloids in GF bread and pasta with a focus on their effect on dough rheology, bread hardness, specific volume, staling and GI.


2012 ◽  
Vol 2 (7) ◽  
pp. 280 ◽  
Author(s):  
Amaka Odenigbo ◽  
Jamshid Rahimi ◽  
Michael Ngadi ◽  
Somaia Amer ◽  
Arif Mustafa

Background: Sweet potato (Ipomoea batatas L.) is a very rich source of starch. There is increased interest in starch digestibility and the prevention and management of metabolic diseases.Objective: The aim of this study was to evaluate the levels of starch fractions and predicted glycemic index of different cultivars of sweet potato.Material and Method: French fries produced from five cultivars of sweet potato (‘Ginseng Red’, ‘Beauregard’, ‘White Travis’, ‘Georgia Jet clone #2010’ and ‘Georgia Jet’) were used. The level of total starch (TS), resistant starch (RS), digestible starch (DS), and starch digestion index starch digestion index in the samples were evaluated. In vitro starch hydrolysis at 30, 90, and 120 min were determined enzymatically for calculation of rapidly digestible starch (RDS), predicted glycemic index (pGI) and slowly digestible starch (SDS) respectively. Results: The RS content in all samples had an inversely significant correlation with pGI (-0.52; P<0.05) while RDS had positive and significant influence on both pGI (r=0.55; P<0.05) and SDI (r= 0.94; P<0.01). ‘White Travis’ and ‘Ginseng Red’ had higher levels of beneficial starch fractions (RS and SDS) with low pGI and starch Index (SDI), despite their higher TS content. Generally, all the cultivars had products with low to moderate GI values. Conclusion: The glycemic index of these food products highlights the health promoting characteristics of sweet potato cultivars.Keywords: Sweet potato, Ipomoea batatas L, French fries, in vitro starch digestibility, glycemic index, resistant starch


2019 ◽  
Vol 3 (2) ◽  
pp. 107 ◽  
Author(s):  
Ruly Dwi Arysanti ◽  
Sulistiyani Sulistiyani ◽  
Ninna Rohmawati

Background: Diabetes mellitus is one of the degenerative diseases that have increased prevalence every year. Diet arrangement by the selection of type and amount which a low glycemic index are methods that can applied by diabetic in diet implementation. Researchers want to modify the white sweet potato pudding with addition of red dragon fruit to obtain low glycemic index, low carbohydrate, and high fiber food products.Objective: The purpose of this study was to analyze the glycemic index, nutrient content, and the acceptance capability of white sweet potato pudding with addition of red dragon fruit by 25%, 50%, and 75%. Method: The research method used is true experimental with post-test only control design. The researcher subject were 10 student for index glicemyc test and 25 diabetics patient for acceptance capability.Result: The pudding glycemic index with 4 treatment (K, P1, P2, and P3) were 37.75; 33.81; 32.81; and 29.54. The higher addition of red dragon fruit can pudding low carbohydrate and fiber level. Pudding with addition of 75% red dragon fruit was the the most preferred pudding by panelists. Conclusion: In conclusion, there was no significant difference in the addition of red dragon fruit to white sweet potato pudding. The addition of red dragon fruit had a significant difference in carbohydrate levels, and fiber content. The pudding was well received by the panelists in terms of taste, texture, aroma, and color, but based on the statistical results only the taste received had a significant difference.ABSTRAKLatar Belakang: Diabetes melitus merupakan salah satu penyakit degeneratif yang mengalami peningkatan prevalensi setiap tahunnya. Pengaturan diet dengan pemilihan jenis dan jumlah makanan berindeks glikemik rendah merupakan salah satu cara yang dapat dilakukan oleh diabetisi dalam penatalaksanaan diet. Peneliti ingin memodifikasi puding ubi jalar putih dengan penambahan buah naga merah untuk mendapatkan produk pangan dengan indeks glikemik dan kadar karbohidrat rendah serta kadar serat tinggi.Tujuan: Penelitian ini bertujuan untuk menganalisis indeks glikemik, kandungan gizi (kadar karbohidrat dan kadar serat) serta daya terima puding ubi jalar putih dengan penambahan buah naga merah sebesar 25%, 50%, dan 75%.Metode: Metode penelitian yang digunakan adalah true eksperimental dengan post-test only control design. Subjek penelitian sebanyak 10 orang mahasiswa untuk uji indeks glikemik dan 25 orang penderita diabetes melitus untuk uji daya terima.Hasil: Indeks glikemik puding dengan 4 taraf perlakuan (K, P1, P2, dan P3) adalah 37,75; 33,81; 32,81; dan 29,54. Semakin tinggi penambahan buah naga merah dapat menurunkan kadar karbohidrat dan kadar serat puding. Puding dengan penambahan buah naga merah 75% adalah puding yang paling disukai oleh panelis.Kesimpulan: Kesimpulan dari penelitian ini yaitu tidak terdapat perbedaan yang signifikan terhadap penambahan buah naga merah pada puding ubi jalar putih. Penambahan buah naga merah memiliki perbedaan yang signifikan terhadap kadar karbohidrat, dan kadar serat. Puding tersebut diterima oleh panelis dari segi rasa, tekstur, aroma, dan warna, tetapi berdasarkan hasil statistik hanya daya terima rasa yang memiliki perbedaan yang signifikan.


2011 ◽  
Vol 2011 ◽  
pp. 1-6 ◽  
Author(s):  
Perceval S. Bahado-Singh ◽  
Cliff K. Riley ◽  
Andrew O. Wheatley ◽  
Henry I. C. Lowe

This study investigated the effect of different traditional cooking methods on glycemic index (GI) and glycemic response of ten Sweet potato (Ipomoea batatas) cultivars commonly eaten in Jamaica. Matured tubers were cooked by roasting, baking, frying, or boiling then immediately consumed by the ten nondiabetic test subjects (5 males and 5 females; mean age of 27 ± 2 years). The GI varied between 41 ± 5–93 ± 5 for the tubers studied. Samples prepared by boiling had the lowest GI (41 ± 5–50 ± 3), while those processed by baking (82 ± 3–94 ± 3) and roasting (79 ± 4–93 ± 2) had the highest GI values. The study indicates that the glycemic index of Jamaican sweet potatoes varies significantly with the method of preparation and to a lesser extent on intravarietal differences. Consumption of boiled sweet potatoes could minimize postprandial blood glucose spikes and therefore, may prove to be more efficacious in the management of type 2 diabetes mellitus.


Planta Medica ◽  
2012 ◽  
Vol 78 (11) ◽  
Author(s):  
D Rosas-Ramírez ◽  
R Pereda-Miranda
Keyword(s):  

2018 ◽  
Vol 15 (2) ◽  
pp. 146
Author(s):  
BRILIAN DINANTI ◽  
FITRI HANDAJANI

<p>Liver is an organ with complex metabolism. When the liver is inflamed, cellular immunity will defend against inflammatory agents by stimulating immune cells to produce reactive oxygen species (ROS). Excessive ROS accumulation cause oxydative stress with increased  liver malondialdehyde (MDA) level. Some researches showed that purple sweet potato contain flavonoids (anthocyanins) that functioned as antioxydants. This study aimed to show the prophylactic effect of purple sweet potato extract to the liver MDA level of male Wistar rats induced by carrageenan.</p><p>This study used post-only control group method using 18 male Wistar rats divided into 3 groups: group of rats without treatment, group of rats induced by 0,1 ml of 1% carrageenan by intraplantar injection on day-8, and group of rats given with 872 mg/kgBW of purple sweet potato extract for 7 days and induced by 0,1 ml of 1% carrageenan. In the end of the study, the liver MDA levels were measured by Thio-Barbituric Acid method on each groups.</p><p>The results of One-Way ANOVA test showed there was no significant difference (p = 0,290) between group of rats without treatment (<em>x̅</em>= 207,50) and group of rats induced by carrageenan (<em>x̅</em>=233,17). Then, there is no significant difference (p = 0.978) between group of rats induced by carrageenan and group of rats given with prophylactic purple sweet potato extract and induced by carrageenan (<em>x̅</em>= 232,50).</p><p>The conclusion of this study is giving intraplantar injection of carrageenan can increase liver MDA level insignificantly and giving prophylactic purple sweet potato extract has an effect to decrease the liver MDA level of rats induced by carragenan insignificantly because it contains anthocyanins as antioxidants.</p><p> </p><strong>Keywords: </strong>Liver, <em>Ipomoea batatas</em> L., Malondialdehyde, Anthocyanins


Agrotek ◽  
2018 ◽  
Vol 3 (2) ◽  
Author(s):  
Andrew B. Pattikawa ◽  
Antonius Suparno ◽  
Saraswati Prabawardani

<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>


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