Publications by authors named "Wan Rosli Wan Ishak"

7 Publications

  • Page 1 of 1

Substituting white rice with brown and black rice as an alternative to prevent diabetes mellitus type 2: a case-study among young adults in Yogyakarta, Indonesia.

J Diabetes Metab Disord 2020 Dec 2;19(2):749-757. Epub 2020 Jun 2.

Global Nutrition and Epidemiologic Transition (GNET), Kubang Kerian, Kelantan Malaysia.

Purpose: The purpose of this study is to explore the preference and acceptance of white rice substitution with brown and black rice among young adults in Indonesia to prevent diabetes.

Methods: This study used a qualitative design. Rice preference deeply explored using focus group discussion as a case-study. 85 informants with an average of ages 20 years old were divided into several groups. Several topics to discuss include the reasons to accept or reject brown and black rice, knowledge, attitude, motivation, and potency to substitute white rice.

Results: Price was the main barrier to substitute white rice to brown and black rice. The participants have known brown rice from parents, mass media, and friends. Most of them were still unfamiliar with black rice. Culture also affected the preferences of the participants. To motivate people to change their white rice diet, creative packaging and segmentation of the sale were recommended.

Conclusion: Substituting white to brown and black rice is still a challenge for young adults in Indonesia. Several barriers such as culture, accessibility, and affordability need to be considered. Further efforts are important to manage a program to increase brown and black rice consumption.
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http://dx.doi.org/10.1007/s40200-020-00555-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7843910PMC
December 2020

Influence of Avocado Purée as a Fat Replacer on Nutritional, Fatty Acid, and Organoleptic Properties of Low-Fat Muffins.

J Am Coll Nutr 2018 Sep-Oct;37(7):583-588. Epub 2018 Apr 13.

a School of Health Sciences, Universiti Sains Malaysia , Kubang Kerian , Kelantan , Malaysia.

Objective: The feasibility of developing reduced-fat muffins with avocado is investigated by preparing muffins with 25%, 50%, 75%, and 100% avocado purée as a fat (butter) replacer.

Methodology: The resulting products were compared to the control muffin, which was made with 100% butter. Muffins were analyzed for nutritional content, fatty acid profiles, and sensory acceptability.

Result: Muffins incorporated with avocado purée revealed a significant increase (p < 0.05) with respect to moisture, ash, and carbohydrate in comparison with the control sample. However, no significant changes (p > 0.05) were detected in all muffin formulations for protein and dietary fiber content. Both fat content and caloric value of muffins incorporated with avocado purée were significantly decreased (p < 0.05). The fatty acid profile showed that there was an increment in the monounsaturated fatty acids (MUFA) content by 16.51% at full-fat substitution. The sensory evaluation test demonstrated that muffins had acceptability at up to 50% substitution. Fat substitution at higher than 50% lead to undesirable flavor and aftertaste, which was significant (p < 0.05) to the panelists.

Conclusion: The findings indicated the feasibility of avocado purée in fat-reduced muffin preparation with an optimal level of 50% avocado purée substitution.
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http://dx.doi.org/10.1080/07315724.2018.1451408DOI Listing
September 2019

Understanding Dieting and Previous Weight Loss Attempts among Overweight and Obese Participants: Insights into My Body Is Fit and Fabulous at Work Program.

Korean J Fam Med 2018 Jan 23;39(1):15-22. Epub 2018 Jan 23.

Program of Nutrition and Dietetics, School of Health Sciences, Universiti Sains Malaysia, Kelantan, Malaysia.

Background: A qualitative study providing an in-depth exploration of people's view and the increasing burden of overweight and obesity is required. This study aimed to explore the understanding of dieting and previous experiences on weight loss attempts among overweight and obese government employees in Kelantan, Malaysia, prior to recruitment into the intervention program.

Methods: Thirteen focus group discussions involving 129 participants from a weight-loss intervention program were conducted within the first 1 month of recruitment. These discussions were moderated by two trained researchers in the Malay language and assisted by an interview guide. They were audio-recorded and transcribed verbatim. A thematic analysis was performed, and codes and themes from each discussion were constructed.

Results: The participants understood dieting with various meanings, including skipping meals and removing rice from daily diets. They applied numerous methods to lose weight and achieved various outcomes. Health and appearance, social support, and compliance with current trends were the factors motivating these participants to lose weight. Their determination to lose weight was limited by lack of self-control and motivation, experiences of unpleasant effects, influence on weight, and environmental and health factors.

Conclusion: Real-life weight loss experiences and perceptions provided relevant insights into current weight loss management strategies. Some of these issues and misunderstandings should be emphasized in weight loss strategies during health promotion.
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http://dx.doi.org/10.4082/kjfm.2018.39.1.15DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5788840PMC
January 2018

Incorporation of dietary fibre-rich oyster mushroom (Pleurotus sajor-caju) powder improves postprandial glycaemic response by interfering with starch granule structure and starch digestibility of biscuit.

Food Chem 2017 Jul 25;227:358-368. Epub 2017 Jan 25.

Nutrition Program, School of Health Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia. Electronic address:

The purpose of this study was to determine the effects of Pleurotus sajor-caju (PSC) powder addition at 0, 4, 8 and 12% levels on the nutritional values, pasting properties, thermal characteristics, microstructure, in vitro starch digestibility, in vivo glycaemic index (GI) and sensorial properties of biscuits. Elevated incorporation levels of PSC powder increased the dietary fibre (DF) content and reduced the pasting viscosities and starch gelatinisation enthalpy value of biscuits. The addition of DF-rich PSC powder also interfered with the integrity of the starch granules by reducing the sizes and inducing the uneven spherical shapes of the starch granules, which, in turn, resulted in reduced starch susceptibility to digestive enzymes. The restriction starch hydrolysis rate markedly reduced the GI of biscuits. The incorporation of 8% PSC powder in biscuits (GI=49) could be an effective way of developing a nutritious and low-GI biscuit without jeopardizing its desirable sensorial properties.
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http://dx.doi.org/10.1016/j.foodchem.2017.01.108DOI Listing
July 2017

Hypoglycemic and Antidiabetic Effect of Pleurotus sajor-caju Aqueous Extract in Normal and Streptozotocin-Induced Diabetic Rats.

Biomed Res Int 2015 23;2015:214918. Epub 2015 Nov 23.

Biomedicine Program, School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia.

Introduction: Pleurotus sajor-caju (PSC) is an edible oyster mushroom featuring high nutritional values and pharmacological properties. Objective. To investigate the hypoglycemic and antidiabetic effects of single and repeated oral administration of PSC aqueous extract in normal and diabetic rats.

Materials And Methods: A single dose of 500, 750, or 1000 mg/kg of the PSC extract was given to experimental rats to determine the effects on blood glucose (BG) and oral glucose tolerance test (OGTT). The effective dose (750 mg/kg) of PSC extract was repeatedly administrated daily for 21 days in diabetic rats to examine its antidiabetic effects in terms of BG control, body weight, urine sugar, HbA1c, and several serum profiles.

Results: The dose of 750 mg/kg showed the most significant BG reduction (23.5%) in normal rats 6 hours after administration in BG study (p < 0.05). In OGTT study, the same dose produced a maximum BG fall of 41.3% in normal rats and 36.5% in diabetic rats 3 hours after glucose administration. In 21-day study, treated diabetic rats showed significant improvement in terms of fasting BG, body weight, and urine sugar as compared to control diabetic rats.

Conclusion: The study evidenced scientifically the beneficial use of PSC as an alternative medicine in diabetes management.
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http://dx.doi.org/10.1155/2015/214918DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4670847PMC
September 2016

TRADITIONAL CARDIOVASCULAR RISK-FACTORS AMONG HEALTHCARE WORKERS IN KELANTAN, MALAYSIA.

Southeast Asian J Trop Med Public Health 2015 May;46(3):504-11

We conducted a cross sectional study of cardiovascular risk factors among healthcare workers at four government hospitals in Kelantan, Malaysia. We randomly selected 330 subjects fulfilling the following study criteria: those who had been working for at least one year at that health facility, Malaysians citizens and those with some form of direct contact with patients. We conducted an interview, obtained physical measurements, a fasting blood sugar and fasting lipid profiles among 308 subjects. The mean age of the subjects was 43.5 years, 82% were female; 30.8%, 14.3%, 10.4%, 1.3% and 1.6% of the subjects had dyslipidemia, hypertension, diabetes mellitus, a history of stroke and a history of ischemic heart disease, respectively. Forty-two percent of subjects had at least one medical condition. The mean body mass index (BMI) was 27.0 kg/M2 (SD=4.8) and 24.3% had a BMI > or =30 kg/M2. The mean systolic and diastolic blood pressures were 121.5 mmHg (SD=14.0) and 76.5 mmHg (SD=9.7), respectively and the mean waist-hip ratio was 0.84 (SD=0.1). The mean fasting blood sugar, total cholesterol, triglyceride, high density lipoprotein and low density lipoprotein were 5.8 mmol/l (SD=2.4), 5.5 mmol/l (SD=1.0), 1.4 mmol/l (SD=0.9), 1.5 mmol/l (SD=0.3) and 3.5 mmol/l (SD=0.9), respectively. Our study population had a smaller proportion of hypertension than that of the general Malaysian population. They had higher fasting total cholesterol, slightly lower fasting blood sugar, with a large proportion of them, obese and had diabetes. Immediate intervention is needed to reduce the traditional cardiovascular risk factors in this population. Keywords: cardiovascular risk factors, health care workers, Malaysia
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May 2015

Trigonella foenum-graecum seeds lowers postprandial blood glucose in overweight and obese individuals.

J Nutr Metab 2014 3;2014:964873. Epub 2014 Sep 3.

Nutrition Program, School of Health Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian, 16150 Kota Bharu, Kelantan, Malaysia.

This study determined the effects of fenugreek on postprandial plasma glucose (PPG) and satiety among overweight and obese individuals. Fourteen subjects were studied in the morning after overnight fasts on four separate occasions. Glycaemic responses elicited by 50 g carbohydrate portions of white bread and jam with or without 5.5 g of fenugreek and fried rice with or without 5.5 g fenugreek were determined over 2 h. The primary endpoint was the incremental area under the plasma glucose response curve (IAUC). Adding fenugreek to both foods significantly reduced the IAUC compared to the food alone: white bread and jam, 180 ± 22 versus 271 ± 23 mmol × min/L (P = 0.001); fried rice, 176 ± 20 versus 249 ± 25 mmol × min/L (P = 0.001). Fenugreek also significantly reduced the area under the satiety curve for white bread with jam (134 ± 27 versus 232 ± 33 mm × hr, P = 0.01) and fried rice (280 ± 37 versus 379 ± 36 mm × hr, P = 0.01). It is concluded that fenugreek significantly decreased the PPG response and increased satiety among overweight and obese individuals.
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http://dx.doi.org/10.1155/2014/964873DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4167814PMC
October 2014