1.In vitro antiplasmodial activity, macronutrients and trace metals in the medicinal plants: Phyllanthus spp. and Alpinia conchigera Griff
Haslinda, M.S ; Aiyub, Z ; Bakar, N.K.A ; Tohar, N ; Musa, Y ; Abdullah, N.R ; Ibrahim, H ; Awang, K.
Tropical Biomedicine 2015;32(1):129-139
An antiplasmodial screening of Phyllanthus debilis and Phyllanthus urinaria was
carried out. The medicinal plants were extracted and evaluated for in vitro antiplasmodial
activity against D10 (chloroquine-sensitive, CQS) and Gombak A (chloroquine-resistant, CQR)
strains of Plasmodium falciparum. The methanolic crudes from the soxhlet extraction were
active against both strains however, P. urinaria (IC50 8.9 μg/ml with CQR strain) exhibited
better anti-malarial activity compared to P. debilis (IC50 12.2 μg/ml with CQR strain).
Furthermore, the methanolic crude of P. urinaria obtained by the cold extraction has good
anti-malarial activity towards CQS (IC50 4.1 μg/ml). The concentration of macronutrients
(calcium and magnesium) and trace metals (copper, manganese, iron and zinc) from three
Phyllanthus species i.e. P. debilis Klein ex Wild., Phyllanthus niruri L., P. urinaria L. and
Alpinia conchigera Griff. were determined using microwave digestion method and analyzed
by Flame Atomic Absorption Spectroscopy. Standard Reference Material 1547 (peach leaves)
was used to validate the method throughout this study. The recovery values were in the range
of 80% to 120% which were in very good agreement with the certified values. The three
Phyllanthus species and leaves of A. conchigera showed the highest concentration of calcium
compared to other metals and macronutrients studied. The significant presence of all the
important macronutrients and trace metals which are essential for human health and wellbeing
substantiate their use medicinally in traditional practices.
2.Development and Validation of a Food Frequency Question¬naire for Vitamin D intake among Urban Pregnant Women in Malaysia
Zaleha MI ; Khadijah S ; Noriklil Bukhary Khor GL ; Zaleha AM ; Haslinda H ; Noor Sharifatul Hana Y ; Hasanain Faisal G
Malaysian Journal of Nutrition 2015;21(2):179-190
Introduction: A culturally valid tool is lacking in order to assess vitamin D intake among Malaysians. This study aimed to develop and determine the validity and reliability of a semi-quantitative food frequency questionnaire (FFQ) for assessment of vitamin D intake among pregnant women living in urban areas of Malaysia.
Method: A total of 79 volunteer mothers (aged 18 to 40 years) in their first trimester of pregnancy participated in this study voluntarily. They completed both the 3-day 24-hour dietary recalls (3DR) and semi-quantitative food frequency questionnaires (FFQ1). The FFQ1 was validated against vitamin D intake calculated from the 3DR. After one week, 41 (51.89%) subjects completed the same FFQ1 (now called FFQ2) for reliability assessment.
Results: The median vitamin D intake from 3DR was 117.6 IU/ day with an interquartile range (IQR) of 54.8 to 193.7 IU/ day. The median and IQR values from FFQ1 were 147.7 and 103.7 to 233.9 IU/ day, respectively. The Spearman correlation coefficient was strong and positive, r=0.810 (p=0.01); cross-classification analyses revealed no misclassification and the Bland-Altman plot showed good agreement between the two dietary methods. The intra-class correlation (ICC) for reliability of vitamin D intake was 0.98; the cross-classification analysis showed 95.12% and was classified into the same quartile which supported a consistent habitual eating pattern.
Conclusion: The new FFQ developed to assess vitamin D intake showed high correlation and high agreement with the majority of the sample population classified into the same quartile. It is concluded that the new FFQ is a valid and reliable screening tool for vitamin D intake for pregnant women in the urban areas of Malaysia.
3.Daily Energy Intake from Meals and Afternoon Snacks: Findings from the Malaysian Adults Nutrition Survey(MANS)
Zalilah MS ; Mirnalini K ; Safiah MY ; Tahir A ; Siti Haslinda MD ; Siti Rohana D ; Khairul Zarina MY ; Mohd Hasyami S ; Normah H ; Siti Fatimah A
Malaysian Journal of Nutrition 2008;14(1):41-55
Meal and snack patterns are associated with energy and nutrient intakes and consequently health and nutritional status. The aim of this paper is to describe
the percentage of daily energy intake from meals and afternoon snack among Malaysian adults. The study included a representative sample of adults aged 18-
59 years (n=7349) from a nationwide Food Consumption Survey conducted by the Ministry of Health. Information on dietary intake was obtained using a one
day 24-hour diet recall (24-HDR). Dietary data on 6886 adults were analysed using Nutritionist ProTM and statistical analysis was carried out using the SPSS
13.0. The median percentage of daily energy intake is reported only for adults consuming meals and afternoon tea and by socio-demographic characteristics as
well as body mass index (BMI) status. More than 80% of Malaysian adults consumed morning meals, lunch and dinner and 54% reported having afternoon
tea. The median percentage of energy intake from morning meals, lunch, dinner and afternoon tea was 29.9%, 30.5%, 32.4% and 17%, respectively. There were
variations in the median percentage of energy from meals and snacks according to the socio-demographic variables and BMI status. It is important to understand
the eating patterns of Malaysians as the information can assist in efforts to address obesity and diet-related chronic diseases among adults.
4.Food Consumption Patterns: Findings from the Malaysian Adult Nutrition Survey (MANS)
Norimah AK ; Safiah M ; Jamal K ; Siti Haslinda ; Zuhaida H ; Rohida S ; Fatimah S ; Siti Norazlin ; Poh BK ; Kandiah M ; Zalilah MS ; Wan Manan WM ; Fatimah S ; Azmi MY
Malaysian Journal of Nutrition 2008;14(1):25-39
This study reports the food consumption patterns of adults aged 18 to 59 years in the Malaysian Adults Nutrition Survey (MANS) carried out between October
2002 and December 2003. A total of 6,742 subjects comprising 3,274 men and 3,468 women representing the northern, central , southern and east coast of
Peninsular Malaysia as well as Sabah and Sarawak were interviewed. A semiquantitative
food frequency questionnaire (FFQ) which consisted of 126 food items was used to evaluate the food consumption pattern (habitual food intake) of the respondents during the previous one- year period. The results demonstrate
that nasi putih (cooked rice) was consumed by 97% of the population twice daily (average 2½ plates per day). Other food items consumed daily were marine fish,
(one medium fish per day), green leafy vegetables (one cup per day) and sweetened condensed milk (three teaspoons per day. The mean frequencies for daily intake
of rice, leafy vegetables, marine fish, local kuih, anchovy(ikan bilis) and biscuits were significantly higher among the rural compared to the urban adults. In
contrast, more urban dwellers consumed chicken and eggs more frequently than their rural counterparts. More men than women consumed chicken and eggs
more frequently. Malaysian adults showed a satisfactory habit of drinking plain water, with 99% drinking at least six glasses of plain water daily. Other beverages
such as tea (47%), coffee (28%), chocolate-based drinks (23%) and cordial syrup (11%) were also consumed on daily basis, however, in a smaller proportion of the
population. There were differences in the prevalence of daily consumption of foods when comparing urban and rural population, and also between men and
women. The prevalence of daily consumption of marine fish among rural and urban adults was 51% and 34% respectively. For sweetened condensed milk, men and women consumed 43% and 28% respectively; however, more women
drank full cream milk than men. Between the age groups, 21% of adults below 20 years old consumed chicken at least once a day, while this pattern of intake was
not shown in the older age groups. Our findings show that adults, aged 50 to 59 years old, had the highest prevalence of daily consumption of full cream milk
with 24% while those aged 18 to 19 years old had the lowest prevalence of daily consumption at 15%. The food consumption pattern of Malaysian adults appears
to be satisfactory. However, some changes in food habits are recommended especially in substituting the less wholesome sweetened condensed milk with
the more nutritious full cream or skimmed milk.