Warajati Kisnawaty, Sudrajah
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Journal : Jurnal Kesmas dan Gizi (JKG)

Moisture Content and Protein Content of Apem Cake Based on a Composite of Purple Sweet Potato and Corn Flour Azzahrah, Fatimah; Kurnia, Pramudya; Warajati Kisnawaty, Sudrajah
JURNAL KESMAS DAN GIZI (JKG) Vol. 8 No. 1 (2025): Jurnal Kesmas dan Gizi (JKG)
Publisher : Fakultas Kesehatan Masyarakat Institut Kesehatan Medistra Lubuk Pakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35451/07hkzs96

Abstract

Sweet potatoes and corn are local food ingredients with potential as alternative substitutes for rice. Traditionally, apem cakes are made using rice flour as the main ingredient. Partially replacing rice flour with sweet potato flour and corn flour is expected to optimize the utilization of these local ingredients and improve the nutritional value of the resulting apem cake. This study aimed to analyze the effect of using purple sweet potato flour and corn flour on the moisture content and protein content of apem cake. The study employed a completely randomized design (CRD) with four formulations of rice flour, purple sweet potato flour, and corn flour, namely A (100%:0%:0%), B (50%:15%:35%), C (50%:25%:25%), and D (50%:35%:15%). Moisture content was measured using the gravimetric method, while protein content was analyzed using the titrimetric method. Moisture content data were analyzed using Welch’s ANOVA, and protein content was analyzed using One-Way ANOVA followed by Tukey’s HSD test. The results showed that the highest moisture content was 41.42% in the formulation with 15% purple sweet potato flour and 35% corn flour, and the lowest was 40.76% in the 100% rice flour formulation. Welch’s ANOVA indicated no significant difference in moisture content among treatment groups (p = 0.378; p > 0.05). The highest protein content was 4.51% in the 100% rice flour formulation, and the lowest was 4.09% in the formulation with 35% purple sweet potato flour and 15% corn flour. ANOVA results indicated a statistically significant difference in protein content (p = 0.001; p < 0.05). In conclusion, the use of purple sweet potato flour and corn flour in apem cake did not significantly affect moisture content but significantly influenced protein content. Further investigations should focus on optimizing the formulation to evaluate the influence of the treatment on product quality and storage stability.
The Relationship Between Knowledge About Balanced Nutrition Guidelines And The Amount Of Pocket Money With Overnutritional Status Of Adolescents Kurnia Dewi, Emilia; Warajati Kisnawaty, Sudrajah; Ria Rakhma, Luluk
JURNAL KESMAS DAN GIZI (JKG) Vol. 8 No. 1 (2025): Jurnal Kesmas dan Gizi (JKG)
Publisher : Fakultas Kesehatan Masyarakat Institut Kesehatan Medistra Lubuk Pakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35451/zrk9pr49

Abstract

The nutritional status of adolescents is currently a major public health concern, particularly due to the increase in cases of overweight and obesity, which increase the risk of non-communicable diseases (NCDs) such as diabetes mellitus, hypertension, and heart disease. The main factors influencing nutritional status are a balanced diet and adequate physical activity. However, other factors such as knowledge of balanced nutrition guidelines and pocket money management also play an important role. Nutrition knowledge is expected to influence attitudes and healthy food choices, while higher pocket money amounts may increase the tendency to purchase high-calorie, low-nutrient foods, thereby contributing to the risk of overweight. This study aims to analyze the relationship between knowledge of balanced nutrition guidelines and pocket money with nutritional status among high school students at SMA IT Nur Hidayah Sukoharjo. A cross-sectional observational study design was used with a population of all 11th grade students (N=283). The study sample consisted of 72 students, selected through simple random sampling. Data analysis used the Pearson product moment statistical test for nutrition knowledge and the Spearman rank test for pocket money,following the Kolmogorov-Smirnov normality test. The results showed no significant relationship between knowledge of balanced nutrition guidelines and overweight status among adolescents (p=0.676). However, there was a significant relationship between the amount of pocket money and overweight status among adolescents (p=0.043). This indicates that nutrition knowledge is not a direct factor influencing overweight status, while a higher amount of pocket money is correlated with the risk of overweight due to excessive consumption patterns. Teenagers are advised to increase their knowledge and application of balanced nutrition in their daily lives and to use their pocket money wisely when buying food and drinks.