Background: Smoking habits enhance free radical in the body, which oxidize lipids to form malondialdehyde. One group that is vulnerable to smoking is adolescents. Red dragon fruit and red guava have the possibility as functional foods due to their vitamin and phytochemical content, which have antioxidant effects. This is an opportunity to prevent oxidative stress among adolescent smokers.Objectives: This study aimed to analyze the effect of red dragon fruit, red guava, and its combination to total antioxidant capacity (TAC) and malondialdehyde (MDA) levels among adolescent mild smokers.Methods: This research was an experimental study with a randomized pre-test and post-test control group design. Forty-eight subjects of male adolescent aged 16-17 years with mild smoking habits were divided into four groups: the control group (K), the intervention group with 200 grams of red dragon fruit (P1), 200 grams of red guava (P2), and the combination of both (100 grams red dragon fruit + 100 grams red guava) (P3), for 14 days. TAC examination used the DPPH method and MDA levels using the TBARS method were measured before and after the intervention.Results: After 14 days of intervention, the mean TAC was changed by -0,10±0,76 in the K group, 0,97±1,62 in the P1 group, 0,74±1,39 in the P2 group, and 0,74±1,29 in the P3 group. But the changes of TAC in all intervention groups were not significantly different from the control group (p>0,05). The mean MDA level changed by 0,229±0,371 in the K group, decreased by -0,654±0,922 in the P1 group, -0,592±0,818 in the P2 group, and -1,166±0,670 in the P3 group. The mean difference of the MDA level in all intervention groups was significantly different from the control group (p<0,05).Conclusion: Consumption of red dragon fruit, red guava, or a combination of red dragon fruit and red guava can reduce malondialdehyde levels significantly among male adolescent mild smokers. Whereas the total antioxidant capacity was changed but not significant.
Diabetes Mellitus is a non-communicable disease that causes an increase in mortality. The prevalence in Tuban Regency is 1.7%, cases of diabetes mellitus are increasing. One of the risk factors for diabetes mellitus is unbalanced eating habits. In addition, physical activity is a major risk factor in triggering the occurrence of Diabetes Mellitus. These counseling and exercise activities aim to increase knowledge and awareness related to balanced diet and diabetes mellitus. In this activity, all participants were active in the discussion that was held after the counseling. In addition, all participants were enthusiastic in participating in joint gymnastics activities. It is hoped that after this community service activity all participants can apply a healthy lifestyle and balanced diet in their daily life. In addition, it also controls blood glucose levels and nutritional status to keep it normal and ideal. Keywords: Balanced Diet, Nutrition Counseling, Gymnastics, Diabetes mellitus
Nutritional problems in adolescents are increasingly complex due to limited knowledge about balanced nutrition in adolescents. The increasing number of dual nutritional problems, especially in adolescents in Tuban Regency. The Nutrition Action Team is one form of nutrition education efforts to reduce nutritional problems in adolescents. This community service activity is carried out for high school students in Tuban Regency. In the Nutrition Action Team activities, all participants were able to understand well about nutrition in the life cycle of adolescents, adolescent nutrition problems, 10 messages of balanced nutrition. It is hoped that in the future this community service activity can be carried out in a sustainable manner, so as to create a positive attitude towards nutrition, the formation of knowledge and skills in choosing and using food sources, the emergence of good eating habits and the motivation to find out more about matters related to nutrition.
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