Salah satu pemanfaatan limbah tempurung kelapa dengan menjadikan tempurung kelapa sebagai adsorben arang aktif. Arang aktif merupakan arang yang telah mengalami proses dengan pemanasan tinggi atau dengan direaksikan menggunakan bahan-bahan kimia, sehingga pori-pori yang dimiliki menjadi terbuka dan mampu menjadi adsorben atau zat penyerap pada permukaan. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh adsorben arang aktif tempurung kelapa terhadap kualitas minyak goreng bekas berdasarkan uji kadar air dan indeks bias cahaya. Penelitian ini menggunakan Pre-Post Test design. Sampel adalah tempurung kelapa yang didapatkan dari penjual kelapa dan minyak goreng kemasan tropical yang dibagi menjadi 3 kategori, yang pertama minyak yang tidak mengalami proses pemanasan, ke 2 minyak B dengan 1 kali penggorengan dan minyak C dengan 3 kali penggorengan. Hasil penelitian terdapat perubahan kadar air pada minyak setelah diberi arang aktif tempurung kelapa minyak B 0,1% sudah sesuai dengan standar SNI sedangkan untuk minyak C 0,5% belum memenuhi standar SNI. Untuk rata-rata indeks bias setelah minyak diberikan arang aktif mendekati garis normal dan nilai indeks bias masih dibawah standar SNI. Terdapat pengaruh arang aktif terhadap kualitas minyak goreng bekas dengan adanya perubahan kadar air dan indeks bias cahaya pada minyak
Chronic malnutrition experienced from childhood is the cause of stunting which is determined based on indicators of nutritional status of height according to age (TB/U). One of the factors causing stunting is the length of the child's birth body, and the father's level of education. This study sought to ascertain the association between father education and birth length and the prevalence of stunting in toddlers between the ages of 24-59 months. In the form of a cross sectional, this study used an analytical observational design. This study was conducted at five health centers in North Pontianak, namely Siantan Hilir Health Center, Siantan Hulu Health Center, Middle Siantan, Khatulistiwa Health Center and Telaga Biru Health Center with a sample of 384 toddlers aged 7-59 months who were selected by purposive sampling. Data on height measurement and determination of nutritional status were measured using a microtois device, while data on father's education and birth length were taken by conducting direct interviews with the respondent's mother using a questionnaire. Data on height and nutritional status of TB/U were analyzed descriptively, while to see the relationship between variables, chi-square analysis was used. Toddlers who have a history of short birth weight have more stunting nutritional status by 25.6%. Stunting and the history of the child's birth length were significantly correlated (p=0.019). Short-born infants are 2.29 times more likely to experience stunting as toddlers. The incidence of stunting is correlated (p = 0.033) with the educational level of fathers of children under five. Toddlers whose fathers have less education have 39.8% more normal nutritional status.
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