Judul: Preferensi dan Perilaku Konsumsi Pangan Sumber Kafein pada Mahasiswa Tingkat persiapan Bersama Institut Pertanian Bogor Tahun 2007/2008
Abstrak: Tujuan umum dari penelitian ini adalah untuk mengidentifikasi preferensi dan perilaku konsumsi pangan sumber kafein pada mahasiswa TPB IPB tahun 2007/2008. Tujuan khususnya meliputi (1) mengidentifikasi karakteristik contoh, (2) mengidentifikasi perilaku konsumsi pangan sumber kafein contoh kafein contoh, (3) mengidentifikasi atribut yang mempengaruhi contoh dalam memilih pangan sumber kafein, (4) mengidentifikasi preferensi pangan sumber kafein contoh, (5) mengidentifikasi sumber informasi, tempat pembelian, dan cara pembelian pangan sumber kafein pada contoh, dan (6) menganalisis hubungan karakteristik individu dan preferensi contoh dengan perilaku konsumsi pangan sumber kafein contoh.
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Judul: Kebiasaan konsumen makanan kudapan dan kontribusinya terhadap kecukupan energi dan protein pada mahasiswa TPB IPB dengan status gizi kurang
Abstrak: Secara umum penelitian ini bertujuan untuk mengidentifikasi kebiasaan konsumsi makanan kudapan dan kontribusinya terhadap kecukupan energi dan protein pada mahasiswa TPB IPB dengan status gizi kurang. Secara khusus penelitian ini bertujuan untuk I) Mengidentifikasi karakteristik individu pada mahasiswa putra dan putri TPB IPB dengan status gizi kurang, 2) Mengidentifikasi sosial ekonomi keluarga, 3) Mengidentifikasi uang saku dan makanan kudapan, 4) Mengidentifikasi preferensi mahasiswa contoh terhadap berbagai alternatif produk makanan kudapan. 5) Mengkaji kebiasaan konsumsi makanan kudapan, 6) Mengkaji kontribusi makanan kudapan terhadap total konsumsi dan kecukupan energi dan protein,dan 7) Mengidentifikasi hubungan antara jumlah jenis konsumsi kudapan dengan sumbangan konsumsi energi dan protein makanan kudapan terhadap kecukupan.
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Judul: Systematics of Desmos (Annonaceae) in Malesia
Abstrak: Desmos is a woody climbing genus of Annonaceae which has been widely used as traditional medicine in several countries such as China, Indo-China, Thailand, and Peninsular Malaysia to treat dysentery, vertigo, fever, and postpartum. Phylogenetic studies on Desmos showed a close relationship between Desmos and Dasymaschalon. They share similar moniliform monocarpic fruits, but their flowers are different. It has been debated among Annonaceae researchers whether both genera should be treated as the same or distinct genus. Therefore, investigation on the taxonomic delimitation of Desmos species and Dasymaschalon will be necessary. Plastid genome (plastome) identification, leaf epidermal section of Desmos species and Dasymaschalon species, a taxonomic revision of Desmos in Malesia using morphological data, the spatial distribution of Desmos species in Malesia, and morphological and genetic variation in Desmos chinensis population using ISSR marker were used to investigate taxonomic delimitation of Desmos. Plastome study of Desmos chinensis and Dasymaschalon dasymaschalum was carried out to determine the origin, evolution, phylogenomics, and identify marker candidates for Desmos and Dasymaschalon or with other genera in Annonaceae. We discovered that the plastome of Desmos chinensis was circular with the size of 167,677 bp (smaller than Dasymaschalon dasymaschalum), consist of 111 genes, including 78 protein-coding genes, 29 transfer RNAs, and 4 ribosomal RNAs. The plastome showed a typical quadripartite structure, i.e., large single copy (LSC), small single copy (SSC), and two inverted repeats (IRs). The plastome of Dasymaschalon dasymaschalum was 191,488 bp in length, which also exhibited a typical quadripartite structure (LSC, SSC, and two IRs). Desmos chinensis and Dasymaschalon dasymaschalum showed different copies of accD, ndhD, ndhF, rps18, and ycf2. Protein coding genes of rpoB, rpoC1, rbcL, matK, rpl32, infA, and rpl36 were identified based on nucleotide diversity, sequence variability, and parsimony-informative sites. The genes are defined as molecular marker candidates of plastome for phylogenetic, barcoding, and population genetic research. We predicted that Desmos chinensis and Dasymaschalon dasymaschalum separated at ca. 64 million years ago during the Paleocene. Leaf anatomical feature study was carried to support the taxonomic delimitation of interspecific Desmos and intergeneric of Desmos and Dasymaschalon. Leaf anatomy in the paradermal section of 20 taxa (12 species of Desmos, eight species of Dasymaschalon) have been carried out. According to the leaf epidermal section, Desmos and Dasymaschalon are two distinct genera mainly distinguished based on the anticlinal wall undulation of epidermal cells and supported by variation of the crystal type and size. The anticlinal wall undulation of Desmos was almost straight to slightly wavy and never sinuous; meanwhile, Dasymaschalon varies from almost straight to deeply sinusoid. The crystals of Desmos consist of rhombohedral, druse type A, and druse type B crystals, whereas Dasymaschalon has prism, druse type A, druse type B, and druse type C crystals. The recent taxonomic revision using the morphological data was mainly based on the examination of about 1374 specimens from BO, L, WAN, ANDA, SING, SAN, K, P, HUH herbaria. The Desmos species in Malesia consists of eight species: D. acutus, D. chinensis, D. chryseus, D. dunalii, D. pedunculosus, D. subbiglandulosus, two new records: D. lawii and D. macrocarpus, and one
Keyword: Dasymaschalon, Desmoid clade, Magnoliid, plastid genome, phylogenomics analysis