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AKTIVITAS EKSTRAK METANOL RIMPANG LENGKUAS MERAH (Alpinia purpurata K. Schum) TERHADAP PERTUMBUHAN JAMUR Malassezia furfur
Full text linkMalassezia furfur is a fungal that causes tinea versicolor which attacks the stratum corneum in the epidermis of the skin. Red galangal rhizome (Alpinia purpurata K. Schum) is a plant that has various properties including antifungals. This research aims to find out the effect of methanol extract from red galangal rhizome (A. purpurata) against the growth of the fungus M. furfur and to know the concentration of methanol extract from red galangal rhizome (A. purpurata) which is included in the category of strong inhibition to inhibit the growth of the fungus M. furfur. This research used the paper disc diffusion method, carried out with 6 levels of treatments consisting of negative control (DMSO 10%), positive control (ketoconazole), and 4 different concentrations of red galangal rhizome (A. purpurata), which were 0.25; 0.50; 0.75; and 1.00 g/mL. The results showed that the red galangal rhizome extract provided antifungal activity against the test fungus which was indicated by the presence of an inhibition zone produced. The concentration of 1.00 g/mL showed results that were included in the category of strong inhibition on the growth of M. furfur with an average yield of 11.98 mm at 48 hours incubation period. The concentration of 0.25 g/mL showed the smallest inhibition with an average yield of 7.85 mm at the same incubation period
PERTUMBUHAN BIJI KAKAO (Theobroma cacao L.) DENGAN PERENDAMAN DALAM BAWANG MERAH (Allium cepa L.) DAN LARUTAN GIBERELIN (GA3)
Full text linkCocoa beans (Theobroma cacao L.) are recalcitrant beans. Soaking cocoa beans in a solution containing growth regulators will accelerate the softening of the seed coat so that water from the solution will enter the beans imbibitably and accelerate the growth of the beans. The purpose of this study was to determine the effect of soaking onion extract (Allium cepa L.) and gibberellin (GA3) solution. on the growth of cocoa beans (T. cacao L). This study used a completely randomized design (CRD) with different concentrations of onion extract (B) and gibberellins (G) consisting of a combination of 0 ppm onion extract and 0 ppm GA3, a combination of 100 ppm red onion extract and 0 ppm GA3 extract, and a combination of 100 ppm red onion extract and 0 ppm GA3 extract. onion 0 ppm and GA3 100 ppm, a combination of onion extract 100 ppm and GA3 100 ppm, a combination of onion extract 100 ppm and GA3 200 ppm, a combination of onion extract 200 ppm and GA3 100 ppm treatment with 4 replications to obtain 24 experimental units. The results showed that soaking cocoa beans using a combination of onion extract and gibberellins resulted in 100% germination percentage and significantly affected plant height, wet weight and dry weight but had no significant effect on leaf number. The combination treatment of 100 ppm red onion extract and 100 ppm GA3 resulted in the highest plant height, wet weight and dry weight with values of 34.52 cm, 9.26 grams, and 6.20 g, respectively
AKTIVITAS BAKTERI ASAM ASETAT DALAM PROSES PEMBUATAN CUKA DAGING PISANG MAS (Musa acuminata, L.)
Full text linkAcetic acid bacteria is aerobic gram-negative bacteria that has ability to oxidize ethanol to acetic acid. It is commonly used to produce vinegar from basic ingredients containing glucose such as fruit. The research aims to determine the activity of acetic acid bacteria in the prosess of making vinegar from the flesh of the banana (Musa acuminata, L.). The fermentation process is carried out for 7 day or until the color of the banana flesh changes into brown and emints a distinctive fermented odor. The acetic acid content produced is 0.50%, but it does not meet the requirements of fermented vinegar. The alcohol content produced is 0,99%, has meet the requirements of fermented vinegar
KARAKTERISASI BAKTERI Bacillus sp. (KODE NrLtF5) YANG DIISOLASI DARI USUS CACING NIPAH (Namalycastis rhodochorde)
Full text linkEstuaries are waters that are dominated by mangroves and are influenced by fluctuations in salinity. One of the organisms that live in these waters is the nipah worm (Namalycastis rhodochorde). Fluctuations in salinity affect the growth of bacteria associated in the intestines of nipah worms (N. rhodochorde). The purpose of this study was to determine the character of Bacillus bacteria that live in the intestines of nipah worms (N. rhodochorde). To identify NrLtF5 isolate bacteria, follow Bergey's manual determinative of bacteriology which includes gram staining, catalase production activity test, sporulation test, gelatinase test, methyl red test, cytochrome oxidase test, oxidative fermentative assay, motility activity test, ornithine activity, decarboxylase and indole production, acid and gas formation test, citrate test, urease test, and determination of the optimum temperature for bacterial growth. The results confirmed that the bacteria with the isolate code NrLtF5 had similar characters with the genus Bacillus with gram-positive staining, bacilli-shaped, endospore, and produced the enzyme catalase
KARAKTERISTIK HABITAT KATAK CAPAPUYA Barbouroula kalimantanensis (Iskandar, 1978) (AMFIBIA: ANURA) DI DUA SUB-DAS MELAWI KALIMANTAN BARAT
Full text linkCapapuya or Barbourula kalimantanensis is an endemic lungless frog in Borneo that live in water, but data on this frog's habitat is still very limited. This study aims to obtain data on habitat characteristics and in the Melawi sub-watershed, namely the Mentatai and Ella stream. The research was conducted in August-December 2019. Each location is divided into three stations with each station divided into three points. Data were collected during the day and night by measuring the characteristics of water, vegetation, and recording temperature and humidity. The results of this study found three individuals of B. kalimantanensis in the Mentatai and one individual in the Ella stream. The habitat of B. kalimantanensis in the Mentatai and Ella stream is characterized by a rocky substrate, shallow water (<1 m), high dissolved oxygen content, low carbon dioxide content and riparian vegetation dominated by Dipterocarpace
KEPADATAN DAN POLA PENYEBARAN Shorea leprosula Miq. DI STASIUN PENELITIAN CABANG PANTI TAMAN NASIONAL GUNUNG PALUNG KALIMANTAN BARAT
Full text linkShorea leprosula has high economic and ecological value. Shorea leprosula population decreases due to increased illegal logging activities, especially in Gunung Palung National Park. This research aims to find out the density and spreading pattern of Shorea leprosula Miq. at Research Stasiun Cabang Panti, Gunung Palung National Park, West Kalimantan. The research was conducted from June to August 2020. The research method used is random sampling in 3 different locations, namely alluvial habitats, sandy rocks and freshwater swamps. Sampling using a squared method with a plot size of 20 x 20 m and made 10 plots on each habitat. The results showed that the density of S. leprosula is highest in freshwater swamp habitat of 170 individuals/Ha and the lowest in sandy rock habitat of 103 individuals/Ha. Spreading pattern S. leprosula is aggregate
Deskripsi Morfologi Cacing Nipah Hitam (Namalycastis cf. terrestris) Asal Perairan Mangrove Sungai Kakap Kalimantan Barat
Full text linkThe black nypa worm (Namalycastis cf. terrestris) has not been widely used as an object of research, but its habitat in mangrove waters has been converted into agricultural land and tourist attractions. The purpose of the study was to obtain data on the distinguishing morphological characteristics of the black nypa worm Namalycastis sp. with other Namalycastis worms in the same habitat. Sampling was carried out 12 times for 3 months with a total sample of 68 worms consisting of 8 male individuals, 58 female individuals, and 2 juvenile individuals. The morphological characters measured included color, body length and weight, parapodia type and setae type which were then analyzed by t-test. Black nypa worm N. cf. terrestris is blackish green with a body length of 15,2-57 cm and a weight of 1,18-16,25 g. The prostomium has a pair of palps and the peristomium is equipped with 4 pairs of peristomial features and a pair of jaws. Parapodia of sub-biramous type without notopods. Setae N. cf. terrestris is golden brown with black acicular. Notopodial setae consist of sesquigomph spiniger, supra-neuroacicular setae consist of sesquigomph spiniger and heterogomph falsiger, and sub-neuroacicular setae which are heterogomph spiniger and heterogomph types. Black nypa worms are distinguished from other worms in the same genus and habitat only by body color
AKTIVITAS ANTIFUNGI EKSTRAK METANOL DAUN SALAM (Syzygium polyanthum [Wight] Walp.) TERHADAP PERTUMBUHAN Malassezia sp. (M1) SECARA IN VITRO
Full text linkMalassezia sp. is a normal flora on the skin of humans and animals. A considerable amount of the fungus may cause tinea versicolor and dandruff. One of the plants that is known to have antifungal compounds is bay leaf (Syzygium polyanthum [Wight] Walp.). This research was done to determine the ability and the Minimum Inhibitory Concentration (MIC) of methanol extract from bay leaves S. polyanthum in inhibiting the growth of Malassezia sp. (M1). This study used a completely randomized design (CRD) with treatment levels that consisted of concentrations of 80%, 90%, and 100%, negative control (sterile distilled water) and positive control (ketoconazole 2%). The antifungal activity test was carried out using the Kirby-Bauer method. The data showed that each treatment levels had different results. Concentrations of 90% and 100%, and positive control showed inhibition zones of 9.27 mm, 11.57 mm, and 16.67 mm, respectively. Therefore the concentration of 90% was the Minimum Inhibitory Concentration (MIC) of methanol extract from bay leaves S. polyanthum against the growth of Malassezia sp. (M1)
ETNOBOTANI PEMANFAATAN TUMBUHAN BERACUN DI DESA KERANJI PAIDANG KECAMATAN SENGAH TEMILA KABUPATEN LANDAK
Full text linkPoisonous plants are defined as plants that contain chemical compounds that are toxic and can cause tissue or organ damage, and can even cause the death of other organisms. The people of Keranji Paidang have used poisonous plants to repel pests and poison fish. The purpose of this study was to determine the types of poisonous plants and plant parts used as poison. This research was conducted in Keranji Paidang Village, Sengah Temila District, Landak Regency. This study used a snowball sampling method with 12 respondents consisting of the village head, adat leaders, hamlet heads, and other community members who have knowledge of poisonous plants. The results obtained 25 plant species from 20 families and 25 genera. The most widely used families are Fabaceae (3 species), Euphorbiaceae (2 species), Sapindaceae (2 species) and Solanaceae (2 species). The most widely used part of the plant was the leaves (48.39%). The most widely used methods of processing and using poisonous plants were pounding (38.10%) and spraying (51.85%)
PEMANFAATAN TUMBUHAN OBAT BAGI IBU SEBELUM DAN SESUDAH MELAHIRKAN PADA MASYARAKAT SUKU MELAYU DI DESA SEKURA KABUPATEN SAMBAS
Full text linkThe Malay people stilluse various types of plants as traditional medicine for the treatment of mothers before and after childbirth.The purpose of this study is to find out the types and parts of plants that are most widely used for the treatment of mothers before and after childbirth. This research was conducted from September to December 2020 in Sekura Village Sambas Regency. Determination of respondents using purposive sampling method. The results of the study obtained 38 types of plants classified in 21 families. The most widely used family is the family Zingiberaceae at 13%. Prenatal treatment is done pregnant 7 months until the end of the process of childbirth, namely drinking potions and pregnant bath ingredients. Traditional postnatal medicine is carried out for 44 days consisting of internal and external medication. The internal medication consists of herbs, sireh untalan, and sambal lade. The external medication consists of abdominal param, body param, bathing material and massage oil. These traditional drugs were taped, eaten, drink and applied as an ingredient for bathing. The most plant part in medicine is the leaves by 27% and the least is the stem by 2%