scholarly journals PENGARUH JENIS PELARUT TERHADAP AKTIVITAS ANTIOKSIDAN EKSTRAK DAUN UBI JALAR PUTIH (Ipomoea batatas L) MENGGUNAKAN METODE MASERASI

2020 ◽  
Vol 9 (4) ◽  
pp. 438
Author(s):  
Ade Maria Kristin Gultom ◽  
Ni Made Yusa ◽  
Anak Agung Istri Sri Wiadnyani
Keyword(s):  
Antioxidant Activity ◽  
Sweet Potato ◽  
Ipomoea Batatas ◽  
Leaf Extract ◽  
Potato Leaf ◽  
Measured Variable ◽  
Obvious Effect ◽  
Randomized Design ◽  
High Antioxidant Activity ◽  
Sweet Potato Leaves

This study aims to determine the effect of solvent types on antioxidant activity of white sweet potato leaf extract (Ipomoea batatas L) and to obtain the most appropriate type of solvent to produce white sweet potato leaf extract with high antioxidant activity. The experimental design uses in this research was Completely Randomized Design (CRD) with the treatment of solvent types methanol 80%, acetone 80%, ethanol 80% and aquades. The treatment was repeated four times so obtain 16 units of the experimental. Data were analysis of variance and followed by Duncan test if the treatment has a significant effect on measured variable. The results showed that, type of solvent had an obvious effect on antioxidant activity of white sweet potato leaves. Methanol was the best solvent in extract white sweet potato leaves with followed by yield was 32.11%, total flavonoids was 226.45 mg QE / g, total tannin was 16.58 mg TAE / g, vitamin C was 119.42 mg AAE / g and antioxidant activity was 82.42%.

scholarly journals KORELASI KARAKTER ANATOMI DAUN UBI JALAR (Ipomoea batatas L.) KULTIVAR TAHAN DAN TIDAK TAHAN TERHADAP INTENSITAS PENYAKIT KUDIS DAUN

2017 ◽  
Vol 4 (1) ◽  
pp. 21 ◽  
Author(s):  
Ade Winda Pradana ◽  
Siti Samiyarsih ◽  
Juni Safitri Muljowati
Keyword(s):  
Sweet Potato ◽  
Ipomoea Batatas ◽  
Food Sources ◽  
Sweet Potatoes ◽  
Potato Leaf ◽  
Lower Productivity ◽  
Stomata Size ◽  
Alternative Food Sources ◽  
Inoculation Treatment ◽  
Sweet Potato Leaves

Sweet potato (Ipomoea batatas L.) is one of alternative food sources beside than rice. Sweet potatoes are contains minerals, nutrients, sources of energy, protein, vitamins A and C. Sweet potatoes have lower productivity than rice and cassava. The low productivity of sweet potatoes due to several factors, which one of them is a leaf scab disease caused by pathogens Sphaceloma batatas Saw. The purpose of this study is to determine the character of the anatomy of sweet potato leaf cultivars that resistant and unresistant to the intensity of leaf scab disease, as well as the correlations between the anatomy character of sweet potato leaves with leaf scab disease intensity. The method used in this study is an experimental method with factorial completely randomized design. The first factor is the character of the anatomy of four cultivars sweet potato leaves, Cangkuang and Sukuh cultivars (cultivars resistant), cultivars Cilembu and Beta (unresistant cultivars). The second factor is the inoculation treatment S. batatas Saw. The parameters were observed thickness of cuticle, epidermis, mesophyll, the size (length and width) stomata, density of stomata and trikomata as well as the intensity of the disease were analyzed using analysis of variance (ANOVA). To determine the correlation between the anatomy character leaves with disease intensity using regression correlation analysis. The results showed that Cangkuang cultivar has cuticle, epidermis and mesophyll thickest. Beta cultivars have stomata size of the longest and widest. Cilembu cultivar has the highest density of stomata. Sukuh cultivars has the highest density. The anatomy characters include of a thick cuticle, epidermis, stomata size (length and width), as well as the density of stomata and trikomata correlated with intensity of leaf scab disease.

scholarly journals THE EFFECT OF OFFERED FERMENTED RICE HULL IN RATION SUPPLEMENTED WITH PURPLE SWEET POTATO (Ipomoea batatas L.) LEAF ON LIPID PROFILE OF DUCK MEAT

2017 ◽  
Vol 4 (2) ◽  
pp. 184
Author(s):  
T.G. Oka Susila ◽  
T.G. Belawa Yadnya ◽  
Ni Gusti Ketut Roni
Keyword(s):  
Lipid Profile ◽  
Sweet Potato ◽  
Ipomoea Batatas ◽  
Crude Fiber ◽  
Feed Consumption ◽  
Rice Hull ◽  
Potato Leaf ◽  
Randomized Design ◽  
Fiber Consumption ◽  
Purple Sweet Potato

This experiment was carried out to study the effect of offered fermented rice hull in ration supplemented with purple sweet potato (Ipomoea batatas L.) leaf on lipid profile of duck meat. Seven treatment rations were used in a completely randomized design (CRD) consisted of control ration A (ration   without containing rice hull and purple sweet potato leaf), ration B (ration  containing 5% rice hull), ration C (ration containing 5% fermented rice hull and purple sweet potato leaf ), ration D (ration  containing 10%  rice hull), ration E   (ration containing 10% fermented rice hull and purple sweet potato leaf), ration F (ration containing 15%  rice hull),and ration G (ration containing 15% fermented rice hull and purple sweet potato leaf). Each treatment consisted of three replicates  and each replicate consisted of five ducks. Variable observed in this study  were feed consumption, protein, crude fiber and antioxidant  consumption and lipid profile consisted cholesterol total, HDL, LDL and TGA. The results showed that feed, protein, crude fiber and antioxidant consumption on treatment A were 6414.10., 1027.70., 520.82 and 59,51g/head.  Giving  treatment B, C, D, E, F and G  decrease feed consumption (P, < 0.05), but protein consumption was increase significantly (P <0.05) except for treatment B was not significant compared with treatment A. Giving  treatments C, E and G were decrease crude fiber consumption (P<0.05).  Crude fiber consumption in treatment B increase significantly (P < 0.05), but crude fiber consumption in treatment D and F were not significantly different (P>0.05) with control (A).  Antioxidant consumption for  treatments B, C, D, E, F and G were increase significantly (P<0,05) compared with  A. Lipid profile of duck meat consisted of cholesterol total, HDL, LDL and TGA in treatment A were  75,84., 26,81., 30,04 and 100,87 mg/100g. Offered treatment B, C, E, F and G significantly decrease cholesterol total (P<0.05), but treatment D was not significantly different (P>0.05) with  treatment A . While on HDL and TGA for all treatment were not significantly different (P>0.05) except TGA for treatment C was increase significantly (P<0.05), compared treatment A. Offered  treatment C, E and G  were significantly decease LDL of  duck meat, but   treatment B, D and F   were not significantly different (P<0.05) with treatment A. Its can be concluded that offered fermented rice hull in ration supplemented with purple sweet potato (Ipomoea batatas L.) leaf improve lipid profile of  duck meat.

PENGARUH PROSES MASERASI DENGAN VARIASI KONSENTRASI PELARUT ETANOL TERHADAP KANDUNGAN SENYAWA EKSTRAK DAUN PEPAYA (Carica papaya L.) DAN DAUN UBI JALAR UNGU (Ipomoea batatas L. Lam)

2020 ◽  
Vol 6 (2) ◽  
pp. 252
Author(s):  
Herman Irawan ◽  
Sevty Syera ◽  
Nurlaili Ekawati ◽  
Djadjat Tisnadjaja
Keyword(s):  
Sweet Potato ◽  
Ipomoea Batatas ◽  
Leaf Extract ◽  
Carica Papaya ◽  
Ethanol Extract ◽  
Hemorrhagic Fever ◽  
Total Phenol ◽  
Traditional Medicines ◽  
Purple Sweet Potato ◽  
Sweet Potato Leaves

Papaya (Carica papaya L.) and purple sweet potato (Ipomoea batatas L. Lam) are commonly used empirically as traditional medicines, including for malaria, malnutrition, fever and hemorrhagic fever. The purpose of this study was to determine the effect of differences in the concentration of ethanol solvents on the chromatogram profile and compound content. The research method began with maceration using 50%, 70%, and 96% ethanol, then thin layer chromatography test, and determination of total phenol and flavonoid levels with Elisa at λ of 750 nm and 415 nm, where the comparator used were gallic acid and quercetin . The results of total phenol levels obtained in papaya leaf extract were 3,493 mg GAE/gram and in sweet potato leaves the results were 4,786 mgGAE/mg. While the total flavonoid yield obtained from papaya leaf extract was obtained as much as 4,630 mg QE/gram and on sweetpotato which was 4,269 mgQE/mg. Characterisation of extract compound content was carried ouy by using Gas Chromatography- Mass Spectroscopy (GC-MS), where comparison of extracts used in extract combination samples are 50:50, 75:25, and 25:75. The results showed that ethanol extract contained alkaloids, flavonoids, saponins, tannins, and triterpenoids. Characterization by using GC-MS for single extract and combination extract of papaya leaves and purple sweet potato leaves obtained the main active compounds are Phytol, Neoheptadine, and n-Hexadecanoic acid.

scholarly journals RESPONS GLUKOSA DARAH BENIH IKAN JELAWAT (Leptobarbus hoeveni Blkr) DALAM MEDIA YANG DIBERI EKSTRAK DAUN UBI JALAR (Ipomoea batatas)

2020 ◽  
Vol 5 (2) ◽  
pp. 50
Author(s):  
Nur Rizki ◽  
Muhammad Sugihartono ◽  
Muarofah Ghofur
Keyword(s):  
Blood Glucose ◽  
Sweet Potato ◽  
Ipomoea Batatas ◽  
Leaf Extract ◽  
Potato Leaf ◽  
Glucose Response ◽  
Glucose Levels ◽  
Extract Concentration ◽  
Blood Glucose Response ◽  
Blood Glucose Levels

Use of sweet potato leaf extract to determine the blood glucose response of jelawat fish       (L. hoeveni, Blkr)  seeds maintained in the media.This study aims to determine the optimal concentration of sweet potato leaf extract to reduce the stress level of Jelawat fish (L. hoeveni, Blkr) seeds by measuring blood glucose. In this study, four treatments were used with three replications using a concentration of 2ml / L sweet potato leaf extract, 4ml / L extract concentration, 6ml / L extract concentration, and control. The results showed that the 2ml / L extract concentration was the best because it was proven that the fish blood glucose response at every 1st, 6th, 12th hour, 24th hour, 168th hour fish (L. hoeveni, Blkr)  seed blood glucose levels nettle nearly close to normal blood glucose levels in fish.

scholarly journals PEMBUATAN NANOPARTIKEL-PERAK EKSTRAK DAUN UBI JALAR ORANGE (Ipomoea batatas L.) DENGAN METODE BIOREDUKSI DAN UJI AKTIVITAS TERHADAP JUMLAH TROMBOSIT Mus musculus

Alotrop ◽  
2019 ◽  
Vol 3 (1) ◽  
Author(s):  
Ririn Trinanda ◽  
Agus Sundaryono ◽  
Dewi Handayani
Keyword(s):  
Particle Size ◽  
Silver Nanoparticles ◽  
Sweet Potato ◽  
Mus Musculus ◽  
Ipomoea Batatas ◽  
Leaf Extract ◽  
Scattering Method ◽  
Potato Leaf ◽  
Agno3 Solution ◽  
Potato Extract

This study aims to make silver nanoparticles (NPP) of orange Sweet potato extract (Ipomoea batatas L.) using bioreduction method and test the effect of giving silver nanoparticles - leaf extract of Ipomoea batatas L. orange (Ipomoea batatas L.) to the number of thrombocyte from male of  Mus musculus induced by aspirin. The precursor used is 1 mM AgNO3 solution and as bioreductor is an antioxidant compound in orange sweet potato extract (Ipomoea batatas L.). The ratio of AgNO3 1 mM solution volume and orange sweet potato leaf extract is 9: 1 with 2 hours time. The characteristic test again obtained NPP is done using FTIR and Particle Size Analyzer (PSA) using Dynamyc Light Scattering method (DLS). The results showed that from the PSA analysis is known the average size of NPP – I. Batatas, L leaf extract  is an average of 86.0 nm with a polydispersity value (PDI) of 0.17 < 1 that indicates that the  NPP-leaf extract particle size distribution It is less homogeneous and are less stable.The results show that the administration of silver nanoparticles - orange sweet potato extract (Ipomoea batatas L.) can increase the platelet count of male mice significantly Dose of 0.014 g / Kgbb of 259,600 / mm3. 

scholarly journals PHYTOCHEMICAL SCREENING AND GASS CROMATOGRAPHY – MASS SPECTROMETER (GC-MS) ANALYSIS ETHANOL EXTRACT OF PURPLE SWEET POTATO (Ipomoea batatas L.)

2019 ◽  
Vol 2 (2) ◽  
pp. 28-30
Author(s):  
Surti Kurniasih ◽  
Dina Dyah Saputri
Keyword(s):  
Sweet Potato ◽  
Mass Spectrometer ◽  
Ipomoea Batatas ◽  
Phytochemical Screening ◽  
Potato Leaf ◽  
Active Compounds ◽  
Ms Analysis ◽  
Purple Sweet Potato ◽  
Antibacterial And Antifungal ◽  
Sweet Potato Leaves

Purple sweet potato (Ipomoea batatas L.) leaves are extremely versatile that possesses high value. Sweet potato (Ipomoea batatas L.) leaves have secondary metabolism compounds that used as antibacterial and antifungal. The content of secondary metabolite compounds contained in plants an important role in providing antibacterial and antifungal activity so that this study was conducted to develop the utilization of purple sweet potato leaves through phytochemical screening. Phytochemical screening aims to provide an overview of the class of compounds contained in purple sweet potato leaf plants including of alkaloids, steroids-triterpenoids, saponins, flavonoids, and tannins test. Samples were taken from the local community of Bogor. The extract is made by extracting the simplicia of positive purple sweet potato leaves containing alkaloid, steroids-triterpenoids, saponins, flavonoids, and tannins. Further identification of active compounds was performed by Gass Cromatography-Mass Spectrometer (GC-MS) analysis to detect the active compound contained in purple sweet potato leaf extract more specifically. GC-MS analysis results show several active compounds including: 1.4-Benzenediol (CAS) Hydroquinone, Benzenesulfonic acid 4-hydroxy (CAS), Hexadecanoic acid (CAS) Palmitic acid.

scholarly journals Karakteristik Komponen Gizi, Antioksidan, dan Respon Organoleptik Bubur Jagung Tradisional Gorontalo dengan Ekstrak Daun Kersen (Muntingia calabura L.)

2019 ◽  
Vol 38 (4) ◽  
pp. 463
Author(s):  
Lisna Ahmad ◽  
Suryani Une ◽  
Yoyanda Bait
Keyword(s):  
Antioxidant Activity ◽  
Leaf Extract ◽  
Treatment Level ◽  
Traditional Food ◽  
Nutrient Analysis ◽  
The Public ◽  
Functional Value ◽  
Randomized Design ◽  
High Antioxidant Activity ◽  
Completely Randomized Design

Traditional food products are no longer attractive to the public, so it needs innovation to create the product has a functional value. The aim of this research is to produce fortified cornmeal with kersen leaf extract which has high antioxidant activity and consumer demand of organoleptics. This research used completely randomized design with single factor at 6 treatment level, soaking grits of corn on cherry extract with concentration 0%, 10%, 20%, 30%, 40%, and 50%. The results of nutrient analysis consists protein ranged from 7.59% – 8.93%, fat 0.53% – 0.96%, ash content 0.05% – 0.12%, water content 11.6% – 13.37% and carbohydrate 77.24% – 78.91%. The result of antioxidant activity showed that the higher concentration of kersen leaf extract which added higher also the antioxidant activity of fortified cornmeal is 11.85 – 36.17%. Based on panelist organoleptic test give neutral response until somewhat like for the aspect of color, texture, aroma and overall grits while for panelist taste aspect give response rather dislike.

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