Tropical life sciences research最新文献_第10页

Reuterin Isolated from Lactobacillus reuteri Indonesian Strain Affected Interleukin-8 and Human Beta Defensin-2 on Pathogens Induced-HaCat Cells. 罗伊氏乳杆菌印度尼西亚株Reuterin对病原体诱导的hacat细胞白细胞介素-8和人β防御素-2的影响

IF 1.4

Tropical life sciences research Pub Date : 2022-07-01 Epub Date: 2022-07-15 DOI: 10.21315/tlsr2022.33.2.5

Armelia Sari Widyarman, Boy Muchlis Bachtiar, Endang Winiati Bahctiar

{"title":"Reuterin Isolated from Lactobacillus reuteri Indonesian Strain Affected Interleukin-8 and Human Beta Defensin-2 on Pathogens Induced-HaCat Cells.","authors":"Armelia Sari Widyarman, Boy Muchlis Bachtiar, Endang Winiati Bahctiar","doi":"10.21315/tlsr2022.33.2.5","DOIUrl":"https://doi.org/10.21315/tlsr2022.33.2.5","url":null,"abstract":"Probiotic Lactobacillus reuteri has positive effects on health through inhibiting pathogenic bacteria and the ability to reduce inflammation. This study investigates the ability of reuterin isolated from L. reuteri Indonesian strain for increasing mRNA expression of interleukin (IL)-8 and human beta-defensin (hBD)-2 gene by epithelial cells, after exposure to oral bacteria. L. reuteri isolated from Indonesian's saliva, and species was confirmed by PCR, using 16S rRNA specific gene. To produce reuterin, the isolate was mixed in glycerol-containing MRS broth. Reuterin molecule's weight was counted by SDS-PAGE. Streptococcus mutans ATCC-25175 and Porphyromonas gingivalis ATCC-33277 were put in water (80°C) for 30 min, and each killed bacterial (107 CFU/mL) was inoculated into HaCat cell line (105 cell/mL). Reuterin was added in different concentrations (100%, 50%, 25%, 12,5%) and different incubation time at 37°C, 5% CO2. RNA was extracted, and a reverse transcription procedure was performed to obtain cDNA. Subsequently, a quantitative PCR method was performed to analyse the transcription level of IL-8 and HBD-2 mRNA expressed by inflamed HaCat cells. All results were statistically analysed by ANOVA test. PCR assays showed that clinical isolates were L. reuteri. Quantitative PCR results showed reuterin decreased the expression of IL-8 and increased the expression of hBD-2 in all concentrations and time periods set in this study (p < 0.05). Reuterin isolated from L. reuteri Indonesian strain increased expression of human beta defensin-2 as antimicrobial peptide and may be useful in combating inflammation.","PeriodicalId":23477,"journal":{"name":"Tropical life sciences research","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354904/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40413418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

A Checklist of the Herpetofauna of Nusa Kambangan Island, Central Java, Indonesia. 印度尼西亚中爪哇岛努沙坎班甘岛爬虫动物群名录。

IF 1.4

Tropical life sciences research Pub Date : 2022-07-01 Epub Date: 2022-07-15 DOI: 10.21315/tlsr2022.33.2.6

Nia Kurniawan, Luhur Septiadi, Muhammad Fathoni, Ahmad Muammar Kadafi, Agung Pramana Warih Marhendra

引用次数: 1

The Identification of β-Ocimene Biosynthetic Pathway Through Mevalonate Acid (MVA) and 1-Deoxy-D-Xylulose 5-Phosphate (DXP) Pathways Using Crude Enzyme Extracts in Indonesian Bay Leaf/Salam Leaf (Syzygium polyanthum). 利用印尼月桂叶/沙拉姆叶粗酶提取物通过甲戊酸(MVA)和1-脱氧- d -木lulose 5-磷酸(DXP)途径鉴定β-辛烯生物合成途径

IF 1.4

Tropical life sciences research Pub Date : 2022-07-01 Epub Date: 2022-07-15 DOI: 10.21315/tlsr2022.33.2.1

Bima Putra Pratama, Yudi Pranoto, Supriyadi, Respati Tri Swasono

{"title":"The Identification of β-Ocimene Biosynthetic Pathway Through Mevalonate Acid (MVA) and 1-Deoxy-D-Xylulose 5-Phosphate (DXP) Pathways Using Crude Enzyme Extracts in Indonesian Bay Leaf/Salam Leaf (Syzygium polyanthum).","authors":"Bima Putra Pratama, Yudi Pranoto, Supriyadi, Respati Tri Swasono","doi":"10.21315/tlsr2022.33.2.1","DOIUrl":"https://doi.org/10.21315/tlsr2022.33.2.1","url":null,"abstract":"Salam leaf has a β-ocimene as a key volatile compound that gives a fresh aroma to the food when the salam leaves are involved in the cooking process. As a secondary metabolic product, enzymatic biosynthesis as the early stage of β-ocimene is a factor that needs to be known. Thus, this study was done to identify the mechanism of the two well-known terpenoid biosynthetic pathways, namely Mevalonate Acid (MVA) and 1-Deoxy-D-Xylulose 5-Phosphate (DXP) pathways, in the biosynthesis of β-ocimene in salam leaves. The activity of the 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGR)-MVA pathway-determining enzyme and 1-deoxy-D-xylulose-5-phosphate synthase (DXS)-DXP pathway-determining enzyme in the crude enzyme and their derivative products of salam leaves were analysed for their changes by differences of substrate ratios and enzyme inhibitors. The results showed that the activity of the HMGR enzyme was lower significantly than the DXS enzyme based on the addition of variations to the substrate ratio. These results were also supported by the enzyme and substrate reaction products, MVA and Isopentenyl diphosphate (IPP) intermediates from the MVA pathway, which were significantly lower when compared to DXP and IPP intermediates from the DXP pathway. As the end product of the reaction, β-ocimene gave a significantly higher value of the DXP pathway than the MVA pathway. Therefore, it can conclude that the mechanism of the biosynthetic pathway of β-ocimene in salam leaves was synthesised via the DXP pathway. The production of β-ocimene could have crosstalk-pathway through the MVA pathway, especially when the DXP pathway was blocked.","PeriodicalId":23477,"journal":{"name":"Tropical life sciences research","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354907/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40413415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

IF 1.4

Tropical life sciences research Pub Date : 2022-07-01 Epub Date: 2022-07-15 DOI: 10.21315/tlsr2022.33.2.4

Abdul Kader, Sankar Narayan Sinha

{"title":"Sex-related Differences of Excoecaria agallocha L. with a View to Defence and Growth.","authors":"Abdul Kader, Sankar Narayan Sinha","doi":"10.21315/tlsr2022.33.2.4","DOIUrl":"https://doi.org/10.21315/tlsr2022.33.2.4","url":null,"abstract":"Excoecaria agallocha is a dioecious mangrove species, reported to have various medicinal properties. This study compares the gender-related biological activities between the sexes of E. agallocha in accordance with morpho-biochemical parameters which indicate their fitness over various environmental stresses as well as some information about the investment of their resources over defence and growth. For this investigation, mature sun leaves of E. agallocha were collected from each sex from three different ecological regions like Bokkhali, Jharkhali, and Kolkata, West Bengal. The comparative study found that leaf of female plants yielded more compounds than males and also resulted in higher anti-bacterial, reducing power, total antioxidant, and lipid peroxidation activities. Female leaves also showed higher concentrations of biochemical constituents like chlorophyll a, chlorophyll b, total carotenoids, total phenolic compounds and total protein content than male leaves. However, leaf area of all-male leaves in all sites was found to be greater than female leaves. The differences in growth rate and secondary metabolite content-based defences between sexes suggest that females invest resources in defences or resistance (Relative electrolytic leakages and TBARS content), whereas male invests their resources in growth (Leaf area) or tolerance. The present study strongly suggests that the female plant's yields are more beneficial in terms of medicinal properties as compared to the male plant.","PeriodicalId":23477,"journal":{"name":"Tropical life sciences research","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354903/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40413416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Drought-Induced Changes in The Flowering Capacity, Anthesis Quality and Seed Set in Rice (Oryza sativa L.). 干旱对水稻(Oryza sativa L.)开花、开花品质和结实率的影响

IF 1.4

Tropical life sciences research Pub Date : 2022-07-01 Epub Date: 2022-07-15 DOI: 10.21315/tlsr2022.33.2.11

Mohd Syahmi Salleh, Mohd Shukor Nordin, Adam Puteh, Rozilawati Shahari, Zarina Zainuddin, Mohamad Bahagia Ab-Ghaffar, Noraziyah Abd Aziz Shamsudin

{"title":"Drought-Induced Changes in The Flowering Capacity, Anthesis Quality and Seed Set in Rice (Oryza sativa L.).","authors":"Mohd Syahmi Salleh, Mohd Shukor Nordin, Adam Puteh, Rozilawati Shahari, Zarina Zainuddin, Mohamad Bahagia Ab-Ghaffar, Noraziyah Abd Aziz Shamsudin","doi":"10.21315/tlsr2022.33.2.11","DOIUrl":"https://doi.org/10.21315/tlsr2022.33.2.11","url":null,"abstract":"Drought stress significantly reduces grain yield (GY) due to poor spikelet fertility and anthesis quality. Aim of this study was to understand the changes of flowering capacity, anthesis quality traits and seed set in the re-watered drought stressed modern high yielding drought susceptible rice cultivar, IR64 at heading (DSH) and booting (DSB) stages. The well-watered plants served as control of the experiment. Results obtained suggest that spikelet moisture content at above 80% was required to maintain optimum anthesis process in rice. Anthesis process in DSH plant was suspended when leaf relative water content (LRWC) dropped to below than 70%. Effects of drought stress on the spikelet moisture were irreversible as compared to the leaf rolling and LRWC. Hence, seed set was failed to occur at the upper rachis branches of the DSH plant. Anthesis process in the re-watered drought stress plants was resumed on the third day after re-watering with about 50% and 80% of anthers managed to dehisce in the DSH and DSB plants. Consequently, percentage of spikelet fertility and seed set in the DSH and DSB plants were increased towards the lower parts of the panicle. The GY, number of seeds, spikelet fertility, and harvest index however were significantly lower in the DSH plant (0.30 g, 13, 16.40% and 14.81) as compared to DSB plant (1.34 g, 57, 59.14% and 48.30), respectively. In addition, all interrelated traits involved in the flowering process of rice could be collectively termed as the anthesis quality traits due to their significant correlation with the grain yield and other yield components.","PeriodicalId":23477,"journal":{"name":"Tropical life sciences research","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354897/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40413421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Identification of Mollusc Remains (Bivalve and Gastropod) from Archaeological Sites in Semporna, Sabah. 沙巴州仙本那考古遗址中软体动物遗骸(双壳类和腹足类)的鉴定。

IF 1.4

Tropical life sciences research Pub Date : 2022-07-01 Epub Date: 2022-06-30 DOI: 10.21315/tlsr2022.33.2.10

Deejay Daxter A Albert, Velat Bujeng, Stephen Chia

{"title":"Identification of Mollusc Remains (Bivalve and Gastropod) from Archaeological Sites in Semporna, Sabah.","authors":"Deejay Daxter A Albert, Velat Bujeng, Stephen Chia","doi":"10.21315/tlsr2022.33.2.10","DOIUrl":"https://doi.org/10.21315/tlsr2022.33.2.10","url":null,"abstract":"This paper discusses the identification of mollusc (bivalve and gastropod) remains from three archaeological sites in Semporna, Sabah, namely Bukit Tengkorak, Melanta Tutup and Bukit Kamiri, dated to the prehistoric period, from 3,000 to 800 years ago. Samples of mollusc remains used in this study were obtained from a series of archaeological excavations conducted at these three sites by the Centre for Global Archaeological Research, Universiti Sains Malaysia (CGAR, USM), Penang in collaboration with the Sabah Museum Department (SMD) from 1994 to 2007. In total, 90 taxa of molluscan species, of which 30 are bivalves and 60 are gastropods, had been identified. Out of 90, there were 55 taxa identified to the species level, of which 18 are bivalves and 37 are gastropods. They consisted mainly of marine species with small numbers of freshwater, brackish and terrestrial species. This study had provided new data and insights into the distribution and exploitation of molluscs by ancient human societies in different environments in Semporna, which will be useful not only for malacological research in the tropics but also for future biological and environmental studies in Sabah, Malaysia as well as for the Southeast Asian and Pacific regions.","PeriodicalId":23477,"journal":{"name":"Tropical life sciences research","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354905/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40697869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Bioaccumulation and Health Risk Assessment of Trace Elements in Oreochromis niloticus in Bukit Merah Lake, Malaysia. 马来西亚武吉美拉湖尼罗褐鱼中微量元素的生物积累及健康风险评价

IF 1.4

Tropical life sciences research Pub Date : 2022-07-01 Epub Date: 2022-07-15 DOI: 10.21315/tlsr2022.33.2.9

Mohd Ilman Che Abdullah, Amir Shah Ruddin Md Shah, Hazzeman Haris

{"title":"Bioaccumulation and Health Risk Assessment of Trace Elements in Oreochromis niloticus in Bukit Merah Lake, Malaysia.","authors":"Mohd Ilman Che Abdullah, Amir Shah Ruddin Md Shah, Hazzeman Haris","doi":"10.21315/tlsr2022.33.2.9","DOIUrl":"https://doi.org/10.21315/tlsr2022.33.2.9","url":null,"abstract":"This study aims to determine the level of nine trace elements - As, Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn in liver, gill and muscle of Oreochromis niloticus in Bukit Merah Lake (BML). The concentration of trace elements was measured using Inductively Coupled Plasma-Optical Emission Spectrometers (ICP-OES). Cd and Ni were found below the detection level, while Cr was only detected in gill and muscle tissues. The Metal Pollution Index (MPI) established were liver > gill > muscle. The ranking order of trace elements in the gills was Fe > Zn > Mn > Pb > As > Cu > Cr. For the liver, the ranking order was Fe > Cu > Zn > As > Mn > Pb, while in the muscle, the ranking order was Fe > Zn > Pb > As > Cu > Mn > Cr. The estimated daily intake (EDI) for all the trace elements in this study was calculated based on 168 g.day-1 of Malaysians' fish consumption, indicating no potential risk. From the human health point of view, there was no significant non-carcinogenic risk of individual trace elements as evaluated by Target Hazard Quotient (THQ). As indicated by the Hazardous Index (HI), the cumulative effect of all trace elements also suggested no potential of non-carcinogenic risk. The carcinogenic risks assessed from Pb and As were also neglectable and there was no likelihood of getting cancer during one's life span.","PeriodicalId":23477,"journal":{"name":"Tropical life sciences research","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354902/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40413419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Gonad Quality of Banana Shrimp Male Broodstock Penaeus merguiensis (De Man, 1888) Fed Different Natural Diets. 饲喂不同天然饲料对香蕉对虾雄亲鱼(De Man, 1888)性腺质量的影响。

IF 1.4

Tropical life sciences research Pub Date : 2022-07-01 Epub Date: 2022-07-15 DOI: 10.21315/tlsr2022.33.2.2

Nurul Amirah Matmor, Hidayah Manan, Nor Azman Kasan, Mohamad Jalilah, Adnan Amin-Safwan, Mhd Ikhwanuddin

{"title":"Gonad Quality of Banana Shrimp Male Broodstock Penaeus merguiensis (De Man, 1888) Fed Different Natural Diets.","authors":"Nurul Amirah Matmor, Hidayah Manan, Nor Azman Kasan, Mohamad Jalilah, Adnan Amin-Safwan, Mhd Ikhwanuddin","doi":"10.21315/tlsr2022.33.2.2","DOIUrl":"https://doi.org/10.21315/tlsr2022.33.2.2","url":null,"abstract":"A study was carried out to determine the maturation period, quality and quantity of sperms production in Banana shrimp male broodstock, Penaeus merguiensis fed different natural diets. The three different natural diets namely; squid, fish and shrimp flesh used in this study were obtained from known sources and fed to the tested shrimp in triplicate groups. Based on the results obtained, squid seem to be the most effective natural diet as it enhances the sperms maturation within 20 days. Feeding fish and shrimp flesh as diets for the Banana shrimp broodstock resulted in the observation of maturation in 22 and 24 days, respectively. Similarly, squid diet also recorded the highest (p = 0.002; p < 0.05) sperms count (58.6 to 74.5) as compared to fish diet (44.0 to 61.3) or shrimp diet (28.0 to 42.8). Also, feeding squid diet resulted in a higher percentage of live sperms with ranged between 97.75% to 98.80%. On the other hand, broodstocks fed fish and squid flesh was observed with ranges of between 96% to 97.86% and 92.54% to 96.06%, respectively. It was therefore concluded that squid diet was most effective to improve sperm quality, quantity and maturation period in male broodstock of P. merguiensis. Further study should be carried on the reproductive performance of broodstock fed with squid as diets and it effect on the performances of post larvae obtained.","PeriodicalId":23477,"journal":{"name":"Tropical life sciences research","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354901/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40697872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR) Spectroscopy Coupled with Principal Component Analysis and Polymerase Chain Reaction (PCR) Assay for the Detection of Porcine and Bovine Gelatins in Dental Materials. 衰减全反射-傅里叶变换红外(ATR-FTIR)光谱结合主成分分析和聚合酶链反应(PCR)检测牙科材料中猪和牛明胶。

IF 1.4

Tropical life sciences research Pub Date : 2022-07-01 Epub Date: 2022-07-15 DOI: 10.21315/tlsr2022.33.2.7

Nining Irfanita, Widya Lestari, Mohamed Elwathig Saeed Mirghani, Irwandi Jaswir, Fitri Octavianti, Muhammad Salahuddin Haris

{"title":"Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR) Spectroscopy Coupled with Principal Component Analysis and Polymerase Chain Reaction (PCR) Assay for the Detection of Porcine and Bovine Gelatins in Dental Materials.","authors":"Nining Irfanita, Widya Lestari, Mohamed Elwathig Saeed Mirghani, Irwandi Jaswir, Fitri Octavianti, Muhammad Salahuddin Haris","doi":"10.21315/tlsr2022.33.2.7","DOIUrl":"https://doi.org/10.21315/tlsr2022.33.2.7","url":null,"abstract":"Muslims are prohibited from consuming products that contain pig products and their derivatives, including porcine gelatin. Medical and dental products are not exempt from the use of gelatin in their formulation. This study employs attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) coupled with principal component analysis (PCA) to detect and distinguish between porcine and bovine gelatins in dental materials. The results were further verified by polymerase chain reaction (PCR) assay. Species-specific primers targeting the 212 bp porcine cytochrome b and 271 bp bovine cytochrome b genes were used to amplify DNA in nine dental material samples. Detection and distinction of gelatin standards (bovine and porcine) against gelatin present in the dental materials was achieved using ATR-FTIR combined with PCA within wavenumber 1756 cm-1-1584 cm-1 (Amide I and Amide II). The detection limit for DNA was 0.001 ng/μL and 0.0001 ng/μL for bovine and porcine gelatins, respectively. Using PCR, one sample, BDM 01, was found to contain both porcine and bovine DNA, while one sample (BDM 14) was found to be positive for bovine DNA. The findings suggest that ATR-FTIR combined with PCA and conventional PCR are applicable for the identification of porcine and bovine gelatin in dental materials.","PeriodicalId":23477,"journal":{"name":"Tropical life sciences research","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9354898/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40413420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Effect of Feeding Rate on Growth Performance and Waste Reduction Efficiency of Black Soldier Fly Larvae (Diptera: Stratiomyidae). 喂养率对黑兵蝇幼虫（双翅目：Stratiomyidae）生长性能和废物减量效率的影响。

IF 1.1

Tropical life sciences research Pub Date : 2022-03-01 Epub Date: 2022-03-31 DOI: 10.21315/tlsr2022.33.1.11

Moo Chee Yuan, Hadura Abu Hasan

{"title":"Effect of Feeding Rate on Growth Performance and Waste Reduction Efficiency of Black Soldier Fly Larvae (Diptera: Stratiomyidae).","authors":"Moo Chee Yuan, Hadura Abu Hasan","doi":"10.21315/tlsr2022.33.1.11","DOIUrl":"https://doi.org/10.21315/tlsr2022.33.1.11","url":null,"abstract":"Malaysia like many other developing countries is facing the challenge of poor waste management. This research was conducted to determine the effect of black soldier fly (BSF) larvae in decomposing food waste, palm oil waste, fish waste and yard waste. The development time and waste reduction efficiency of four different organic materials were evaluated. In this study, BSF larvae were fed with all four types of waste at five feeding rates of 0.25, 0.50, 1.00, 1.50 and 2.00 g larva-1 day-1 with three replicates per feeding rate until the larvae reached the pre-pupae stage. During the study, larval development time, larval mortality, pre-pupae weight and waste reduction indexes (WRI) were determined. Food waste and yard waste achieved the highest WRI of 4.43 ± 0.06 and 0.71 ± 0.01, respectively at the feeding rate of 0.50 g larva-1 day-1 while palm oil waste and fish waste attained the highest WRI values at feeding rates of 1.00 g larva-1 day-1 (1.89 ± 0.02) and 0.25 g larva-1 day-1 (3.75 ± 0.24), respectively. The results showed that both variables significantly influenced the bioconversion process, but waste reduction efficiency was the most influential element.","PeriodicalId":23477,"journal":{"name":"Tropical life sciences research","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9128650/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142078292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0